CN102096384A - Low-temperature electric actuating mechanism - Google Patents
Low-temperature electric actuating mechanism Download PDFInfo
- Publication number
- CN102096384A CN102096384A CN 201110005020 CN201110005020A CN102096384A CN 102096384 A CN102096384 A CN 102096384A CN 201110005020 CN201110005020 CN 201110005020 CN 201110005020 A CN201110005020 A CN 201110005020A CN 102096384 A CN102096384 A CN 102096384A
- Authority
- CN
- China
- Prior art keywords
- temperature
- processor
- compensation
- low
- electric operator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Control Of Temperature (AREA)
Abstract
The invention relates to a low-temperature electric actuating mechanism, comprising a comprehensive control module and a driving module which work normally at low temperature, wherein the driving module is electrically connected with the comprehensive control module and comprises a motor and a temperature control module; the output torques of the motor at low temperature and normal temperature are the same; the temperature control module is also electrically connected with the comprehensive control module, and comprises a processor, a temperature sensor, a space heater and control software applicable to the processor; and the temperature sensor and the space heater are respectively electrically connected with the processor. According to the invention, the development of the low-temperature electric actuating mechanism is accelerated, so that the dependency and import on foreign similar products can be reduced, simultaneously, the blank (minus40 DEG C) of no low-temperature electric actuating mechanism in China is filled, and the requirements of most parts of areas in China on the low-temperature electric actuating mechanism are met.
Description
Technical field
The present invention relates to a kind of electric valve executing mechanism.Especially a kind of low form (40 ℃) electric operator.
Background technology
Now; increasing factory has adopted robotization control; manually-operated is substituted by machinery or automation equipment, and people require topworks can play interface interaction between control system and the valve mechanical motion, more requires topworks to strengthen work safety and environmental protection performance.In some dangerous occasions, the actuator devices of robotization can reduce personnel's injury.Some Special valve requires under special circumstances emergency opening or closes, and valve actuator can stop dangerous further diffusion simultaneously factory's loss to be reduced to minimum.
But the environment for use temperature of present electric operator is generally-20 ℃ to+70 ℃ on the market.The main dependence on import of low form electric operator, accelerate the exploitation of low form electric operator, can reduce dependence and import to external like product, filled up domestic no low form electric operator (40 ℃) blank simultaneously, satisfied the demand of domestic overwhelming majority zone the low form electric operator.
Summary of the invention
In order to overcome above defective, the technical problem to be solved in the present invention is: a kind of part and standard component of selecting suitable cryogenic material for use proposed, by increase temperature control module can be under (40 ℃) under the low temperature environment still can operate as normal electric operator.
The technical solution adopted in the present invention is: a kind of low form electric operator, the Comprehensive Control module that comprises operate as normal under the low temperature, the driver module of operate as normal under the low temperature, described driver module and Comprehensive Control module electrically connect, described driver module comprises that the output torque is with motor identical under the normal temperature under the low temperature, also be electrically connected with temperature control module with the Comprehensive Control module, described temperature control module comprises processor, temperature sensor, space heater, with the supporting Control Software of processor, described temperature sensor, space heater electrically connects with processor respectively.
According to another preferred embodiment, a kind of low form electric operator comprises that further described low temperature range is for smaller or equal to-40 ℃.
According to another preferred embodiment, a kind of low form electric operator comprises that further this topworks also comprises subzero oil, low form seal;
The parameters of described subzero oil requires: pour point :-50～55; Flash-point: 236; Viscosity index: 140～150; Kinematic viscosity (100 ℃): 10.5～11.5.
According to another preferred embodiment, a kind of low form electric operator comprises that further described temperature sensor adopts digital temperature sensor DS18B20, its temperature-measuring range is-55 ℃ ~ 125 ℃, described processor adopting chip microprocessor (MCU) adopts the mode of digital communication to carry out message exchange between temperature sensor and the processor.
According to another preferred embodiment, a kind of low form electric operator comprises that further the method for work of described temperature control module comprises step:
A, temperature sensor detect the real time temperature of electric operator inside, and this real time temperature is defined as T, and the mode by digital communication inputs to processor with T;
Definition is provided with two ultimate temperatures in b, the described processor, is respectively space heater work temperature 1, close space heter temperature T2, and when the real time temperature T that surveys was lower than space heater work temperature 1, processor control space heater was opened; When the real time temperature T that surveys was higher than close space heter temperature T2, processor control space heater cut out;
The real time temperature of the topworks inside that c, temperature sensor detect feeds back to processor again, carries out b step again.
