CN207164603U - A kind of high precision closed loop controls humidity generator - Google Patents
A kind of high precision closed loop controls humidity generator Download PDFInfo
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- CN207164603U CN207164603U CN201721283371.0U CN201721283371U CN207164603U CN 207164603 U CN207164603 U CN 207164603U CN 201721283371 U CN201721283371 U CN 201721283371U CN 207164603 U CN207164603 U CN 207164603U
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- mixing chamber
- master controller
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- saturator
- closed loop
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Abstract
It the utility model is related to humidity generator field, especially a kind of high precision closed loop control humidity generator, including No.1 cylinder, No. two cylinders, saturator, No.1 stepper motor, No. two stepper motors, No.1 expansion valve, No. two expansion valves, mixing chamber, micro- water detector, master controller.A kind of high precision closed loop control humidity generator obtained by the utility model, controls No.1 expansion valve and No. two expansion valves to automatically adjust, realizes the automatic control and adjustment to humidity to reach required setting value by master controller.
Description
Technical field
Humidity generator field is the utility model is related to, especially a kind of high precision closed loop control humidity generator.
Background technology
The measurement of humidity has a wide range of applications in environment measuring, industrial production and sphere of life.In power industry,
Safe operation of the humid control for ensureing equipment in arc-extinguishing medium is significant.Thus it is guaranteed that dust humidity detection system
Normal work, accurate measurement moisture content is highly important.
To ensure the normal precisely work of dust humidity detection system, it is necessary to be carried out by humidity generator to moisture measurement instrument
Demarcation and calibration.Humidity generator is in certain pressure with a temperature of, produces the equipment for specifying specified moisture gas.By wet
Degree generator can be calibrated and demarcated to Humidity Detection instrument.As in dust humidity detection system, the ring in calibrating gas source is produced
Section, it is extremely crucial for the normal work of whole system.
Humidity generator generally use double platen press, dual-temperature process, osmosis and shuntings carry out the proportioning of humidity and control
System.Two-pressure method volume is larger, and experimental situation requirement is strict；Dual-temperature process can not continuously export constant humidity gas, and
Equilibration time required for magnitude transform is longer；Shunting humidity generator reliability is high, and the degree of accuracy is higher, small volume, structure
Relatively easy, it is short to reach the time of stable generation, is rapidly reached set humidity point after changing humidity point, and can provide larger flow
It is suitable scene and laboratory use.
Existing humidity generator is non-Automatic Control, can not be adjusted automatically.
Utility model content
The purpose of this utility model be in order to solve above-mentioned technology deficiency and fully automated control can be realized by providing one kind
The high precision closed loop control humidity generator of regulation.
In order to achieve the above object, a kind of high precision closed loop control humidity generator designed by the utility model, including
No.1 cylinder, No. two cylinders, saturator, No.1 stepper motor, No. two stepper motors, No.1 expansion valve, No. two expansion valves, mixing
Room, micro- water detector, master controller；Described No.1 cylinder, No. two cylinders are respectively used to input dry air, No.1 cylinder
It is connected with mixing chamber, No. two cylinders are connected with saturator, and described saturator is connected with mixing chamber, in No.1 cylinder and mixing chamber
No.1 expansion valve is provided with the pipeline being connected, No. two expansion valves are provided with the pipeline that saturator is connected with mixing chamber,
Described mixing chamber is connected with micro- water detector, and micro- water detector is connected with master controller, and described master controller includes
Computer and PLC, master controller control are connected with No.1 stepper motor and No. two stepper motors, No.1 step motor control one
Number expansion valve is adjusted, and No. two expansion valves of No. two step motor controls are adjusted.
Above-mentioned technical proposal, distilled water, specific work process are filled in saturator：The air of drying after treatment enters
Enter No.1 cylinder, No. two cylinders, mixing chamber is directly entered by the air of No.1 cylinder, and the air for entering No. two cylinders passes through
Enter back into mixing chamber after saturator, described No.1 stepper motor, No. two stepper motors control respectively No.1 expansion valve, No. two it is swollen
Swollen valve, for controlling dry gas and flux of moisture into mixing chamber, the mixed gas of mixing chamber passes through micro- water detector, to wet
Degree is measured, and outputs signal to master controller, and master controller is analyzed signal, and setting value is compared,
Finally by PLC output control No.1s stepper motor, No. two stepper motor actions, dry gas and wet gas current of the control into mixing chamber
Amount, realizes and humidity is automatically adjusted, and degree of regulation is high.
