CN204231840U - Temperature control cold structure of electric actuator - Google Patents
Temperature control cold structure of electric actuator Download PDFInfo
- Publication number
- CN204231840U CN204231840U CN201420637051.0U CN201420637051U CN204231840U CN 204231840 U CN204231840 U CN 204231840U CN 201420637051 U CN201420637051 U CN 201420637051U CN 204231840 U CN204231840 U CN 204231840U
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- casing
- control box
- electric actuator
- box body
- refrigeration
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Abstract
The utility model relates to an electric actuator temperature control cold structure. The utility model discloses combine electric actuator's self structural feature, utilize temperature sensor to monitor the temperature of electrical control box and journey limit control box, through increasing the cold structural design of temperature control, form refrigeration circuit, realize the control by temperature change to the inside key part of electric actuator. The simple intelligent refrigeration control box with brand-new design adopts a compressor, a condenser and the like to realize refrigeration so as to achieve the purpose of adapting to a high-temperature environment from an electric actuator, thereby increasing the use stability, the adaptive capacity and the strain capacity of the electric actuator. Therefore, the problem that once the temperature of the electric control box and the travel limit control box is too high, the automatic control part is easily damaged, and the whole automatic system cannot be normally used is solved.
Description
Technical field
The utility model relates to electric actuator, particularly a kind of electric actuator temperature control air-cooled structure.
Background technology
Electric actuator is mainly used in various automation integrated system, but along with development that is social and every technology, the environment for use of electric actuator becomes more and more severe, also becomes more and more higher to its requirement.Requirement to its temperature is mainly reflected in the requirement of electric actuator, is applicable to hot environment exactly.Electric actuator is mainly divided into motor, electrical control, decelerator three part; and three parts all have requirement to hot environment simultaneously; motor overheating has heat protection function; decelerator mechanical part needs high temperature grease to reduce the wearing and tearing of each mechanical part; electric control system is electric control box and row limit control cabinet mainly, and mode is mainly heat insulation.If the field such as high-temperature region, power plant, chemical industry uses common electric actuator near such as boiler, its operating ambient temperature generally can only at-20 DEG C to 70 DEG C, if operating ambient temperature again higher position needs high temperature electric actuator, high temperature electric actuator also just can in the of short duration use of hot environment, once applied at elevated temperature overlong time, even if the lubricating oil of mechanical part can adapt to high temperature, and the cam of electric master control borad wherein and row limit, potentiometer must be damaged, integral electric actuator is caused to use.
Numerous domestic and international manufacturer all take into account high temperature problem in the new electric actuator of exploitation, general is all adopt heat insulation, high temperature lubricating wet goods mode, this mode is all cured the symptoms, not the disease, that is, once electric control box and row limit control cabinet portions under heat, Automated condtrol part is just easy to damage, thus cause whole automated system normally to use, system repairs or replaces can affect normal production, not only increases maintenance of equipment cost, affects production efficiency simultaneously.
Existing market must adapt to hot environment to electric actuator, even if do not accomplish to adapt to hot environment for a long time, also must can ensure within a certain period of time to use.Therefore be exactly a significant problem of restriction electric actuator use to the adaptive capacity of high temperature, need urgently to be resolved hurrily.
Summary of the invention
In view of above-mentioned prior art Problems existing and defect, the utility model provides a kind of electric actuator temperature control air-cooled structure.The utility model is in conjunction with the own structural characteristics of electric actuator, pass through mounting temperature sensor, temperature monitoring is carried out to key position, increase the simple intelligent refrigeration control case of brand-new design simultaneously, refrigeration control case adopts compressor, condenser etc. to realize refrigeration, rely on the refrigeration that control circuit realizes required refrigeration position, to reach from electric actuator self to adapt to hot environment, thus increase its stability used and the adaptive capacity of self and adaptability to changes.