According to another preferred embodiment, a kind of low form electric operator comprises that further this mechanism also can realize temperature compensation, definition one compensation temperature T3 in the described processor, T3 when described real time temperature T is lower than compensation temperature, processor carries out temperature compensation by Control Software to the feedback signal of input signal and output; When real time temperature T was higher than compensation temperature T3, processor was then cancelled temperature compensation.
According to another preferred embodiment, a kind of low form electric operator comprises that further described temperature compensation is the linear function that offset is converted to temperature, the formula of described linear function be IO-add=IO * (A+B * T), in the formula:
IO is compensation front signal value;
IO-add is the signal compensation value;
A is a signal compensation curve constant;
B is the signal compensation rate of curve;
T is a real time temperature;
Be provided with at least four temperature ranges in input, the temperature compensation range of output signal error between ± 1%, each temperature range has penalty coefficient separately.
According to another preferred embodiment, a kind of low form electric operator comprises that further described four temperature ranges are respectively: interval 1:T3 ~ 0 ℃; Interval 2:0 ℃ ~-13 ℃; Interval 3:-13 ℃ ~-23 ℃; Interval 4:-23 ℃ ~-40 ℃.
According to another preferred embodiment, a kind of low form electric operator comprises that further described signal compensation curve constant A, signal compensation rate of curve B are array, the A value be 42,42,46,45}, the B value be 1.5,1.36,1,1}.
The invention has the beneficial effects as follows: the present invention accelerates the exploitation of low form electric operator, can reduce dependence and import to external like product, filled up domestic no low form electric operator (40 ℃) blank simultaneously, satisfied the demand of domestic overwhelming majority zone the low form electric operator.
Description of drawings
Fig. 1 is the structural representation of temperature control module in the preferred embodiments of the present invention;
Fig. 2 is a workflow diagram of the present invention;
Among the figure: 1, processor, 2, temperature sensor, 3, space heater.
Embodiment
The present invention is further detailed explanation with preferred embodiment in conjunction with the accompanying drawings now.These accompanying drawings are the synoptic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Figure 1, a kind of low form electric operator, the driver module that comprises operate as normal under the Comprehensive Control module, low temperature of operate as normal under the low temperature, described driver module and Comprehensive Control module electrically connect, described driver module comprises that the output torque is with motor identical under the normal temperature under the low temperature, also be electrically connected with temperature control module with the Comprehensive Control module, described temperature control module comprise processor 1, temperature sensor 2, space heater 3, with the supporting Control Software of processor 1, described temperature sensor 2, space heater 3 electrically connect with processor 1 respectively.Low temperature range is smaller or equal to-40 ℃.
This topworks also comprises subzero oil, low temperature resistant, oil resistant, the seal that wearing quality is good;
Wherein, the requirement of the parameters of subzero oil is: pour point :-50～55; Flash-point: 236; Viscosity index: 140～150; Kinematic viscosity (100 ℃): 10.5～11.5.
By part and the standard component of selecting suitable cryogenic material for use, increase corresponding circuit structure and guarantee that electric operator still can operate as normal under (40 ℃) under low temperature environment.
Measuring the electric operator ambient temperature in real time by temperature sensor 2 changes, temperature sensor 2 adopts digital temperature sensor DS18B20, its temperature-measuring range is-55 ℃ ~ 125 ℃, described processor 1 adopts chip microprocessor 1(MCU), adopt the mode of digital communication to carry out message exchange between temperature sensor 2 and the processor 1.
As shown in Figure 2, the method for work of temperature control module comprises step:
A, temperature sensor 2 detects the real time temperature of electric operator inside, and this real time temperature is defined as T, and the mode by digital communication inputs to processor 1 with T;
Definition is provided with two ultimate temperatures in b, the described processor 1, be respectively space heater work temperature 1, close space heter temperature T2, when the real time temperature T that surveys was lower than space heater work temperature 1, processor 1 control space heater 3 was opened, and topworks inside is heated; When the real time temperature T that surveys was higher than close space heter temperature T2, processor 1 control space heater 3 cut out;
The real time temperature of the topworks inside that c, temperature sensor 2 detect feeds back to processor 1 again, carries out b step again.Thereby realize the real-time closed-loop control of topworks's internal temperature.
