CN215872272U - Interlocking device and motor controller - Google Patents
Interlocking device and motor controller Download PDFInfo
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- CN215872272U CN215872272U CN202122324815.3U CN202122324815U CN215872272U CN 215872272 U CN215872272 U CN 215872272U CN 202122324815 U CN202122324815 U CN 202122324815U CN 215872272 U CN215872272 U CN 215872272U
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Abstract
The utility model discloses an interlocking device and a motor controller. The interlock device includes a contact assembly, an interlock assembly, and a guard assembly. Control among the interlocking subassembly includes connector and the control panel of mutual electric connection, the control panel is connected with the interlocking switch electricity of interlocking subassembly, the control panel is installed in the protective housing, the interlocking switch is just to the first through-hole that forms on the protective housing, when the apron is closed, the lug that sets up on the apron passes first through-hole, contact with the interlocking switch that is located the protective housing, the control panel detects the voltage of interlocking switch department and then shows the apron closed when being 0, the security of follow-up operation has been improved, through installing the interlocking switch in the protective housing, operating personnel when carrying out the operation has effectively been avoided, because touch the interlocking switch, and the phenomenon that leads to the interlocking switch to warp and damage even takes place.
Description
Technical Field
The utility model relates to the field of cover opening interlocking, in particular to an interlocking device and a motor controller.
Background
The uncovering interlocking PCB assembly of the motor controller is an important part for improving the reliability of the uncovering electric shock protection function. Whether the cover plate on the motor controller is closed or not is detected by the motor controller through the interlocking switch, so that the safety of the motor controller is improved, the installation structure of the motor controller uncovering interlocking PCB assembly in the market is in an exposed mode, and the exposed installation structure is easy to collide with the interlocking switch when an operator installs and removes three groups of windings of a three-phase motor of the motor controller or a high-voltage wiring harness terminal bolt, so that the interlocking switch is damaged.
In view of the above, it is desirable to provide an interlock device and a motor controller, which solve or at least alleviate the above technical drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an interlocking device and a motor controller, and aims to solve the problem that an interlocking switch is damaged because an operator easily collides with the interlocking switch when disassembling and assembling parts in the prior art.
In order to achieve the above object, the present invention provides an interlock device comprising:
a contact assembly including a tab mounted on the cover plate;
an interlock assembly including an interlock switch and a control member, the control member including a connector and a control board electrically connected to each other, the interlock switch being electrically connected to the control board;
the protection assembly comprises a protection shell, a first through hole is formed in the inner wall of the protection shell, the control panel is installed in the protection shell, the interlocking switch is right aligned to the first through hole, so that the interlocking switch passes through the first through hole and the protruding block is in contact with the cover plate when the cover plate is closed, and the cover plate is used for detecting whether the cover plate is closed or not.
Preferably, the inner wall of the protective housing is formed with a first boss, the first boss and the first through hole are located on the same inner wall of the protective housing, and the control panel is installed on the first boss through threaded connection.
Preferably, the first boss is formed with an installation groove, and the control plate is screw-coupled with the installation groove by a tapping screw.
Preferably, the inner wall of protective housing is formed with the second boss, the second boss with first boss interval sets up on the same inner wall of protective housing, the second boss deviates from the terminal surface of the inner wall of protective housing is formed with the reference column, be formed with first locating hole on the control panel, the reference column with first locating hole cooperatees.
Preferably, the lateral wall of protective housing is formed with the setting element, the protection component still includes the pressure limiting sleeve, be formed with the second locating hole on the setting element, install in the second locating hole the pressure limiting sleeve.
Preferably, an annular positioning boss is formed on the end face of the positioning piece, which deviates from the plane where the first through hole is located, and the annular positioning boss and the second positioning hole are concentrically arranged.
Preferably, a reinforcing rib is formed at the joint of the positioning piece and the protective shell.
Preferably, the lateral wall of protective housing is formed with the fixed buckle of pencil, the terminal surface of the fixed buckle of pencil is formed with the second through-hole, the fixed buckle of pencil deviates from the lateral wall of protective housing is formed with the opening, the opening with the second through-hole intercommunication.
Preferably, the protective shell is a plastic protective shell.
In addition, the utility model also provides a motor controller, which comprises a cover plate, a connecting port and the interlocking device, wherein the connector is connected with the connecting port.