The technical scheme that the utility model is taked is: a kind of electric actuator temperature control air-cooled structure, it is characterized in that: comprise electric control box, row limit control cabinet and refrigeration control case, refrigeration control case is connected with electric control box, and electric control box limits control cabinet to be connected with row; Refrigeration control case is made up of casing, case lid and end cap, is provided with compressor, condenser, cooling fan, device for drying and filtering, base plate, blower tray, connecting rod, micromachine, miniature gears box, liquid separatnig tube and three bifurcated catheter in casing; Temperature sensor, evaporator and capillary is separately installed with in electrical control box body and row limit control cabinet casing.
Four angles of casing outer bottom described in the utility model are respectively equipped with support column, and leave screwed hole in the middle of each support column, the installing hole that base plate is provided with by casing inner bottom part is fixedly connected with support column; In casing, rear end two bottom sides is respectively equipped with slot, casing inner bottom part both sides are respectively equipped with guide rail groove, two of connecting rod is long-armedly placed in guide rail groove, and two long-armed front ends are stretched out casing be fixedly connected with end cap through slot, connecting rod slides in guide rail groove when opening or close end cap; In casing, rear board is provided with the circular port of installation two cooling fans, and when closing end cap, then end cap is enclosed within the outer of protruding outside circular port; Condenser and blower tray are separately fixed on base plate; Cooling fan is arranged on blower tray; Micromachine is connected with miniature gears box by gear, is fixed on together on base plate simultaneously, and the output shaft of miniature gears box is through the hole fastening nuts in the middle of connecting rod; Compressor, device for drying and filtering and liquid separatnig tube are separately fixed on base plate.
The output of compressor described in the utility model is connected with the input of condenser by conduit; The output of condenser is connected with the input of device for drying and filtering by conduit; The output of device for drying and filtering is connected with the input of three bifurcated catheter; The output of three bifurcated catheter limits the capillary in control cabinet casing to be connected respectively by conduit with electrical control box body and row; Capillary is connected with evaporator; Evaporator is connected with the liquid separatnig tube in casing by conduit; Liquid separatnig tube is connected with the input of compressor, is formed refrigeration system circuit with this.
The beneficial effect that the utility model produces is: utilize the temperature of temperature sensor to electric control box and row limit control cabinet to monitor, by increasing the design of temperature control air-cooled structure, forming refrigerating circuit, can realize the temperature control to electric actuator inside key component.Thus avoid once electric control box and row limit control cabinet temperature too high, Automated condtrol part is just easy to damage, thus causes the problem that whole automated system cannot normally use.
Accompanying drawing explanation
Fig. 1 is profile end view (not installing handwheel) of the present utility model;
Fig. 2 is the assembling front elevational schematic (note: install cooling fan, non-top box lid) of refrigeration control case of the present utility model;
Fig. 3 is the assembling front elevational schematic (note: do not install cooling fan, non-top box lid) of refrigeration control case of the present utility model;
Fig. 4 is the assembling front elevational schematic (note: top box lid) of refrigeration control case of the present utility model;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the assembling schematic top plan view of electrically of the present utility model/row limit control cabinet;
Fig. 7 is end cap enlarged drawing of the present utility model;
Fig. 8 is blower tray enlarged drawing of the present utility model;
Fig. 9 is connecting rod enlarged drawing of the present utility model;
Figure 10 is attaching nut's enlarged drawing of the present utility model;
Figure 11 is row limit/electrical control box body stereogram of the present utility model;
Figure 12 is refrigeration control box body front view of the present utility model;
Figure 13 is refrigeration control case rearview of the present utility model;
Figure 14 is the stereogram of refrigeration control box body of the present utility model;
Figure 15 is refrigeration control case case lid schematic diagram of the present utility model;
Figure 16 is refrigerating system operation principle block diagram of the present utility model;
Figure 17 is refrigeration control circuit block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to figs. 1 through Figure 14, the utility model comprises electric control box, row limit control cabinet and refrigeration control case, and refrigeration control case is connected with electric control box, and electric control box limits control cabinet to be connected with row; Refrigeration control case is made up of casing 14, case lid 15 and end cap 16, is provided with compressor 2, condenser 3, cooling fan 4, device for drying and filtering 5, base plate 8, blower tray 9, connecting rod 10, micromachine 12, miniature gears box 13, liquid separatnig tube 18 and three bifurcated catheter 19 in casing 14; Temperature sensor 1, evaporator 6 and capillary 7 is separately installed with in electrical control box body 20 and row limit control cabinet casing 21.
