CN220606388U - Electric actuator with overload automatic protection function - Google Patents
Electric actuator with overload automatic protection function Download PDFInfo
- Publication number
- CN220606388U CN220606388U CN202322236715.4U CN202322236715U CN220606388U CN 220606388 U CN220606388 U CN 220606388U CN 202322236715 U CN202322236715 U CN 202322236715U CN 220606388 U CN220606388 U CN 220606388U
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- Prior art keywords
- electric actuator
- actuator body
- return pipe
- cooling liquid
- heat
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- 239000000110 cooling liquid Substances 0.000 claims abstract description 35
- 230000017525 heat dissipation Effects 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010438 heat treatment Methods 0.000 description 6
- 230000001012 protector Effects 0.000 description 6
- 241001233242 Lontra Species 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses an electric actuator with an overload automatic protection function, and particularly relates to the field of electric actuators. According to the electric actuator, the heat dissipation fan and the exhaust fan are matched, so that the inside of the electric actuator body can be conveniently cooled, liquid in the cooling liquid tank is input into the liquid return pipe and the middle of the liquid return pipe through the water pump to realize liquid circulation, gas entering the inside of the electric actuator body is cooled through the liquid return pipe, the heat dissipation effect is improved, external dust is prevented from entering the inside of the electric actuator body through the dustproof net, and the use effect is improved.
Description
Technical Field
The utility model relates to the technical field of electric actuators, in particular to an electric actuator with an overload automatic protection function.
Background
The electric actuator is an essential component in an automatic control system, and has the functions of receiving control signals sent by a controller and changing the size of a controlled medium, so that the controlled variable is maintained on a required numerical value or within a certain range, the actuator can be divided into three categories of pneumatic, hydraulic and electric according to the energy form, the electric actuator is an instrument applied to various industrial automatic process control links, the electric actuator has the characteristics of safety assurance, protection devices, various speeds, corrosion protection, rust protection, intelligent numerical control and the like, the integrated design of the electric actuator is easier to program control, and the maintenance workload is reduced to the minimum, and no more or more lubricating parts are needed under extreme conditions.
The utility model of Chinese patent application No. CN201821400536.2 discloses an electric actuator with automatic power-off and overload protection functions, a secondary gear in the existing gear train is used as a manual gear at the same time, an electromagnetic coil sleeve is sleeved on the outer edge of a boss hole, an electromagnetic coil is connected with the detection end of an electromagnetic detection circuit of a circuit board, when manual operation is needed, a manual wrench passes through the boss hole and is in driving connection with the manual clutch, a central processing circuit controls a motor driving circuit to stop supplying power to a motor, the motor stops rotating, at the moment, the rotation of the secondary gear is driven by the manual wrench, the main shaft is driven to move through the transmission of the gear train to finish manual operation, and after the manual wrench is pulled out of the boss hole, the central processing circuit automatically starts to supply power to the motor, and the electric actuator starts to operate electrically.
But this structure is when in actual use, and its inside motor and electrical equipment operation need produce heat, if adjust too frequently, can lead to self heat dissipation function unable to realize good radiating effect to cause motor overheat easily, influence result in use.
Disclosure of Invention
The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art. In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an electric actuator with an overload automatic protection function, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the electric actuator with the overload automatic protection function comprises an electric actuator body, an overload protector and a connecting end, wherein the overload protector and the connecting end are arranged at the bottom of the electric actuator body, a cooling liquid tank is arranged at the top of the electric actuator body, a water pump is arranged on one side of an inner cavity of the cooling liquid tank, and a heat dissipation fan is arranged in the middle of one side of the electric actuator body;
a return pipe is arranged on one side of the heat dissipation fan, which is far away from the electric actuator body, a dust screen is arranged on one side of the return pipe, which is far away from the heat dissipation fan, support rods are arranged on two sides of the middle of the return pipe, a porous plate is arranged on one side of the heat dissipation fan, which is far away from the return pipe, a liquid return pipe is arranged on the rear side of the electric actuator body, an exhaust fan is arranged on one side of the electric actuator body, which is far away from the heat dissipation fan, the exhaust fan is provided with the otter board on one side far away from the electric actuator body, the inner chamber top of electric actuator body is provided with first heat-conducting plate, the top fixedly connected with second heat-conducting plate of first heat-conducting plate, the bottom fixedly connected with heating panel of first heat-conducting plate, the aperture has been seted up at the middle part of second heat-conducting plate.
Preferably, the top of cooling liquid case is provided with the feed liquor pipe, the input of water pump is linked together with the inner chamber of cooling liquid case, the output of cooling liquid case is linked together with the one end of return pipe, the one end that the water pump was kept away from to the return pipe and cooling liquid case is inside to be linked together, one end and the one side fixed connection of radiator fan of bracing piece, the second heat-conducting plate runs through the top wall body of electric actuator body and extends to the inside of cooling liquid case, the quantity of second heat-conducting plate and aperture, heating panel is a plurality of, the wind direction of radiator fan is moved the return pipe and is flowed to the perforated plate, the wind direction of air discharge fan sets up to one side from electric actuator body to the otter board, top one side of cooling liquid case is provided with the controller, and controller and water pump and radiator fan, air discharge fan electricity are connected.