A kind of high precision closed loop control humidity generator obtained by the utility model, No.1 is controlled by master controller
Expansion valve and No. two expansion valves automatically adjust, and realize the automatic control and adjustment to humidity to reach required setting value.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below by embodiment combination accompanying drawing, the utility model will be further described.
Embodiment 1：
As shown in figure 1, a kind of high precision closed loop control humidity generator of the present embodiment description, including No.1 cylinder 1, two
Number cylinder 2, saturator 3,4, No. two stepper motors 5 of No.1 stepper motor, 6, No. two expansion valves 7 of No.1 expansion valve, mixing chamber 8,
Micro- water detector 9, master controller 10；Described 1, No. two cylinder 2 of No.1 cylinder is respectively used to input dry air, No.1 gas
Cylinder 1 is connected with mixing chamber 8, and No. two cylinders 2 are connected with saturator 3, and described saturator 3 is connected with mixing chamber 8, in No.1 cylinder
No.1 expansion valve 6 is provided with 1 pipeline being connected with mixing chamber 8, is set on the pipeline that saturator 3 is connected with mixing chamber 8
There are No. two expansion valves 7, described mixing chamber 8 is connected with micro- water detector 9, and micro- water detector 9 is connected with master controller 10, institute
The master controller 10 stated includes computer and PLC, and the control of master controller 10 is connected with No.1 stepper motor 4 and No. two steppings
Motor 5, No.1 stepper motor 4 control No.1 expansion valve 6 to be adjusted, and No. two stepper motors 5 control No. two expansion valves 7 to be adjusted
Section.
Distilled water, specific work process are filled in saturator 3：The air of drying after treatment enter No.1 cylinder 1,
No. two cylinders 2, mixing chamber 8 is directly entered by the air of No.1 cylinder 1, and the air for entering No. two cylinders 2 passes through saturator 3
After enter back into mixing chamber 8, described 4, No. two stepper motors 5 of No.1 stepper motor control 6, No. two expansions of No.1 expansion valve respectively
Valve 7, for controlling dry gas and flux of moisture into mixing chamber 8,8 mixed gas of mixing chamber passes through micro- water detector 9, right
Humidity is measured, and outputs signal to master controller 10, and master controller 10 is analyzed signal, and setting value is carried out
Compare, finally acted by 4, No. two stepper motors 5 of PLC output control No.1s stepper motor, control into mixing chamber 8 dry gas and
Flux of moisture, realize and humidity is automatically adjusted, and degree of regulation is high.
Claims (1)
1. a kind of high precision closed loop controls humidity generator, it is characterized in that：Including No.1 cylinder, No. two cylinders, saturator, No.1s
Stepper motor, No. two stepper motors, No.1 expansion valve, No. two expansion valves, mixing chamber, micro- water detector, master controller；It is described
No.1 cylinder, No. two cylinders be respectively used to input dry air, No.1 cylinder is connected with mixing chamber, No. two cylinders and saturator
Connection, described saturator are connected with mixing chamber, and No.1 expansion is provided with the pipeline that No.1 cylinder is connected with mixing chamber
Valve, No. two expansion valves being provided with the pipeline that saturator is connected with mixing chamber, described mixing chamber is connected with micro- water detector,
Micro- water detector is connected with master controller, and described master controller includes computer and PLC, master controller control connection
There are No.1 stepper motor and No. two stepper motors, No.1 step motor control No.1 expansion valve is adjusted, No. two stepper motors
No. two expansion valves of control are adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721283371.0U CN207164603U (en) | 2017-09-30 | 2017-09-30 | A kind of high precision closed loop controls humidity generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721283371.0U CN207164603U (en) | 2017-09-30 | 2017-09-30 | A kind of high precision closed loop controls humidity generator |
Publications (1)
| Publication Number | Publication Date |
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| CN207164603U true CN207164603U (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721283371.0U Active CN207164603U (en) | 2017-09-30 | 2017-09-30 | A kind of high precision closed loop controls humidity generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828144A (en) * | 2018-05-02 | 2018-11-16 | 郑州迪邦科技有限公司 | Humidity device1 |
-
2017
- 2017-09-30 CN CN201721283371.0U patent/CN207164603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828144A (en) * | 2018-05-02 | 2018-11-16 | 郑州迪邦科技有限公司 | Humidity device1 |
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