In the above technical solution of the present invention, the interlock device includes a contact assembly, an interlock assembly, and a guard assembly. The control piece in the interlocking assembly comprises a connector and a control panel which are electrically connected with each other, the control panel is electrically connected with an interlocking switch of the interlocking assembly, the control panel is installed in the protective shell, the interlocking switch is just opposite to a first through hole formed on the protective shell, when the cover plate is closed, a lug arranged on the cover plate penetrates through the first through hole and is in contact with the interlocking switch positioned in the protective shell, the control panel detects whether the voltage at the interlocking switch is 0 or not, if the voltage is 0, the cover plate is closed, when the cover plate is opened, the lug on the cover plate is separated from the interlocking switch, and the control panel detects that the voltage at the interlocking switch is not 0, so that whether the cover plate is closed or not is judged by detecting the voltage at the interlocking switch, the operation safety is improved, and by installing the interlocking switch in the protective shell, the situation that the interlocking switch is deformed or even damaged due to the fact that an operator touches the interlocking switch when working is effectively avoided, and then whether the case lid is closed or not can not be accurately identified through the voltage at the interlocking switch, and finally safety accidents are caused.
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 it is also possible for those skilled in the art to obtain other drawings in the structures shown in the drawings without inventive effort.
FIG. 1 is an exploded view of an interlock device according to one embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an interlock device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;
FIG. 4 is a schematic structural diagram of an interlock device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a contact assembly according to an embodiment of the utility model.
The reference numbers illustrate:
| 10 | |
20 | |
| 210 | |
30 | |
| 310 | |
320 | |
| 321 | Connector with a |
322 | Control panel |
| 323 | A |
324 | Connecting |
| 40 | |
410 | |
| 411 | First through |
412 | |
| 413 | |
414 | Self- |
| 415 | |
416 | |
| 417 | Locating |
418 | |
| 419 | |
420 | Wire |
| 421 | Second through |
422 | Opening of the |
| 430 | |
440 | Reinforcing |
| 50 | |
60 | |
| 70 | Support rib |
The implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" can include at least one of the feature either explicitly or implicitly.
Moreover, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The present invention provides an interlock device 10, as shown in fig. 1-2 and 5, the interlock device 10 includes a contact assembly 20, an interlock assembly 30 and a guard assembly 40. The contact assembly 20 includes a bump 210, the bump 210 being mounted on the cap plate 60; the interlock assembly 30 includes an interlock switch 310 and a control member 320, the control member 320 includes a connector 321 and a control board 322 electrically connected to each other, the interlock switch 310 is electrically connected to the control board 322; the protection assembly 40 comprises a protective shell 410, a first through hole 411 is formed in the inner wall of the protective shell 410, the control board 322 is installed in the protective shell 410, and the interlock switch 310 faces the first through hole 411, so that the interlock switch 310 contacts with the projection 210 when the cover plate 60 is closed through the first through hole 411 to detect whether the cover plate 60 is closed.
It should be noted that the interlock device 10 is particularly suitable for use as an interlock device 10 for a motor controller, but is not limited to use as an interlock device 10 for a motor controller, and other devices may be used with the interlock device 10 provided by the present invention, which also falls within the protection scope of the present invention.
When the cover 60 is closed, the bump 210 disposed on the cover 60 passes through the first through hole 411 and contacts with the interlock switch 310 located in the protective case 410, the control board 322 detects whether the voltage at the interlock switch 310 is 0, if so, it indicates that the current on the interlock switch 310 is transmitted to the cover 60 through the bump 210, and then is grounded by the cover 60, so when the cover 60 is closed, it detects that the voltage at the interlock switch 310 is 0; when the cover plate 60 is opened, the bump 210 on the cover plate 60 is separated from the interlock switch 310, and the voltage at the position where the control board 322 detects the interlock switch 310 is not 0, therefore, whether the cover plate 60 is closed or not is judged by detecting the voltage at the position where the interlock switch 310 is located, thereby improving the safety of the operation after the cover plate 60 needs to be covered, and by installing the interlock switch 310 in the protective shell 410, the situation that an operator is working because the interlock switch 310 is touched, and the interlock switch 310 is deformed or even damaged, thereby causing that whether the box cover is closed or not can not be accurately identified by the voltage at the position where the interlock switch 310 is located, and finally causing the occurrence of safety accidents. According to an embodiment of the present invention, the third boss 50 is convexly formed on the protective housing 410, the inner wall of the third boss 50 is formed with the first through hole 411, after the interlocking device 10 is installed on the motor controller, since a plurality of binding posts (not shown) with different heights are distributed around the protective housing 410, when a baffle (not shown) needs to be additionally installed above the protective housing 410, if the height of the binding post is higher than the height of the protective housing 410, the distance between the interlocking switch 310 installed in the protective housing 410 and the baffle is relatively long, if the height of the protective housing 410 is not enough, the interlocking switch 310 cannot be matched with the boss 210 on the cover plate 60 located above the baffle, and further whether the cover plate 60 is closed cannot be identified, so that the third boss 50 needs to be formed on the protective housing 410, thereby ensuring that even if the baffle is additionally installed on the motor controller, the matching of the interlocking switch 310 and the boss 210 can be realized by adjusting the height of the third boss 50 to identify whether the cover plate 60 is closed, increasing the range of applicability of the interlock device 10.