The length four angles of casing 14 outer bottom of the present utility model being respectively equipped with support column 14.1(support column can adjust according to the model of concrete electric actuator), leave screwed hole in the middle of each support column, the installing hole that base plate 8 is provided with by casing 14 inner bottom part is fixedly connected with support column 14.1; In casing 14, rear end two bottom sides is respectively equipped with slot 14.2, casing 14 inner bottom part both sides are respectively equipped with guide rail groove 14.3, two of connecting rod 10 is long-armedly placed in guide rail groove 14.3, and two long-armed front ends are stretched out casing 14 be fixedly connected with end cap 16 through slot 14.2, connecting rod 10 is slip in guide rail groove 14.3 when opening or close end cap 16; In casing 14, rear board is provided with two circular ports 14.4 installing cooling fan 4, and when closing end cap 16, end cap 16 is enclosed within the outer of protrusion outside circular port 14.4; Condenser 3 and blower tray 9 are separately fixed on base plate 8; Cooling fan 4 is arranged on blower tray 9; Micromachine 12 is connected with miniature gears box 13 by gear, is fixed on base plate 8 together simultaneously, and the output shaft of miniature gears box 13 is through the hole fastening nuts in the middle of connecting rod 10; Compressor 2, device for drying and filtering 5 and liquid separatnig tube 18 are separately fixed on base plate 8.
With reference to Figure 16, the output of compressor 2 is connected by the input of conduit with condenser 3; The output of condenser 3 is connected by the input of conduit with device for drying and filtering 5; The output of device for drying and filtering 5 is connected with the input of three bifurcated catheter 19; The output of three bifurcated catheter 19 limits the capillary 7 in control cabinet casing 21 to be connected respectively by conduit with electrical control box body 20 and row; Capillary 7 is connected with evaporator 6; Evaporator 6 is connected with the liquid separatnig tube 18 in casing 14 by conduit; Liquid separatnig tube 18 is connected with the input of compressor 2, is formed refrigeration system circuit with this.
After compressor 2 switches on power, through overcompression, discharge high pressure-temperature steam, steam is by condenser 3 condensation, then three bifurcated catheter 19 are entered by device for drying and filtering 5, the evaporator 6(being entered electric control box and row limit control cabinet by the capillary 7 be attached thereto respectively can select whether access decelerator according to actual field situation), after being cooled by evaporator 6, get back in compressor 2 finally by liquid separatnig tube 18 and carry out next round kind of refrigeration cycle.
With reference to Fig. 1, Fig. 2, Figure 11 and Figure 12, be provided with four bottom electrical control box body 20 and protrude hole 20.1, protrude hole 20.1 with four that refrigeration control box body 14 top is provided with to protrude hole 14.5 corresponding, this protrusion hole is respectively used to holding wire input, holding wire exports, refrigeration exports, refrigeration refluxes use (also can adjust according to actual conditions).Electrical control box body 20 is fixed with pin by attaching nut 11 on corresponding protrusion borehole jack with refrigeration control box body 14.
With reference to Fig. 6 and Figure 11, electrical control box body 20 and row limit control cabinet casing 21 inner bottom part are equipped with the installation base 20.3 of temperature sensor 1, and boss 20.3 is provided with the installing hole of fixed temperature sensor 1; Electrical control box body 20 and row limit control cabinet casing 21 inner bottom part are also provided with the enclosing 17 for installing evaporator 6; Row limit control cabinet casing 21 inner bottom part is provided with simultaneously and protrudes hole 20.1, capillary 7 is arranged on electrical control box body 20 and the capable position, protrusion hole 20.1 limitting control cabinet casing 21 inner bottom part to be provided with respectively, electrical control box body 20 and the side of row limit control cabinet casing 21 are respectively equipped with three corresponding connecting holes 20.2, connecting hole is used for holding wire and refrigeration conduit passes, and an input hole for external signal cable.
