CN202887018U - Electric performer containing automatic thermal insulation device inside - Google Patents
Electric performer containing automatic thermal insulation device inside Download PDFInfo
- Publication number
- CN202887018U CN202887018U CN 201220531021 CN201220531021U CN202887018U CN 202887018 U CN202887018 U CN 202887018U CN 201220531021 CN201220531021 CN 201220531021 CN 201220531021 U CN201220531021 U CN 201220531021U CN 202887018 U CN202887018 U CN 202887018U
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- controllable silicon
- relay
- well heater
- temperature sensor
- electric
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Abstract
The utility model provides an electric performer containing an automatic thermal insulation device inside. The electric performer comprises two temperature sensors, two relays, two silicon controlled rectifiers and two heaters. One temperature sensor, one relay, one silicon controlled rectifier and one heater together form a heating loop which is automatically controlled via a microcontroller to work in a circulating manner, so that a temperature inside an electric control cabinet and a temperature of lubrication grease keep within a fixed scope. The electric performer of the utility model helps to solve problems that the electric performer cannot work normally under an extremely low ambient temperature, so that the electric performer can work under even a lower ambient temperature compared with a conventional electric performer.
Description
Technical field
The utility model relates to a kind of electric actuator, relates in particular to a kind of electric actuator that can automatically adjust according to environment temperature internal temperature.
Background technology
Under extremely low environment temperature, some electronic devices and components in the electric actuator can make the failure rate of electric actuator sharply raise owing to can't adapt to the low-temperature working environment, frequent occur slow such as the LCDs response speed, show ghost and sluggishness; Capacitor's capacity changes, and causes that some circuit is unstable; Relay contact occurs freezing, and the actuating of relay is obstructed.In addition, mechanically operated lubricant grease can solidification phenomenon occur when temperature is extremely low, have a strong impact on the normal operation of electric actuator.
For above-mentioned because of the extremely low numerous faults that cause of environment temperature, at present domestic and international electric actuator manufacturer is also without the solution of stopping fault by improving actuator internal temperature environment, generally solved by the ambient temperature of improving electric actuator work by the user, as filling thermal cover or thermal protection cover in the electric actuator outside, add warming facility in the cover, the low temperature environment that cage is outer promotes actuator temperature in the cover; Or at the outside installing of actuator heating arrangement, by improving the actuator ambient temperature and then indirectly improving actuator inner cryogenic environment.These are large by the method investment that improves actuator ambient temperature remote effect actuator internal temperature, energy consumption is high, waste time and energy, install loaded down with trivial details, a little less than the adaptability, heat insulation effect is poor, makes electric actuator in very inconvenience of outdoor open-air atmosphere work, has limited the temperature range that electric actuator is suitable for low-temperature working.
The utility model content
Many for overcoming under the present extremely low temperature environment electric actuator phenomenon of the failure, failure rate is high, external insulation measure investment is large, energy consumption is high, waste time and energy, install loaded down with trivial details, a little less than the adaptability, heat insulation effect is poor, causes the limited deficiency of electric actuator usable range, and the utility model provides a kind of electric actuator that includes automatic heat insulation device, measure in real time the temperature of electric actuator inside by the interior temperature sensor of establishing, when this temperature is lower than a certain preset value, automatically starts well heater and heat up, when temperature is elevated to another preset value, automatic stopped heating, guarantee that the electric actuator internal temperature remains in a certain fixed range, stop to cause owing to low temperature the generation of fault, greatly improved the electric actuator operating ambient temperature range under the low temperature in the open.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of electric actuator that includes automatic heat insulation device is provided, comprises motor, transmission gear, speed reduction unit, manual pulley, lubricant grease and electric cabinet, also comprise temperature sensor one, well heater one and control bus; Be provided with circuit board one, circuit board two and well heater two in the electric cabinet, wherein circuit board one is provided with microcontroller, LCDs, parameter switch and temperature sensor two is set, and circuit board two is provided with relay one, controllable silicon one, relay two and controllable silicon two; Temperature sensor one is connected with temperature sensor and is connected with the same I/O port of microcontroller by control bus respectively, the control pin that relay one, relay two, controllable silicon one are connected with controllable silicon is connected with an I/O port of microcontroller respectively, two contacts of a pair of normally opened contact of relay one connect respectively the anode of AC power and controllable silicon one, two contacts of a pair of normally opened contact of relay two connect respectively the anode of AC power and controllable silicon two, the negative electrode of controllable silicon one is connected with well heater one, and the negative electrode of controllable silicon two is connected with well heater two; Temperature sensor one, relay one, controllable silicon one and well heater one consist of heating circuit one, and temperature sensor two, relay two, controllable silicon two and well heater two consist of heating circuit two; Well heater one is located at the outer wall of the lubricant grease cavity volume of transmission gear, and well heater two is located in the electric cabinet.