This mechanism also can realize temperature compensation, definition one compensation temperature T3 in the described processor 1, T3 when described real time temperature T is lower than compensation temperature, processor 1 by Control Software to input control signal (4～20mA) and output feedback signal (4～20mA) carry out real-time temperature compensation, cross low influence to its generation with compensation temperature; When real time temperature T was higher than compensation temperature T3,1 cancellation of processor temperature compensation guaranteed input signal error≤± 1% under low temperature environment, output signal error≤± 1%.
Described temperature compensation is the linear function that offset is converted to temperature, and the formula of described linear function is that IO-add=IO * (A+B * T), in the formula: IO is compensation front signal value; IO-add is the signal compensation value; A is a signal compensation curve constant; B is the signal compensation rate of curve; T is a real time temperature; Be provided with at least four temperature ranges in input, the temperature compensation range of output signal error between ± 1%, each temperature range has penalty coefficient separately.
For guaranteeing error in ± 1%, adopt the linear interpolation method segmentation to compensate, according to different temperature ranges, dividing in the temperature compensation range has four intervals, and described four temperature ranges are respectively: interval 1:T3 ~ 0 ℃; Interval 2:0 ℃ ~-13 ℃; Interval 3:-13 ℃ ~-23 ℃; Interval 4:-23 ℃ ~-40 ℃.Wherein, described signal compensation curve constant A, signal compensation rate of curve B are array, the A value be 42,42,46,45}, the B value be 1.5,1.36,1,1}.At the interval penalty coefficient that adopts separately of different temperatures, guarantee that the control performance index meets the requirements under low temperature environment.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the instructions, must determine its technical scope according to the claim scope.
Claims (9)
1. low form electric operator, the driver module that comprises operate as normal under the Comprehensive Control module, low temperature of operate as normal under the low temperature, described driver module and Comprehensive Control module electrically connect, described driver module comprises that the output torque is with motor identical under the normal temperature under the low temperature, it is characterized in that: also be electrically connected with temperature control module with the Comprehensive Control module, described temperature control module comprise processor, temperature sensor, space heater, with the supporting Control Software of processor, described temperature sensor, space heater electrically connect with processor respectively.
2. a kind of low form electric operator according to claim 1 is characterized in that: described low temperature range is smaller or equal to-40 ℃.
3. a kind of low form electric operator according to claim 1 is characterized in that: this topworks also comprises subzero oil, low form seal;
The parameters of described subzero oil requires: pour point :-50～55; Flash-point: 236; Viscosity index: 140～150; Kinematic viscosity (100 ℃): 10.5～11.5.
4. a kind of low form electric operator according to claim 1, it is characterized in that: described temperature sensor adopts digital temperature sensor DS18B20, its temperature-measuring range is-55 ℃ ~ 125 ℃, described processor adopting chip microprocessor (MCU) adopts the mode of digital communication to carry out message exchange between temperature sensor and the processor.
5. a kind of low form electric operator according to claim 1, it is characterized in that: the method for work of described temperature control module comprises step:
A, temperature sensor detect the real time temperature of electric operator inside, and this real time temperature is defined as T, and the mode by digital communication inputs to processor with T;
Definition is provided with two state temperature in b, the described processor, is respectively space heater work temperature 1, close space heter temperature T2, and when the real time temperature T that surveys was lower than space heater work temperature 1, processor control space heater was opened; When the real time temperature T that surveys was higher than close space heter temperature T2, processor control space heater cut out;
The real time temperature of the topworks inside that c, temperature sensor detect feeds back to processor again, carries out b step again.
6. a kind of low form electric operator according to claim 5, it is characterized in that: this mechanism also can realize temperature compensation, definition one compensation temperature T3 in the described processor, T3 when described real time temperature T is lower than compensation temperature, processor carries out temperature compensation by Control Software to the feedback signal of input signal and output; When real time temperature T was higher than compensation temperature T3, processor was then cancelled temperature compensation.