With reference to Fig. 4, Figure 14 and Figure 15, the front end face of casing 14 is provided with the groove 14.6 of mounting O-shaped rings, and case lid 15 correspondence is provided with the groove 15.1 of mounting O-shaped rings, and casing 14 and case lid 15 pass through mounting O-shaped rings and seal fixing according to the screw of the screwed hole on it.
With reference to Figure 17, utility model works principle and temperature control adjustment process as follows: electric actuator is normally run after connecting power supply, and temperature sensor 1 is monitored the internal temperature of electric control box and row limit control cabinet respectively.Once occur that box interior temperature exceedes assigned temperature, then output signal, signal enters single chip machine controlling circuit by signal amplification circuit and A/D conversion, cooling fan 4 and compressor 2 are switched on power, refrigeration cool-down is started by refrigerating circuit, single chip machine controlling circuit timing circuit part wherein starts micromachine 12 to switch on power simultaneously, the miniature gears box 13 connected by micromachine promotes connecting rod 10, connecting rod 10 outwards promotes the end cap 16 be attached thereto along the guide rail groove 14.3 of refrigeration control box body 14, end cap 16 is opened in official hour, then deenergization, make condenser 3 and cooling fan 4 can air discharging and radiating smoothly, after refrigeration one end time, the internal temperature of temperature sensor monitors electric control box and row limit control cabinet, when temperature in casing is lower than assigned temperature, sensor output signal, through single chip machine controlling circuit by cooling fan 4 and compressor 2 deenergization, interrupt the refrigeration of this refrigerating system, micromachine 12 switches on power by single chip machine controlling circuit timing circuit wherein simultaneously, connecting rod 10 is pulled by the miniature gears box 13 be attached thereto, connecting rod 10 inwardly pulls end cap 16 along the guide rail groove 14.3 of refrigeration control box body 14 equally, end cap 16 is closed in regulation, then deenergization, now complete the airtight of refrigeration control case, thus complete a complete temperature control adjustment process.
Claims (6)
1. an electric actuator temperature control air-cooled structure, is characterized in that: comprise electric control box, row limit control cabinet and refrigeration control case, refrigeration control case is connected with electric control box, and electric control box limits control cabinet to be connected with row; Refrigeration control case is made up of casing (14), case lid (15) and end cap (16), is provided with compressor (2), condenser (3), cooling fan (4), device for drying and filtering (5), base plate (8), blower tray (9), connecting rod (10), micromachine (12), miniature gears box (13), liquid separatnig tube (18) and three bifurcated catheter (19) in casing (14);
Temperature sensor (1), evaporator (6) and capillary (7) is separately installed with in electrical control box body (20) and row limit control cabinet casing (21).
2. electric actuator temperature control air-cooled structure as claimed in claim 1, it is characterized in that: four angles of described casing (14) outer bottom are respectively equipped with support column (14.1), leave screwed hole in the middle of each support column, the installing hole that base plate (8) is provided with by casing (14) inner bottom part is fixedly connected with support column (14.1); Casing (14) interior rear end two bottom sides is respectively equipped with slot (14.2), casing (14) inner bottom part both sides are respectively equipped with guide rail groove (14.3), two of connecting rod (10) is long-armedly placed in guide rail groove (14.3), and two long-armed front ends are stretched out casing (14) be fixedly connected with end cap (16) through slot (14.2), connecting rod (10) is slip in guide rail groove (14.3) when opening or close end cap (16); Casing (14) interior rear board is provided with two circular ports (14.4) of installing cooling fan (4), and when closing end cap (16), end cap (16) is enclosed within the outer of circular port (14.4) outside protrusion; Condenser (3) and blower tray (9) are separately fixed on base plate (8); Cooling fan (4) is arranged on blower tray (9); Micromachine (12) is connected with miniature gears box (13) by gear, is fixed on base plate (8) together simultaneously, and the output shaft of miniature gears box (13) is through the hole fastening nuts in the middle of connecting rod (10); Compressor (2), device for drying and filtering (5) and liquid separatnig tube (18) are separately fixed on base plate (8).