Described control bus is I
2The C bus.
It is Hall switch that described parameter arranges switch.
Described controllable silicon adopts the trigger action conducting.
Described heating circuit has extensibility.
The utility model novel structure, directly the heating circuit by electric actuator inside remains on internal temperature in the fixed range automatically, the internal insulation plant investment is little, additional energy consumption is low, high insulating effect, electric actuator need not to install other external insulation facilities when installing out of doors, easy to use, stopped the fault due to the low temperature, the range of application of electric actuator is greatly improved.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the inner automatic heat insulation device theory diagram of the utility model.
Among the figure, 1 temperature sensor, two, 2 controllable silicons, two, 3 well heaters two, 4 relays, two, 5 temperature sensors, one, 6 controllable silicon, one, 7 well heater one, 8 relays, one, 9 microcontroller, 10 control buss, 11 LCDs, 12 parameters arrange switch, 13 circuit boards, one, 14 circuit board, two, 15 electric cabinets, 16 motor, 17 transmission gears, 18 speed reduction units, 19 manual pulley, 20 lubricant greases, 21 AC power.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation that includes the automatic heat insulation device electric actuator, Fig. 2 is the inner automatic heat insulation device theory diagram of the utility model electric actuator, comprise motor 16, transmission gear 17, speed reduction unit 18, manual pulley 19, lubricant grease 20 and electric cabinet 15, also comprise temperature sensor 1, well heater 1 and I
2 C control bus 10; Be provided with circuit board 1, circuit board 2 14 and well heater 23 in the electric cabinet 15, wherein circuit board 1 is provided with microcontroller 9, LCDs 11, the hall switched parameter that model is STM32F switch 12 and temperature sensor 21 is set, and circuit board 2 14 is provided with relay 1, trigger action conduction type controllable silicon 1, relay 24 and trigger action conduction type controllable silicon 22; Temperature sensor 1 is connected with temperature sensor and 1 is connected with the same I/O port of microcontroller 9 by control bus 10 respectively, the control coil pin of relay 1, the control coil pin of relay 24, the gate pole of controllable silicon 1 is connected 2 gate pole and is connected with an I/O port of microcontroller 9 respectively with controllable silicon, two contacts of a pair of normally opened contact of relay 1 connect respectively the anode of AC power 21 and controllable silicon 1, two contacts of a pair of normally opened contact of relay 24 connect respectively the anode of AC power 21 and controllable silicon 22, the negative electrode of controllable silicon 1 is connected with well heater 1, and the negative electrode of controllable silicon 22 is connected with well heater 23; Temperature sensor 1, relay 1, controllable silicon 1 and well heater 1 consist of heating circuit one, and temperature sensor 21, relay 24, controllable silicon 22 and well heater 23 consist of heating circuit two; Well heater 1 is located at the outer wall of lubricant grease 20 cavity volumes of transmission gear 17, and well heater 23 is located in the electric cabinet 15.
By parameter the temperature ranges that switch 12 and LCDs 11 arrange in the electric cabinet 15 being set is 1～5 degree centigrade, and the temperature range that lubricant grease 20 places are set is-15～-11 degrees centigrade.When temperature sensor 21 records electric cabinet 15 interior temperature and is lower than 1 degree centigrade, microcontroller 9 starts the heating schedule of heating circuit two automatically, the control coil adhesive of relay 24, the a pair of normally opened contact that is connected in the heating circuit two is closed, and controllable silicon 22 is by trigger action gate pole conducting work, and 23 pairs of electric cabinets 15 of well heater are heated, then electric cabinet 15 interior temperature rise, when temperature rose to 5 degrees centigrade, microcontroller 9 automatically shut down controllable silicon 22, well heater 23 dead electricity stopped heatings.After this, electric cabinet 15 interior temperature reduce gradually, when being low to moderate 1 degree centigrade, restart the heating schedule of heating circuit two, just go round and begin again with thermometry → low temperature → heating → thermometry → high temperature → dead electricity cooling → thermometry and loop the insulation operation in this loop, this repetitive process is an automated procedure, realizes automatically control by microcontroller 9.The course of work of heating circuit one and heating circuit two are identical.Like this, electric cabinet 15 internal temperatures are all the time more than 1 degree centigrade, the temperature at lubricant grease 20 places is all the time more than-15 degrees centigrade, solved the difficult problem that electric actuator can't work under the utmost point low ambient temperature, can under lower environment temperature, work so that electric actuator of the present utility model is compared conventional electric actuator.
