CN209643266U - Inhibit the electromechanical equipment of electromagnetic interference - Google Patents
Inhibit the electromechanical equipment of electromagnetic interference Download PDFInfo
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- CN209643266U CN209643266U CN201822027283.5U CN201822027283U CN209643266U CN 209643266 U CN209643266 U CN 209643266U CN 201822027283 U CN201822027283 U CN 201822027283U CN 209643266 U CN209643266 U CN 209643266U
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- cabinet
- pedestal
- grounding path
- connects
- drive system
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Abstract
The electromechanical equipment of the inhibition electromagnetic interference of the utility model includes junction line group, mechanical device, electric control gear and earthed system.Junction line group connects mechanical device and electric control gear.Electric control gear includes cabinet and the drive system that is located in cabinet.The motor of drive system connection mechanical device.Earthed system includes the first grounding path, the second grounding path, third grounding path, pedestal and ground terminal.First grounding path connects mechanical device and ground terminal.Second grounding path connects cabinet and ground terminal.Third grounding path connects pedestal and ground terminal.Pedestal connects cabinet, and position is in cabinet.Ground terminal position is outside cabinet.Wherein, drive system is fixedly connected with pedestal, and the ground line of drive system connects pedestal.The impedance that third grounding path, pedestal and ground terminal are formed is less than pedestal and cabinet connects the impedance to be formed.
Description
Technical field
The utility model is related with electromechanical equipment, particularly relate to it is a kind of by earthed system inhibit electromagnetic interference electromechanics set
It is standby.
Background technique
Electromagnetic interference includes conduction and radiates along with electromagnet phenomenon caused by current or voltage, and electromagnet phenomenon may
So that the performance of electromechanical equipment is affected, may also can generate adverse effect to people certainly.The interference source of electromagnetic interference is usually
External power supply system, environment or electromechanical equipment itself, electromechanical equipment itself include motor, electric control gear, driving circuit etc..
In order to avoid electromechanical equipment be interfered source influence, currently, electromechanical equipment is usually inhibited by various filters
Interference source, but the power supply of each money electromechanical equipment, control system, drive system or motor selection are different from, and therefore, filter is past
It is past general to be used for each money electromechanical equipment, and need to redesign one by one, it is thus desirable to expend more time, and filter is past
Toward biggish space can be occupied, the increased costs of filter material are more caused.
It is above-mentioned to formulate Retraining Measures both for possible problematic part it is found that solving electromagnetic interference problem at present, and
It is not that more comprehensively planning is provided for whole system, therefore, there can not be the solution of intercommunity for not homologous ray.
Utility model content
It in view of the above-mentioned deficiency, will the purpose of this utility model is that providing good earthed system to electromechanical equipment
Most of interference source is transmitted to ground terminal, and the interference source that can avoid in electromechanical equipment influences each other.Earthed system is applicable to
Different electromechanical equipment, to inhibit electromagnetic interference.
In order to achieve the above objectives, the electromechanical equipment of the inhibition electromagnetic interference of the utility model includes junction line group, machinery
Device, electric control gear and earthed system.Junction line group connects mechanical device and electric control gear.Mechanical device includes motor.It is automatically controlled
Device includes cabinet and the power system being located in cabinet, control system and drive system.Power system connection control
System and drive system processed.Drive system connects motor.Earthed system includes the first grounding path, the second grounding path, third
Grounding path, pedestal and ground terminal.First grounding path connects mechanical device and ground terminal.Second grounding path connect cabinet and
Ground terminal.Third grounding path connects pedestal and ground terminal.Pedestal connects cabinet, and position is in cabinet.Ground terminal position is in cabinet
Outside.Wherein, drive system is fixedly connected with pedestal, and the ground line of drive system connects pedestal.Third grounding path, pedestal and ground connection
The impedance that end is formed is less than pedestal and cabinet connects the impedance to be formed.
In this way, the electromechanical equipment of the inhibition electromagnetic interference of the utility model efficiently can be set electromechanics by earthed system
Standby three upper major electromagnetic interference sources are transmitted to ground terminal by grounding path, influence each system to avoid interference source.Furthermore
Pedestal can be effectively isolated the interference source of motor and drive system, and interference source is avoided to flee hither and thither.Therefore, earthed system can lead to
For to reduce design cost and time, handing over the phase to shorten product in electromechanical equipment.