The utility model has the technical effects and advantages that:
1. according to the electric actuator, the heat dissipation fan and the exhaust fan are matched, so that the inside of the electric actuator body can be conveniently cooled, liquid in the cooling liquid tank is input into the liquid return pipe and the middle part of the liquid return pipe through the water pump to realize liquid circulation, gas entering the inside of the electric actuator body is cooled through the liquid return pipe, the heat dissipation effect is improved, external dust is prevented from entering the inside of the electric actuator body through the dustproof net, and the use effect is improved;
2. according to the utility model, through the cooperation of the first heat-conducting plate, the second heat-conducting plate and the heat-radiating plate, the cooling energy in the cooling liquid tank can be diffused into the electric actuator body through the heat-radiating plate again, the interior of the electric actuator body is further cooled, and meanwhile, the heat in the electric actuator body can be input into the cooling liquid tank through the heat-radiating plate, the first heat-conducting plate and the second heat-conducting plate for cooling, so that the use effect is improved;
in conclusion, through the mutual influence of the plurality of actions, the inside of the electric actuator body can be cooled, the service life of the electric actuator body is prolonged, and the use effect is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic side view of the return pipe of the present utility model.
Fig. 3 is a schematic side view of the present utility model.
Fig. 4 is a schematic structural view of a first heat-conducting plate according to the present utility model.
The reference numerals are: 1. an electric actuator body; 2. an overload protector; 3. a connection end; 4. a cooling liquid tank; 5. a heat dissipation fan; 6. a return pipe; 7. a dust screen; 8. a support rod; 9. a porous plate; 10. an exhaust fan; 11. a screen plate; 12. a liquid inlet pipe; 13. a water pump; 14. a liquid return pipe; 15. a first heat-conducting plate; 16. a second heat-conducting plate; 17. a small hole; 18. and a heat dissipation plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The electric actuator with the overload automatic protection function comprises an electric actuator body 1, an overload protector 2 and a connecting end 3, wherein the overload protector 2 and the connecting end 3 are arranged at the bottom of the electric actuator body 1, a cooling liquid tank 4 is arranged at the top of the electric actuator body 1, a water pump 13 is arranged on one side of an inner cavity of the cooling liquid tank 4, and a heat dissipation fan 5 is arranged in the middle of one side of the electric actuator body 1;
the heat dissipation fan 5 is provided with back-shaped pipe 6 far away from one side of electric actuator body 1, back-shaped pipe 6 is provided with dust screen 7 far away from one side of heat dissipation fan 5, the middle part both sides of back-shaped pipe 6 are provided with bracing piece 8, one side of heat dissipation fan 5 far away from back-shaped pipe 6 is provided with perforated plate 9, the rear side of electric actuator body 1 is provided with back liquid pipe 14, one side of electric actuator body 1 far away from heat dissipation fan 5 is provided with air discharge fan 10, one side of air discharge fan 10 far away from electric actuator body 1 is provided with otter board 11, the inner chamber top of electric actuator body 1 is provided with first heat-conducting plate 15, the top fixedly connected with second heat-conducting plate 16 of first heat-conducting plate 15, the bottom fixedly connected with heating panel 18 of first heat-conducting plate 15, aperture 17 has been seted up at the middle part of second heat-conducting plate 16.
As shown in fig. 1-4, the top of the cooling liquid tank 4 is provided with a liquid inlet pipe 12, the input end of a water pump 13 is communicated with the inner cavity of the cooling liquid tank 4, the output end of the cooling liquid tank 4 is communicated with one end of a return pipe 6, one end of the return pipe 6 away from the water pump 13 is communicated with one end of a return pipe 14, one end of the return pipe 14 away from the return pipe 6 is communicated with the inner part of one end of the cooling liquid tank 4 away from the water pump 13, one end of a supporting rod 8 is fixedly connected with one side of a cooling fan 5, a second heat conducting plate 16 penetrates through the top wall body of the electric actuator body 1 and extends into the cooling liquid tank 4, the number of the second heat conducting plates 16, small holes 17 and heat dissipation plates 18 is a plurality, the wind direction of the cooling fan 5 moves the return pipe 6 to the porous plate 9, the wind direction of the exhaust fan 10 is set from the electric actuator body 1 to one side of the screen 11, the controller is arranged on one side of the top of the cooling liquid tank 4 and is electrically connected with the water pump 13, the heat radiating fan 5 and the exhaust fan 10, so that heat in the electric actuator body 1 can be blown away and discharged through starting the heat radiating fan 5 and the exhaust fan 10, cooling in the electric actuator body 1 is realized, a cold area in the cooling liquid tank 4 is also input into the interior of the return pipe 6 through the water pump 13, when external air is blown into the electric actuator body 1 by the heat radiating fan 5, the sucked air is cooled through the return pipe 6, then the temperature of the air blown into the electric actuator body 1 is lower, the cooling effect is improved, and the liquid in the middle of the return pipe 6 can be input into the interior of the cooling liquid tank 4 through the set return pipe 14, so that the cooling liquid circulation is realized, and the use effect is improved;
and through the second heat-conducting plate 16 and the first heat-conducting plate 15 that set up, can be with the inside low temperature of coolant tank 4 inside coolant liquid through the inside of second heat-conducting plate 16 leading-in first heat-conducting plate 15 to cool down to the inner chamber of electric actuator body 1 through heating panel 18, also can cool down through the inside high temperature leading-in second heat-conducting plate 16 of heating panel 18 with electric actuator body 1, improve the cooling result of use to the inside cooling of electric actuator body 1.