3. electric actuator temperature control air-cooled structure as claimed in claim 2, is characterized in that: the output of described compressor (2) is connected by the input of conduit with condenser (3); The output of condenser (3) is connected by the input of conduit with device for drying and filtering (5); The output of device for drying and filtering (5) is connected with the input of three bifurcated catheter (19); The output of three bifurcated catheter (19) limits the capillary (7) in control cabinet casing (21) to be connected respectively by conduit with electrical control box body (20) and row; Capillary (7) is connected with evaporator (6); Evaporator (6) is connected with the liquid separatnig tube (18) in casing (14) by conduit; Liquid separatnig tube (18) is connected with the input of compressor (2), is formed refrigeration system circuit with this.
4. electric actuator temperature control air-cooled structure as claimed in claim 1, it is characterized in that: the front end face of described casing (14) is provided with the groove (14.6) of mounting O-shaped rings, case lid (15) correspondence is provided with the groove (15.1) of mounting O-shaped rings, and casing (14) seals fixing with case lid (15) by mounting O-shaped rings.
5. electric actuator temperature control air-cooled structure as claimed in claim 1, it is characterized in that: described electrical control box body (20) bottom is provided with protrudes hole (20.1), protrude hole (20.1) corresponding with the protrusion hole (14.5) that refrigeration control box body (14) top is provided with, electrical control box body (20) is fixed with pin by attaching nut (11) on corresponding protrusion borehole jack with refrigeration control box body (14).
6. electric actuator temperature control air-cooled structure as claimed in claim 1, it is characterized in that: described electrical control box body (20) and row limit control cabinet casing (21) inner bottom part are equipped with the installation base (20.3) of temperature sensor (1), and installation base (20.3) is provided with the installing hole of fixed temperature sensor (1); Electrical control box body (20) and row limit control cabinet casing (21) inner bottom part are also provided with the enclosing (17) for installing evaporator (6); Row limit control cabinet casing (21) inner bottom part is provided with simultaneously and protrudes hole (20.1), described capillary (7) is arranged on protrusion hole (20.1) position that electrical control box body (20) and row limit control cabinet casing (21) inner bottom part be provided with respectively, and the side of electrical control box body (20) and row limit control cabinet casing (21) is respectively equipped with three corresponding connecting holes (20.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420637051.0U CN204231840U (en) | 2014-10-30 | 2014-10-30 | Temperature control cold structure of electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420637051.0U CN204231840U (en) | 2014-10-30 | 2014-10-30 | Temperature control cold structure of electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204231840U true CN204231840U (en) | 2015-03-25 |
Family
ID=52929879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420637051.0U Withdrawn - After Issue CN204231840U (en) | 2014-10-30 | 2014-10-30 | Temperature control cold structure of electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204231840U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242613B (en) * | 2015-11-16 | 2016-08-24 | 江苏通明电力工程有限公司 | A kind of electric power electric element fixing apparatus control system |
| CN104320958B (en) * | 2014-10-30 | 2016-09-07 | 天津津伯仪表技术有限公司 | A kind of YE with temperature control air-cooled structure |
| CN112032395A (en) * | 2020-08-31 | 2020-12-04 | 晋本自动化科技有限公司 | Novel pneumatic valve actuator |
-
2014
- 2014-10-30 CN CN201420637051.0U patent/CN204231840U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320958B (en) * | 2014-10-30 | 2016-09-07 | 天津津伯仪表技术有限公司 | A kind of YE with temperature control air-cooled structure |
| CN105242613B (en) * | 2015-11-16 | 2016-08-24 | 江苏通明电力工程有限公司 | A kind of electric power electric element fixing apparatus control system |
| CN112032395A (en) * | 2020-08-31 | 2020-12-04 | 晋本自动化科技有限公司 | Novel pneumatic valve actuator |
| CN112032395B (en) * | 2020-08-31 | 2022-06-03 | 晋本自动化科技有限公司 | Novel pneumatic valve actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150325 Effective date of abandoning: 20160907 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150325 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |