CN113267703A - Off-line proportional valve detection device and using method thereof - Google Patents
Off-line proportional valve detection device and using method thereof Download PDFInfo
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- CN113267703A CN113267703A CN202110749030.2A CN202110749030A CN113267703A CN 113267703 A CN113267703 A CN 113267703A CN 202110749030 A CN202110749030 A CN 202110749030A CN 113267703 A CN113267703 A CN 113267703A
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- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention discloses an off-line proportional valve detection device, which relates to the technical field of tire manufacturing and other proportional valves, in particular to an accommodating frame and a base, wherein a limiting groove is irregularly arranged in the accommodating frame, an air cylinder is arranged at the upper end in the accommodating frame, an electromagnetic valve is arranged at the lower end outside the air cylinder, a proportional valve is arranged at one end of the electromagnetic valve, an air inlet is arranged at the left end outside the proportional valve, and a connecting pipe is arranged at one end outside the air inlet. The off-line proportional valve detection device adopts an AB frequency converter, has an analog quantity output function, realizes the change of output between 0 and 20ma by adjusting parameters, controls the output pressure of the proportional valve to be lower than a set value or the output pressure to be uncontrolled due to impurities in an air source and the like, needs to clean and repair an internal air path, and needs to verify whether the output pressure is normal after cleaning, thereby being capable of off-line detecting whether the output pressure of the proportional valve is normal, reducing secondary replacement and solving the problem on line.
Description
Technical Field
The invention relates to the technical field of tire manufacturing and other proportional valve application, in particular to an off-line proportional valve detection device and a using method thereof.
Background
The electric proportional valve of the tire building machine adjusts the output pressure by changing current or voltage signals, controls the pressure of an air cylinder actuating mechanism, the pressure in a capsule and the like, and the influence of the pressure on products is very critical.
The existing proportional valve detection device is inconvenient to judge whether the proportional valve leaks or not in the use process, needs to carry out online detection on the proportional valve, and has the problems of inconvenience in use, inconvenience in controlling the pressure of an air cylinder actuating mechanism and the like.
Disclosure of Invention
The invention provides an off-line proportional valve detection device, aiming at overcoming the defects of the prior art, and solving the problems that the conventional proportional valve detection device is inconvenient to judge whether a proportional valve leaks or not in the use process, needs to perform on-line detection, is inconvenient to use, is inconvenient to control the pressure of an air cylinder actuating mechanism and the like in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: an off-line proportional valve detection device comprises a containing frame and a base, wherein a limiting groove is irregularly arranged in the containing frame, a cylinder is installed at the upper end inside the containing frame, a solenoid valve is installed at the lower end outside the cylinder, a proportional valve is arranged at one end of the solenoid valve, an air inlet is installed at the left end outside the proportional valve, a connecting pipe is arranged at one end outside the air inlet, a pressure reducing valve is installed at one end outside the connecting pipe, an air source is arranged at one end outside the pressure reducing valve, a manual regulating valve is installed at one end outside the air source, a frequency converter is arranged at the right end outside the proportional valve, limiting components are installed at the upper end and the lower end outside the frequency converter, an auxiliary component is arranged at the right end outside the containing frame and comprises a shielding plate, a limiting sleeve plate, a limiting column, a connecting shaft and a connecting block, the middle part inside the limiting sleeve plate penetrates through the connecting shaft, and the outside both ends of connecting axle all install and link up the piece, the outside one end of spacing lagging is connected with the shielding plate, and the inside of shielding plate is provided with spacing post, hold the outside left end of frame and install the adsorption plate, and the outside of adsorption plate bottom is provided with built-in groove, the internally mounted in built-in groove has dustproof dish, the base is located the bottom that holds the frame.
Optionally, an integrated structure is arranged between the shielding plate and the limiting sleeve plate, the middle part inside the limiting sleeve plate is movably connected with the connecting shaft, and the two ends of the outside of the connecting shaft are tightly attached to the connecting block.
Optionally, an integrated structure is formed between the shielding plate and the limiting column, and the shape structure of the outer portion of the limiting column is matched with the shape structure of the inner portion of the limiting groove.
Optionally, the limiting assembly comprises a positioning plate, a connecting spring and a fixing plate, the connecting spring is installed at one end outside the positioning plate, the fixing plate is installed at one end outside the connecting spring, the fixing plate and the connecting spring are fixedly connected, and the connecting spring is distributed equidistantly.