The detailed configuration of electromechanical equipment in relation to inhibition electromagnetic interference provided by the utility model, assembles or makes feature
With mode, will be described by the detailed description of subsequent embodiment.However, should be able to understand in those skilled in the art, institute
State detailed description and implement the utility model cited by specific embodiment, be merely to illustrate the utility model, not to
Limit the patent claim of the utility model.
Detailed description of the invention
Fig. 1 is the schematic diagram of the electromechanical equipment of the inhibition electromagnetic interference of the utility model.
Fig. 2 is the composition schematic diagram of the electromechanical equipment of the inhibition electromagnetic interference of the utility model in Fig. 1.
Fig. 3 is the schematic cross-section that the first grounding path uses multiplexing of transmission wire rod in Fig. 2.
Fig. 4-Fig. 7 is the schematic diagram of each embodiment of pedestal in Fig. 2.
Fig. 8 is the test result for the earthed system that the actually detected motor device of spectrum analyzer does not apply the utility model
Figure.
Fig. 9 is the test result figure of the earthed system of the actually detected motor device application the utility model of spectrum analyzer.
[symbol description]
10 inhibit 11 mechanical device of electromechanical equipment of electromagnetic interference
111 motor, 13 electric control gear
131 cabinet, 133 power system
1331 filter, 1333 power supply unit
135 control system, 137 drive system
1371 driver, 15 junction line group
17 earthed system, 171 first grounding path
1711 insulating layers 1713,1715 conducting wires
173 second grounding path, 175 third grounding path
177 pedestal, 1771 plummer
1773,1775 support leg, 17733 hollow ring
17751 1777 soles of opening
17771 179 ground terminals of perforation
Specific embodiment
Hereinafter, each attached drawing is now cooperated to enumerate the machine of the inhibition electromagnetic interference that corresponding preferred embodiment comes to the utility model
The composition component of electric equipment and reach effect to explain.Inhibit component, the ruler of the electromechanical equipment of electromagnetic interference in right each attached drawing
Very little and appearance is only used to illustrate the technical characteristics of the utility model, rather than is construed as limiting to the utility model.
As shown in Figures 1 and 2, the electromechanical equipment 10 of the inhibition electromagnetic interference of the utility model includes mechanical device 11, electricity
Control device 13, junction line group 15 and earthed system 17.Junction line group 15 connects mechanical device 11 and electric control gear 13.
Mechanical device 11 can be mechanical arm, multiaxis running machinery and linear operation machinery etc., therefore, mechanical device
11 include six motors 111 or other driving elements, carries out various movements with drive mechanism 11.The quantity of motor 111 can
To be one or more.
Electric control gear 13 controls signal to the motor 111 of mechanical device 11, so that mechanical fill by the transmission of junction line group 15
Set the 11 control signal execution respective actions according to electric control gear 13.In addition, electric control gear 13 can also pass through junction line group 15
The feedback signal of mechanical device 11 is received, with amendment, judgement or record respective action.
Electric control gear 13 includes cabinet 131, power system 133, control system 135 and drive system 137.Cabinet
131 can be closed, fractional open structure.
Power system 133 and control system 135 are separately connected cabinet 131, and position is in cabinet 131.Power supply supply
System 133 connects control system 135 and drive system 137, and including filter 1331 and power supply unit 1333.Filter
1331 connection alternating current input power supplyings and power supply unit 1333, to filter the power supply noise of alternating current input power supplying.Power supply unit
1333 supply electricity to control system 135 and drive system 137.Control system 135 is to control drive system 137.
Drive system 137 connects each motor 111, and operates to drive motor 111.The drive system 137 of the present embodiment
There are six driver 1371, six drivers 1371, six motors 111 of one-to-one connection, to control motor 111.Other
In embodiment, the quantity of driver 1371 and motor 111 can be more or less.
Earthed system 17 includes the first grounding path 171, the second grounding path 173, third grounding path 175, pedestal 177
And ground terminal 179.The connection type of the earthed system 17 of the present embodiment be by metal screws, in other embodiments, connection side
Formula can also be welding, riveting or by way of other can be electrically connected.
First grounding path 171 connects mechanical device 11 and ground terminal 179.In the present embodiment, the first grounding path 171 is
By multiplexing of transmission wire rod (as shown in Figure 3), multiplexing of transmission wire rod indicates a plurality of conducting wire 1713,1715 by 1711 institute of insulating layer
Cladding, and be insulation each other, conducting wire 1713,1715 is the wire rod for selecting 14-25AWG specification.