Further, a first boss 412 is formed on the inner wall of the protective shell 410, the first boss 412 and the first through hole 411 are located on the same inner wall of the protective shell 410, and the control board 322 is installed on the first boss 412 through a threaded connection. Install control panel 322 on first boss 412 through threaded connection, on the one hand make control panel 322 fix on first boss 412, avoided control panel 322 to lead to interlocking switch 310 to collide with protective housing 410 or other accessories because of lacking fixedly, and then the phenomenon that leads to interlocking switch 310 to damage takes place, on the other hand, because threaded connection is for dismantling the connection, make control panel 322 change control panel 322 alone if the trouble appears, the phenomenon that the expense that has avoided whole change to lead to rises takes place, the maintenance expense in later stage has been reduced. According to an embodiment of the present invention, the side wall of the first boss 412 is connected to the inner wall of the protective case 410, so that the stability of the first boss 412 is improved, and the control plate 322 screwed with the first boss 412 can be more stably installed in the protective case 410.
Further, the first boss 412 is formed with an installation groove 413, and the control plate 322 is screwed with the installation groove 413 by a tapping screw 414. Adopt self-tapping screw 414 to cooperate with mounting groove 413, make control panel 322 pass through threaded connection with first boss 412, because the whorl of self-tapping screw 414 is the self-tapping type, make the self-tapping effect, do not need to cooperate the nut to use, therefore manufacturing cost has been reduced, and self-tapping screw 414 makes in the screw-in mounting groove 413, self-tapping screw 414 forcefully extrudes complex box in mounting groove 413, and the material on the box position originally will be crowded between the pin of self-tapping screw 414, consequently, need not process the internal thread with self-tapping screw 414 threaded connection matched with mounting groove 413, processing technology has been reduced, the processing flow has been simplified, processing cost has been practiced thrift.
In addition, a second boss 415 is formed on the inner wall of the protective shell 410, the second boss 415 and the first boss 412 are arranged on the same inner wall of the protective shell 410 at intervals, a positioning column 416 is formed on the end face, away from the inner wall of the protective shell 410, of the second boss 415, a first positioning hole 323 is formed on the control plate 322, and the positioning column 416 is matched with the first positioning hole 323. Through the cooperation of reference column 416 and first locating hole 323, on the one hand reference column 416 has played the effect of direction for control panel 322 can remove to preset position along the extending direction of reference column 416, and on the other hand, reference column 416 has played pre-positioning's effect, makes control panel 322 fix a position in the installation more easily through the pre-positioning of reference column 416, and the installation of control panel 322 of being convenient for has reduced the installation time of control panel 322, has improved production efficiency. According to an embodiment of the present invention, the heights of the first boss 412 and the second boss 415 are the same, and after the positioning post 416 passes through the first positioning hole 323 on the control board 322 to pre-position the control board 322, the control board 322 can be installed by rotating around the positioning post 416 to a position corresponding to the first boss 412, so that the installation process is simpler.
As shown in fig. 3, a positioning member 417 is formed on an outer sidewall of the protective shell 410, the protective assembly 40 further includes a pressure limiting sleeve 430, a second positioning hole 418 is formed on the positioning member 417, and the pressure limiting sleeve 430 is installed in the second positioning hole 418. When the protective shell 410 is fixed by the screws penetrating through the pressure limiting sleeve 430 by additionally installing the pressure limiting sleeve 430 in the second positioning hole 418, the pressure limiting sleeve 430 can avoid the phenomenon that the torque of the screws is loose, and meanwhile, the phenomenon that the protective shell 410 is installed insecurely is avoided. According to an embodiment of the present invention, the number of the positioning members 417 is plural, and the plurality of positioning members 417 are disposed on the outer sidewall of the protective case 410 at intervals, so that the stability of the protective case 410 after being fixed can be improved by positioning the plurality of positioning members 417.
An annular positioning boss 419 is formed on an end surface of the positioning member 417 facing away from the bottom surface of the groove, and the annular positioning boss 419 and the second positioning hole 418 are concentrically arranged. Through the arrangement of the annular positioning boss 419, the hole matched with the second positioning hole 418 can be quickly positioned, the hole matched with the second positioning hole 418 and the second positioning hole 418 are concentrically arranged, so that the outer wall of the hole matched with the second positioning hole 418 and the second positioning hole 418 are also concentrically arranged, when the protective shell 410 is fixedly installed through the second positioning hole 418, the outer wall of the hole matched with the second positioning hole 418 is abutted to the annular positioning boss 419, the pre-positioning of the second positioning hole 418 and the hole matched with the second positioning hole 418 is realized, the positioning time of the second positioning hole 418 is saved, the installation time of the protective shell 410 is reduced, and the installation efficiency of the interlocking device 10 is improved. According to an embodiment of the present invention, the second positioning hole 418 is matched with an internal threaded column (not shown), the second positioning hole 418 corresponds to the internal threaded hole of the internal threaded column, and abuts against the outer wall of the internal threaded column through the annular positioning boss 419, because the outer wall of the internal threaded column and the internal threaded hole of the internal threaded column are concentrically arranged, the annular positioning boss 419 and the second positioning hole 418 are concentrically arranged, and because the internal threaded hole of the internal threaded column and the second positioning hole 418 are connected by a screw, the internal threaded hole of the internal threaded column and the second positioning hole 418 are also concentrically arranged, the annular positioning boss 419 and the outer wall of the internal threaded column are concentrically arranged, and through the abutment of the annular positioning boss 419 and the outer wall of the internal threaded column, the concentric positioning of the second positioning hole 418 and the internal threaded hole of the internal threaded column can be rapidly realized, the subsequent installation of the protective housing 410 is facilitated, and the installation time of the interlock device 10 is reduced, the efficiency of installation of the interlock device 10 is improved.
In addition, the lateral wall of protective housing 410 is formed with the fixed buckle 420 of pencil, and the terminal surface of the fixed buckle 420 of pencil is formed with second through-hole 421, and the fixed buckle 420 of pencil deviates from the lateral wall of protective housing 410 is formed with opening 422, and opening 422 communicates with second through-hole 421. According to an embodiment of the present invention, the control member 320 further includes a connecting wire 324, the control board 322 and the connector 321 are electrically connected by the connecting wire 324, and the connecting wire 324 enters the second through hole 421 of the wire harness fixing buckle 420 through the opening 422 of the sidewall of the wire harness fixing buckle 420 to prevent the connecting wire 324 from contacting other movable parts, which may cause a safety hazard due to the fact that the outer skin insulation layer of the connecting wire 324 is scratched, or cause the interlock switch 310 to fail to work due to the fact that the connecting wire 324 is broken by the movable parts.
As shown in fig. 4, the protective case 410 is a plastic protective case 410. The plastic protective shell 410 is made of a soft material, so that the tapping screw 414 can be conveniently screwed into the mounting groove 413, according to an embodiment of the present invention, the plastic protective shell 410 is made of a polybutylene terephthalate (PBT) GF (glass fiber) 30 material, the PBT GF30 is 30% glass fiber, and the polybutylene terephthalate is a milky translucent to opaque semi-crystalline thermoplastic polyester, and has high heat resistance. The PBT-GF30 has the advantages of no strong acid and strong alkali resistance, organic solvent resistance, flammability resistance, high-temperature decomposition resistance, low water absorption rate and good strength, and is suitable for the installation of electronic components.