Optionally, the frequency converter uses an AB frequency converter, and an analog quantity output function of the frequency converter is provided, and the output is changed between 0ma and 20ma by adjusting parameters, so as to control the output pressure of the proportional valve.
Optionally, the proportional valve is used for controlling the output pressure by adjusting the current of the proportional electromagnet coil.
Optionally, the frequency converter parameter setting P65 is 10, when testing the proportional valve, the manual regulating valve is first connected to the air source, and the pressure value is adjusted to a proper value, usually 0.6MP, as required, and the circuit breaker and the contactor start button are arranged in front of the frequency converter power supply, the start button is pressed to start power supply to the frequency converter power supply, the frequency converter operates, and the output current of the frequency converter parameter is adjusted to change between 4 and 20 ma.
Optionally, the air source is connected, the air inlet of the proportional valve is connected, the PU hose is connected with the air inlet and the air outlet, the output proportion of the frequency converter is adjusted at the moment, the output current is changed between 4 and 20ma, and the output pressure of the proportional valve is changed within a set range.
Optionally, the output end of the proportional valve is connected to the cylinder, and the cylinder stretches when pressure is output.
Optionally, the use method of the offline proportional valve detection device includes the following steps:
a. the power circuit breaker is opened.
b. And measuring whether the voltage at the lower side of the circuit breaker meets the requirement.
c. The main gas source is switched on.
d. The pressure relief valve is rotated clockwise to a maximum limit.
e. A start button on the downconverter operating panel is pressed.
f. The black knob of the operation panel of the frequency converter is rotated counterclockwise until the frequency value of the frequency converter is displayed as 0, and if the frequency value is 0, the step is skipped.
g. And rotating the knob of the operation panel of the frequency converter clockwise.
h. And rotating to display the frequency value of the operation panel of the frequency converter.
i. The display pressure of the proportional valve was observed.
j. And sequentially pressing start and stop buttons of the electromagnetic valve to observe the action of the air cylinder rod.
k. The black knob of the operation panel of the frequency converter is rotated counterclockwise until the frequency value of the frequency converter is displayed as 0.
And l, pressing a stop button on the down converter operation panel.
The invention provides an off-line proportional valve detection device, which has the following beneficial effects:
the proportional valve can be designed by utilizing a wiring three-wire system, so that the proportional valve has a power supply anode, a power supply cathode and a signal, an off-line test can be carried out, the output pressure is lower than a set value or is not controlled due to impurities in an air source, the internal air circuit needs to be cleaned and repaired at the moment, whether the output pressure is normal or not needs to be verified after cleaning, secondary replacement can be reduced, the problem can be solved on line, and whether the output pressure of the proportional valve meets the use requirement or not can be tested.
1. The off-line proportional valve detection device adopts an AB frequency converter, has an analog quantity output function, realizes the change of output between 0 and 20ma by adjusting parameters, controls the output pressure of the proportional valve to be lower than a set value or the output pressure to be uncontrolled due to impurities in an air source and the like, needs to clean and repair an internal air path, and needs to verify whether the output pressure is normal after cleaning, thereby being capable of off-line detecting whether the output pressure of the proportional valve is normal or not, reducing secondary replacement and solving the problem on line;
2. according to the off-line proportional valve detection device, the proportional valve is used for controlling output pressure by adjusting the current of the proportional electromagnet coil, the device is widely applied to the industrial field, the function of pressure loading and rotating is realized by replacing a manual adjusting valve and a plurality of electromagnetic valves, the pressure real-time adjustment and control precision is high, and a user can conveniently use the device;
3. the off-line proportional valve detection device can judge whether the output pressure is consistent with the given pressure or not by displaying the pressure through the numbers on the proportional valve, if the output pressure is consistent with the given pressure, the proportional valve can be normally used, is not required to be repaired again, does not meet the requirement for two times, has no repair value, is abandoned, and is convenient for a user to judge;
4. according to the off-line proportional valve detection device, analog quantity input and output functions are integrated in a frequency converter, the analog quantity output can be realized through related parameter setting, two signals of current and voltage are output through the analog quantity, and the analog quantity output is realized through parameter setting according to the requirements of the proportional valve;
5. this off-line proportional valve detection device, can utilize spacing lagging, the interact between connecting axle and the linking piece can rotate the shielding plate, can hold the frame through the rotation and shelter from the protection, avoid its interior subassembly to expose the outside for a long time when need not using detection device, and after the rotation each other the joint is in the same place between spacing post and the spacing groove, can carry out spacing protection to inside spare part among the detection device, can play good shock attenuation effect at the removal in-process, and the effect of the usable connecting spring elasticity of converter is in step to cooperate the locating plate and carry out preliminary spacing, convenient to use person's later stage is overhauld it and is maintained.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of a partial structure of the accommodating frame of the present invention;
FIG. 3 is a schematic view of the pneumatic principle of the present invention;
FIG. 4 is a schematic diagram of the electrical principle of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. an accommodating frame; 2. a cylinder; 3. an electromagnetic valve; 4. a limiting groove; 5. a gas source; 6. a manual regulating valve; 7. a pressure reducing valve; 8. a connecting pipe; 9. an air inlet; 10. a proportional valve; 11. a frequency converter; 12. an auxiliary component; 121. a shielding plate; 122. a limiting sleeve plate; 123. a limiting column; 124. a connecting shaft; 125. a joining block; 13. an adsorption plate; 14. a built-in groove; 15. a dust-proof disc; 16. a base; 17. extending the electromagnetic valve; 18. a solenoid valve is contracted; 19. a limiting component; 191. positioning a plate; 192. a connecting spring; 193. and (7) fixing the plate.