In order to avoid interference source by conducting wire to external radiation, first grounding path 171 of the present embodiment a plurality of is led from this
One of them is selected in line, shielded layer is preferably formed with around selected conducting wire 1713, and position is shielded in outer layer to pass through
The interference of interference source is isolated in layer, and shielded layer is made up of the conducting wire 1715 around conducting wire 1713 in embodiment.Other are implemented
Example in, shielded layer can by metal wire weave, sheet metal cladding or by peripheral guidewires around etc. modes formed or be coated on by
It selects around conducting wire.
It please continue referring to Fig. 2, the second grounding path 173 connects the cabinet 131 and ground terminal 179 of electric control gear 13, and second connects
The wire rod of 14-25AWG specification is selected in ground path 173, and the interference source of electric control gear 13 is passed by the second grounding path 173
It send to ground terminal 179.Ground terminal 179 is in the outside of cabinet 131.
Third grounding path 175 connects pedestal 177 and ground terminal 179.Third grounding path 175 selects 14-25AWG specification
Wire rod, and can be the wherein screw connection of pedestal 177 together or by way of other can be electrically connected.
Pedestal 177 connects cabinet 131, and position, in cabinet 131, pedestal 177 and cabinet 131 can be metal or part gold
Structure made of belonging to.In the present embodiment, there is impedance in the junction of pedestal 177 and cabinet 131 or generally insulate, and has impedance
Or substantially insulation refers to and is unfavorable for interference source (electrical signals) transmission, therefore, interference source can be toward connecing compared with Low ESR or zero impedance
Ground (transmission) path transmission.In short, the impedance that third grounding path 175, pedestal 177 and ground terminal 179 are formed is to be much smaller than
Pedestal 177 and the connection of cabinet 131 are formed by impedance.
In addition, drive system 137 is fixed on pedestal 177, the ground line of drive system 137 is connection pedestal 177.This
In embodiment, the transmission circuit of the interference source of drive system 137 is sequentially the ground line of drive system 137, pedestal 177, third
Grounding path 175 and ground terminal 179, to avoid drive system 137 interference source to external diffusion.
In order to be formed with impedance or the substantially electrical characteristic that insulate, as shown in figure 4, the pedestal 177 of the utility model includes
Plummer 1771 and the multiple support legs 1773,1775 extended downwardly from around plummer 1771, plummer 1771 provide driving
System 137 is connected and fixed, drive system 137 top surfaces in plummer 1771, and the bottom surface of plummer 1771 is in face of cabinet
131, and an interval is kept with cabinet 131.Support leg 1773,1775 can connect together or be isolated from each other.
In the present embodiment, support leg 1773,1775 is divided into two kinds of patterns, and support leg 1773 is that have sole 1777, support leg
1775 be no sole.There are two perforation 17771 for the sole 1777 of each support leg 1773, and perforation 17771 is that screw is allowed to pass through
And it is connected and fixed with cabinet 131.In the present embodiment, the quantity of screw at most uses four, has resistive path to be formed, comes
Interference source is avoided to conduct by screw to elsewhere.Another form of support leg 1775 can choose contact or not contact cabinet
131, but support leg 1775 has multiple openings 17751, to change and reduce the transmission of interference source, 17751 quantity of being open can be with
It is one or more, and shape can be rectangle, circle or other geometries.
In addition, the contact surface of the sole 1777 of support leg 1773 and cabinet 131 is out-of-flatness or is coated with insulating materials, with shape
At the contact surface with impedance or substantially to insulate, flee outward to avoid interference source.
In the present embodiment, the second grounding path 173 and third grounding path 175 are then connected to after can connect cabinet 131
Ground terminal 179, but the first grounding path 171 is to be not connected to cabinet 131, it is, the first grounding path 171 and the second ground connection road
Diameter 173 and third grounding path 175 are completely separate, and are fled in electric control gear 13 to avoid interference source.It is kept completely separate and refers to
First grounding path 171 does not connect electric control gear 13, but can connect the same ground terminal 179 outside electric control gear 13, to keep away
Exempt from the interference source interference electric control gear 13 of motor.
In other embodiments, the support leg 1773 of pedestal 177 can be other structures, and such as 5-7 schemes, therefore, pedestal
177 structure and shape is not to be limited with specification illustrated embodiment.
In Fig. 5, support leg 1773 includes two hollow rings 17733, passes through for screw and is connected and fixed with cabinet 131, should
It is the structure of no sole 1777 compared to Fig. 4 in embodiment.Hollow ring 17733 can be by welding or the mode of binding is fixed
In support leg 1773.The quantity of hollow ring 17733 can be more, and position configuration described in the present embodiment also not to be limited.