The principle of work of two heating circuits of the present embodiment is identical, and difference only is the installation position of temperature sensor and well heater.Temperature sensor all has the bus linkage function, by I
2The C bus connects all temperature sensors, and all temperature sensors only take an I/O mouth of microcontroller 9, and cost is lower.All controllable silicons are with the work of trigger action conduction mode, and are both energy-conservation, can prolong again the serviceable life of well heater.Real-time and the long-life requirement of frequent movement are satisfied in controllable silicon machinery-free contact.
Heating circuit of the present utility model has extensibility, can form plural heating circuit by the temperature sensor more than two groups, relay, controllable silicon and well heater, the principle of work of each heating circuit is identical, as example, only addresses two heating circuits herein.
Claims (5)
1. electric actuator that includes automatic heat insulation device, comprise motor, transmission gear, speed reduction unit, manual pulley, lubricant grease and electric cabinet, it is characterized in that: also comprise temperature sensor one, well heater one and control bus, be provided with circuit board one, circuit board two and well heater two in the described electric cabinet, wherein circuit board one is provided with microcontroller, LCDs, parameter switch and temperature sensor two is set, and circuit board two is provided with relay one, controllable silicon one, relay two and controllable silicon two; Temperature sensor one is connected with temperature sensor and is connected with the same I/O port of microcontroller by control bus respectively, the control pin that relay one, relay two, controllable silicon one are connected with controllable silicon is connected with an I/O port of microcontroller respectively, two contacts of a pair of normally opened contact of relay one connect respectively the anode of AC power and controllable silicon one, two contacts of a pair of normally opened contact of relay two connect respectively the anode of AC power and controllable silicon two, the negative electrode of controllable silicon one is connected with well heater one, and the negative electrode of controllable silicon two is connected with well heater two; Temperature sensor one, relay one, controllable silicon one and well heater one consist of heating circuit one, and temperature sensor two, relay two, controllable silicon two and well heater two consist of heating circuit two; Well heater one is located at the outer wall of the lubricant grease cavity volume of transmission gear, and well heater two is located in the electric cabinet.
2. the electric actuator that includes automatic heat insulation device according to claim 1, it is characterized in that: described control bus is I
2The C bus.
3. the electric actuator that includes automatic heat insulation device according to claim 1, it is characterized in that: it is Hall switch that described parameter arranges switch.
4. the electric actuator that includes automatic heat insulation device according to claim 1 is characterized in that: the conducting of described controllable silicon employing trigger action.
5. the electric actuator that includes automatic heat insulation device according to claim 1, it is characterized in that: described heating circuit has extensibility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220531021 CN202887018U (en) | 2012-10-17 | 2012-10-17 | Electric performer containing automatic thermal insulation device inside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220531021 CN202887018U (en) | 2012-10-17 | 2012-10-17 | Electric performer containing automatic thermal insulation device inside |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202887018U true CN202887018U (en) | 2013-04-17 |
Family
ID=48078425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220531021 Expired - Fee Related CN202887018U (en) | 2012-10-17 | 2012-10-17 | Electric performer containing automatic thermal insulation device inside |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202887018U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235610A (en) * | 2013-03-19 | 2013-08-07 | 沈国庆 | Intelligent electric temperature control actuator |
| CN107741696A (en) * | 2017-11-10 | 2018-02-27 | 天津奥美自动化系统有限公司 | Environment temperature adaptation control circuit and its control method for YE |
| CN111692401A (en) * | 2020-06-19 | 2020-09-22 | 扬州市威鹏自动化科技有限公司 | Electric actuator with automatic heat preservation device inside |
-
2012
- 2012-10-17 CN CN 201220531021 patent/CN202887018U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103235610A (en) * | 2013-03-19 | 2013-08-07 | 沈国庆 | Intelligent electric temperature control actuator |
| CN107741696A (en) * | 2017-11-10 | 2018-02-27 | 天津奥美自动化系统有限公司 | Environment temperature adaptation control circuit and its control method for YE |
| CN111692401A (en) * | 2020-06-19 | 2020-09-22 | 扬州市威鹏自动化科技有限公司 | Electric actuator with automatic heat preservation device inside |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20141017 |
|
| EXPY | Termination of patent right or utility model |