Detailed Description
Referring to fig. 1 to 5, the present invention provides a technical solution: an off-line proportional valve detection device comprises a containing frame 1, a cylinder 2, an electromagnetic valve 3, a limiting groove 4, an air source 5, a manual regulating valve 6, a pressure reducing valve 7, a connecting pipe 8, an air inlet 9, a proportional valve 10, a frequency converter 11, an auxiliary component 12, a baffle plate 121, a limiting sleeve plate 122, a limiting column 123, a connecting shaft 124, a connecting block 125, an adsorption plate 13, an embedded groove 14, a dustproof disc 15, a base 16, an extension electromagnetic valve 17, a contraction electromagnetic valve 18, a limiting component 19, a positioning plate 191, a connecting spring 192 and a fixing plate 193, wherein the limiting groove 4 is irregularly arranged in the containing frame 1, the cylinder 2 is arranged at the upper end in the containing frame 1, the electromagnetic valve 3 is arranged at the lower end outside the cylinder 2, the proportional valve 10 is arranged at one end of the electromagnetic valve 3, the air inlet 9 is arranged at the left end outside the proportional valve 10, the output end of the proportional valve 10 is connected into the cylinder 2, and the cylinder 2 stretches out and draws back when pressure is output, a connecting pipe 8 is arranged at one end outside the air inlet 9, a pressure reducing valve 7 is arranged at one end outside the connecting pipe 8, an air source 5 is arranged at one end outside the pressure reducing valve 7, a manual regulating valve 6 is arranged at one end outside the air source 5, a frequency converter 11 is arranged at the right end outside the proportional valve 10, limiting components 19 are arranged at the upper end and the lower end outside the frequency converter 11, an auxiliary component 12 is arranged at the right end outside the containing frame 1, the auxiliary component 12 comprises a shielding plate 121, a limiting sleeve plate 122, a limiting column 123, a connecting shaft 124 and a connecting block 125, the connecting shaft 124 penetrates through the middle part inside the limiting sleeve plate 122, the connecting block 125 is arranged at both ends outside the connecting shaft 124, the shielding plate 121 is connected at one end outside the limiting sleeve plate 122, the limiting column 123 is arranged inside the shielding plate 121, the connecting shaft 121 and the limiting sleeve plate 122 are of an integrated structure, and the middle part inside the limiting sleeve plate 122 is movably connected with the connecting shaft 124, the two ends of the outer part of the connecting shaft 124 are tightly attached to the connecting blocks 125, the shielding plate 121 and the limiting column 123 are of an integrated structure, the shape structure of the outer part of the limiting column 123 is matched with the shape structure of the inner part of the limiting groove 4, the left end of the outer part of the containing frame 1 is provided with the adsorption plate 13, the outer part of the bottom of the adsorption plate 13 is provided with the built-in groove 14, the inner part of the built-in groove 14 is provided with the dustproof disc 15, and the base 16 is positioned at the bottom of the containing frame 1;
the specific operation is as follows, can utilize spacing lagging 122, the interact between connecting axle 124 and the linking piece 125 can rotate shielding plate 121, can hold frame 1 through the rotation and shelter from the protection, avoid its interior subassembly to expose the outside for a long time when need not using detection device, and after the rotation spacing post 123 and spacing groove 4 between each other the joint be in the same place, can carry out spacing protection to inside spare part among the detection device, can play good shock attenuation effect at the removal in-process, the design of usable spacing subassembly 19 can carry out preliminary spacing processing to converter 11 simultaneously.