In Fig. 6, embodiment of the support leg 1773 compared to Fig. 4 is that sole 1777 is not perforated, and only unilateral formation foot
The palm 1777, sole 1777 can be connected and fixed and binding or weld with cabinet 131.
The support leg 1773 of Fig. 7 is also the structure of no sole 1777, therefore, the support leg of the embodiment compared to Fig. 4
1773 root edge can be connected and fixed and binding or weld with cabinet 131.
As illustrated in figs. 8-9, Fig. 8 is that the actually detected motor device of spectrum analyzer does not apply the ground connection of the utility model to be
The test result figure of system, Fig. 9 are the tests of the earthed system of the actually detected motor device application the utility model of spectrum analyzer
Result figure.The range of spectrum analyzer test is 150K-30MHz, and it is more than the rule of safety that test result, which has multiple frequency ranges, in Fig. 8
Model, but in Fig. 9 test result obviously to obtain the specification that full frequency band is below safety.
In this way, the electromechanical equipment of the inhibition electromagnetic interference of the utility model considers to come effectively with earthed system with total system
Ground allows interference source to be transmitted to ground terminal and in accordance with safety specification.Therefore, the earthed system of the utility model can be reduced to may have
Retraining Measures (such as filter) is formulated in the part of problem, to improve production efficiency and reduce manufacture and material cost.
Finally it is to be emphasized again that composition element of the utility model disclosed by preceding taking off in embodiment, by way of example only,
Not it is used to limit the range of this case, the substitution or variation of other equivalence elements, the claim that also should be this case is contained
Lid.
Claims (6)
1. a kind of electromechanical equipment for inhibiting electromagnetic interference characterized by comprising
One junction line group；
One mechanical device connects the junction line group, and including a motor；
One electric control gear connects the junction line group, and including a cabinet and the power system being located in the cabinet, a control
System processed and a drive system, the power system connect the control system and the drive system, and drive system connection should
Motor；And
One earthed system, including one first grounding path, one second grounding path, a third grounding path, a pedestal and one connect
Ground terminal, first grounding path connect the mechanical device and the ground terminal, which connects the cabinet and the ground connection
End, the third grounding path connect the pedestal and the ground terminal, which connects the cabinet, and position is in the cabinet, the ground connection
Hold position outside the cabinet, wherein the drive system is fixedly connected with the pedestal, and the ground line of the drive system connects the pedestal, should
The impedance that third grounding path, the pedestal and the ground terminal are formed is less than the pedestal and the cabinet connects the impedance to be formed.
2. as described in claim 1 inhibit electromagnetic interference electromechanical equipment, which is characterized in that the pedestal include a plummer,
Multiple support legs, the drive system position keep an interval in the top surface of the plummer, the bottom surface of the plummer and the cabinet, this is more
A support leg is extended downwardly from around the plummer, and is fixedly connected with the cabinet.
3. inhibiting the electromechanical equipment of electromagnetic interference as claimed in claim 2, which is characterized in that wherein the one of multiple support leg
A to have a sole, which connects the cabinet.
4. inhibiting the electromechanical equipment of electromagnetic interference as claimed in claim 3, which is characterized in that the sole has at least one perforation,
To be fixed on the cabinet by an at least screw connection.
5. inhibiting the electromechanical equipment of electromagnetic interference as claimed in claim 2, which is characterized in that the support leg includes an opening.
6. inhibiting the electromechanical equipment of electromagnetic interference as described in claim 1, which is characterized in that first grounding path is one multiple
Transmission wire rod is closed, which includes a plurality of conducting wire and an insulating layer, which is coated by the insulating layer, and that
This insulation, one of them of a plurality of conducting wire are one first ground lines, first ground line closest to the outer surface of the insulating layer,
And the shielded layer that surrounding has other a plurality of conducting wires to be formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822027283.5U CN209643266U (en) | 2018-12-04 | 2018-12-04 | Inhibit the electromechanical equipment of electromagnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822027283.5U CN209643266U (en) | 2018-12-04 | 2018-12-04 | Inhibit the electromechanical equipment of electromagnetic interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209643266U true CN209643266U (en) | 2019-11-15 |
Family
ID=68473302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822027283.5U Active CN209643266U (en) | 2018-12-04 | 2018-12-04 | Inhibit the electromechanical equipment of electromagnetic interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209643266U (en) |
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2018
- 2018-12-04 CN CN201822027283.5U patent/CN209643266U/en active Active
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