As shown in fig. 1, a reinforcing rib 440 is formed at a connection portion of the positioning member 417 and the protective case 410. The reinforcing ribs 440 formed at the joints of the positioning members 417 and the protective shell 410 are used for reinforcing the connection strength between the protective shell 410 and the positioning members 417, so that even if the protective shell 410 is subjected to impact or continuous action of a large force, the occurrence of fracture at the joints between the protective shell 410 and the positioning members 417 can be reduced through the reinforcing ribs 440 at the joints between the protective shell 410 and the positioning members 417, and the occurrence of the phenomenon that the interlocking switch 310 is easily damaged due to the fact that the joints between the protective shell 410 and the positioning members 417 are broken is reduced, and the interlocking switch 310 is easily damaged. According to an embodiment of the present invention, the inner wall of the protection shell 410 is further provided with a support rib 70, two ends of the support rib 70 are respectively connected to two inner walls of the protection shell 410 opposite to each other, so as to support the protection shell 410, when the protection shell 410 is subjected to an external force, the protection shell 410 is easy to deform because the protection shell is made of a plastic material, the support rib 70 supports the protection shell 410 by abutting against two side walls of the protection shell 410 opposite to each other, so as to effectively reduce the deformation degree of the protection shell 410 under the external force, and thus protect a part in the protection shell 410 from being damaged due to collision with other parts caused by excessive deformation of the protection shell 410.
In addition, the present invention also provides a motor controller (not shown), as shown in fig. 5, the motor controller includes a connection port (not shown) and the interlock device 10, and the connector 321 is connected to the connection port. Since the motor controller adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An interlock device, comprising:
a contact assembly including a tab mounted on the cover plate;
an interlock assembly including an interlock switch and a control member, the control member including a connector and a control board electrically connected to each other, the interlock switch being electrically connected to the control board;
the protection assembly comprises a protection shell, a first through hole is formed in the inner wall of the protection shell, the control panel is installed in the protection shell, the interlocking switch is right aligned to the first through hole, so that the interlocking switch passes through the first through hole and the protruding block is in contact with the cover plate when the cover plate is closed, and the cover plate is used for detecting whether the cover plate is closed or not.
2. The interlock device of claim 1 wherein said inner wall of said protective housing defines a first boss, said first boss being located on the same inner wall of said protective housing as said first through hole, said control plate being threadably mounted on said first boss.
3. The interlock of claim 2 wherein said first boss is formed with an attachment slot and said control plate is threadably attached to said attachment slot by a self-tapping screw.
4. The interlocking device as claimed in claim 2, wherein a second boss is formed on the inner wall of the protective shell, the second boss and the first boss are arranged on the same inner wall of the protective shell at intervals, a positioning column is formed on the end face, away from the inner wall of the protective shell, of the second boss, a first positioning hole is formed on the control plate, and the positioning column is matched with the first positioning hole.
5. The interlock device of claim 1 wherein a positioning member is formed on an outer sidewall of the protective housing, the protective assembly further comprises a pressure limiting sleeve, a second positioning hole is formed on the positioning member, and the pressure limiting sleeve is mounted in the second positioning hole.
6. The interlocking device according to claim 5, wherein an annular positioning boss is formed on an end surface of the positioning member facing away from a plane in which the first through hole is located, and the annular positioning boss and the second positioning hole are concentrically arranged.
7. The interlock of claim 5 wherein said retainer is formed with a reinforcement at the junction with said protective shell.
8. The interlocking device according to any one of claims 1 to 7, wherein a wire harness fixing buckle is formed on a side wall of the protective shell, a second through hole is formed on an end face of the wire harness fixing buckle, an opening is formed on a side wall of the wire harness fixing buckle, which faces away from the protective shell, and the opening is communicated with the second through hole.
9. An interlock device as claimed in any one of claims 1 to 7 wherein said protective casing is a plastic protective casing.
10. A motor controller comprising a cover plate, a connection port and an interlock device according to any one of claims 1 to 9, wherein the connector is connected to the connection port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122324815.3U CN215872272U (en) | 2021-09-24 | 2021-09-24 | Interlocking device and motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122324815.3U CN215872272U (en) | 2021-09-24 | 2021-09-24 | Interlocking device and motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215872272U true CN215872272U (en) | 2022-02-18 |
Family
ID=80256228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122324815.3U Active CN215872272U (en) | 2021-09-24 | 2021-09-24 | Interlocking device and motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215872272U (en) |
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2021
- 2021-09-24 CN CN202122324815.3U patent/CN215872272U/en active Active
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