The working principle of the utility model is as follows: when the electric actuator is used, overload protection is automatically carried out through the overload protector 2, meanwhile, when the temperature in the electric actuator body 1 is increased, cooling liquid can be injected into the cooling liquid tank 4 through the liquid inlet pipe 12 in advance, then the water pump 13 is started to enable the cooling liquid to circulate through the return pipe 6 and the return pipe 14, then the heat dissipation fan 5 and the exhaust fan 10 are started, cooling gas can be injected into the electric actuator body 1, and hot air in the electric actuator body 1 is discharged through the exhaust fan 10, so that the effect of cooling is realized;
and avoid the dust entering the inside of electric actuator body 1 through dust screen 7, support return pipe 6 through bracing piece 8, simultaneously through the cooperation of first heat-conducting plate 15 and second heat-conducting plate 16, heating panel 18, further cool down the inside of electric actuator body 1, improve the result of use.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. The utility model provides an electric actuator of automatic protect function of overload in area, includes electric actuator body (1) and sets up overload protection ware (2) and link (3) in electric actuator body (1) bottom, its characterized in that: the electric actuator comprises an electric actuator body (1), wherein a cooling liquid tank (4) is arranged at the top of the electric actuator body (1), a water pump (13) is arranged on one side of an inner cavity of the cooling liquid tank (4), and a heat dissipation fan (5) is arranged in the middle of one side of the electric actuator body (1);
a return pipe (6) is arranged on one side, far away from the electric actuator body (1), of the heat dissipation fan (5), a dust screen (7) is arranged on one side, far away from the heat dissipation fan (5), of the return pipe (6), support rods (8) are arranged on two sides of the middle of the return pipe (6), a porous plate (9) is arranged on one side, far away from the return pipe (6), of the heat dissipation fan (5), and a liquid return pipe (14) is arranged on the rear side of the electric actuator body (1);
an exhaust fan (10) is arranged on one side, far away from the radiating fan (5), of the electric actuator body (1), and a screen plate (11) is arranged on one side, far away from the electric actuator body (1), of the exhaust fan (10);
the electric actuator comprises an electric actuator body (1), wherein a first heat conducting plate (15) is arranged at the top of an inner cavity of the electric actuator body (1), a second heat conducting plate (16) is fixedly connected to the top of the first heat conducting plate (15), a heat radiating plate (18) is fixedly connected to the bottom end of the first heat conducting plate (15), and a small hole (17) is formed in the middle of the second heat conducting plate (16).
2. The electric actuator with an overload automatic protection function according to claim 1, wherein: the top of cooling liquid case (4) is provided with feed liquor pipe (12), the input of water pump (13) is linked together with the inner chamber of cooling liquid case (4), the output of cooling liquid case (4) is linked together with the one end of return pipe (6).
3. The electric actuator with an overload automatic protection function according to claim 1, wherein: one end of the return pipe (6) far away from the water pump (13) is communicated with one end of the return pipe (14), and one end of the return pipe (14) far away from the return pipe (6) is communicated with the inside of one end of the cooling liquid tank (4) far away from the water pump (13).
4. The electric actuator with an overload automatic protection function according to claim 1, wherein: one end of the supporting rod (8) is fixedly connected with one side of the cooling fan (5), and the second heat conducting plate (16) penetrates through the top wall body of the electric actuator body (1) and extends to the inside of the cooling liquid tank (4).
5. The electric actuator with an overload automatic protection function according to claim 1, wherein: the number of the second heat-conducting plates (16), the small holes (17) and the heat dissipation plates (18) is a plurality of, the wind direction of the heat dissipation fan (5) is from the movable return pipe (6) to the perforated plate (9) to flow, and the wind direction of the exhaust fan (10) is from the electric actuator body (1) to one side of the screen plate (11).
6. The electric actuator with an overload automatic protection function according to claim 1, wherein: a controller is arranged on one side of the top of the cooling liquid tank (4), and the controller is electrically connected with the water pump (13), the heat dissipation fan (5) and the exhaust fan (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322236715.4U CN220606388U (en) | 2023-08-19 | 2023-08-19 | Electric actuator with overload automatic protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322236715.4U CN220606388U (en) | 2023-08-19 | 2023-08-19 | Electric actuator with overload automatic protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220606388U true CN220606388U (en) | 2024-03-15 |
Family
ID=90175523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322236715.4U Active CN220606388U (en) | 2023-08-19 | 2023-08-19 | Electric actuator with overload automatic protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220606388U (en) |
-
2023
- 2023-08-19 CN CN202322236715.4U patent/CN220606388U/en active Active
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