7. a kind of low form electric operator according to claim 6 is characterized in that: described temperature compensation is the linear function that offset is converted to temperature, the formula of described linear function be IO-add=IO * (A+B * T), in the formula:
IO is compensation front signal value;
IO-add is the signal compensation value;
A is a signal compensation curve constant;
B is the signal compensation rate of curve;
T is a real time temperature;
Be provided with at least four temperature ranges in input, the temperature compensation range of output signal error between ± 1%, each temperature range has penalty coefficient separately.
8. a kind of low form electric operator according to claim 7 is characterized in that: described four temperature ranges are respectively: interval 1:T3 ~ 0 ℃; Interval 2:0 ℃ ~-13 ℃; Interval 3:-13 ℃ ~-23 ℃; Interval 4:-23 ℃ ~-40 ℃.
9. a kind of low form electric operator according to claim 7 is characterized in that: described signal compensation curve constant A, signal compensation rate of curve B are array, the A value be 42,42,46,45}, the B value be 1.5,1.36,1,1}.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110005020 CN102096384A (en) | 2011-03-28 | 2011-03-28 | Low-temperature electric actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110005020 CN102096384A (en) | 2011-03-28 | 2011-03-28 | Low-temperature electric actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102096384A true CN102096384A (en) | 2011-06-15 |
Family
ID=44129513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110005020 Pending CN102096384A (en) | 2011-03-28 | 2011-03-28 | Low-temperature electric actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102096384A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633323A (en) * | 2009-08-24 | 2010-01-27 | 永济新时速电机电器有限责任公司 | Ultra-low temperature application traction inverter |
| CN101792025A (en) * | 2010-04-07 | 2010-08-04 | 北京交通大学 | Driving device suitable for space environment |
-
2011
- 2011-03-28 CN CN 201110005020 patent/CN102096384A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633323A (en) * | 2009-08-24 | 2010-01-27 | 永济新时速电机电器有限责任公司 | Ultra-low temperature application traction inverter |
| CN101792025A (en) * | 2010-04-07 | 2010-08-04 | 北京交通大学 | Driving device suitable for space environment |
Non-Patent Citations (1)
| Title |
|---|
| 《环境技术》 19981231 高峰 等 步进电机在真空低温下的驱动特性分析 第36-43页 1-9 , 第3期 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104260093A (en) | Delta parallel-connection manipulator control system | |
| CN203238304U (en) | Novel track frame resistance furnace control system | |
| CN101997471B (en) | PID prediction function-based excitation control method | |
| CN104006014A (en) | Complex electro-hydraulic system closed loop control method | |
| KR101329199B1 (en) | Controller to enhance control performance degradation by non-linearity of actuator using neural network | |
| CN201934753U (en) | Electric actuating mechanism | |
| CN203786565U (en) | Position loop control-based electric steering engine system | |
| CN102096384A (en) | Low-temperature electric actuating mechanism | |
| CN204808034U (en) | A flexibility prescription configuration device for engine asseumbly line | |
| CN103174524A (en) | Electronic throttle valve control system | |
| CN104270046A (en) | Motor control method based on self-learning of rotating speed-current two-dimensional fuzzy model | |
| CN102062390B (en) | Three-impulse control method of waste heat boiler steam drum water level | |
| CN102109853A (en) | Gas mass flow rate controller based on double CPUs (central processing units) | |
| CN203562983U (en) | Multi-motor synchronous control system | |
| CN212455678U (en) | PLC-based electric valve opening control system | |
| CN201672139U (en) | Intelligent valve positioner | |
| CN112286125B (en) | Event-triggered fixed-time fault-tolerant control method and system for motor-driven fan | |
| CN204967686U (en) | Brushless DC motor position tracking controller based on fuzzy control | |
| CN204278019U (en) | A kind of delta parallel manipulator control system | |
| CN202948335U (en) | Gas mass flow control apparatus based on double CPU | |
| CN202360852U (en) | High-temperature fluid detection system | |
| CN107404212A (en) | Frequency converter frequency PID gives autocontrol method | |
| CN114200981A (en) | Distillation tower top temperature control system and method | |
| CN202280907U (en) | Field bus-type valve electric device | |
| CN201359702Y (en) | Mobile robot controller based on MSP430 single chip microcomputer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110615 |