As shown in fig. 1 and 5, the limiting assembly 19 includes a positioning plate 191, a connecting spring 192 and a fixing plate 193, the connecting spring 192 is mounted at one end of the outside of the positioning plate 191, the fixing plate 193 is mounted at one end of the outside of the connecting spring 192, the fixing plate 193 is fixedly connected with the connecting spring 192, and the connecting springs 192 are distributed at equal intervals;
the effect of the usable connecting spring 192 elasticity of converter 11 is in step cooperated with locating plate 191 to carry out preliminary spacing, and the convenience of use later stage is overhauled and maintained to it.
As shown in figures 1 and 3, the frequency converter 11 uses an AB frequency converter, and the self-contained analog quantity output function realizes the output change between 0 and 20ma by adjusting parameters, controls the output pressure of the proportional valve 10, and the proportional valve 10 is used for controlling the output pressure by adjusting the current of the proportional electromagnet coil.
The output pressure is lower than the set value or is not controlled due to impurities in the air source 5, the internal air path needs to be cleaned and repaired, and whether the output pressure is normal or not needs to be verified after cleaning, so that whether the output pressure of the proportional valve 10 is normal or not can be detected off line, secondary replacement is reduced, and the problem can be solved on line.
As shown in fig. 1, fig. 3 and fig. 4, the parameter setting P65 of the frequency converter 11 is 10, when the proportional valve 10 is tested, the manual regulating valve 6 is firstly connected to the air source 5, and is regulated to a proper pressure value, usually 0.6MP, as required, and the power supply of the frequency converter 11 is preceded by a circuit breaker, a contactor start button, the power supply of the frequency converter 11 is started by pressing the start button, the frequency converter 11 is operated, and the parameter output current of the frequency converter 11 is regulated to change between 4 ma and 20 ma;
the frequency converter 11 is integrated with analog input and output functions, the analog output can be realized through related parameter setting, the analog output has two signals of current and voltage, and the analog output is realized through parameter setting according to the requirement of the proportional valve 10.
As shown in fig. 1, fig. 3 and fig. 4, the air source 5 is connected, the air inlet of the proportional valve 10 is connected, the PU hose is connected with the air inlet 9 and the air outlet, at this time, the output proportion of the frequency converter 11 is adjusted, so that the output current is changed between 4 ma and 20ma, and the output pressure of the proportional valve 10 is changed within a set range;
the proportional valve 10 is used for controlling output pressure by adjusting the current of a proportional electromagnet coil, is widely applied in the industrial field, replaces a manual adjusting valve 6 and a plurality of electromagnetic valves 3 to realize the function of pressure loading and rotating, has high pressure real-time adjustment control precision, is convenient for a user to use, can judge whether the output pressure is consistent with given pressure or not by displaying the pressure through a number on the proportional valve 10, can be normally used if the proportional valve is consistent with the given pressure, is repaired again if the pressure is not consistent with the given pressure, does not meet the requirement, does not have repair value and is abandoned, and is convenient for the user to judge if the output pressure is not consistent with the given pressure.
The use method of the off-line proportional valve detection device comprises the following steps:
a. the power circuit breaker is opened.
b. And measuring whether the voltage at the lower side of the circuit breaker meets the requirement.
c. The main gas source 5 is switched on.
d. The pressure reducing valve 7 is rotated clockwise to the maximum limit.
e. The downconverter 11 is pressed to operate the start button (green) on the panel.
f. The black knob of the operation panel of the frequency converter 11 is rotated counterclockwise until the frequency value of the frequency converter 11 shows 0, and this step is skipped if it is 0.
g. Rotating the inverter 11 clockwise operates the panel knob (black).
h. Rotating to inverter operation 11 operates panel frequency value display 50.
i. The display pressure of the proportional valve 10 is observed.
j. The start and stop buttons of the electromagnetic valve 3 are pressed in sequence, and the action of the air cylinder rod is observed.
k. The black knob of the operation panel of the frequency converter 11 is rotated counterclockwise until the frequency value of the frequency converter 11 shows 0.
l, press down the stop button (red) on the down converter 11 operating panel.
In summary, when the off-line proportional valve detecting device is used, a power supply breaker is turned on, a parameter setting P65 of a frequency converter 11 is 10, when the proportional valve 10 is tested, a manual regulating valve 6 is firstly connected to an air source 5, the pressure value is regulated to a proper pressure value as required, the pressure value is usually 0.6MP, a breaker is arranged in front of a power supply of the frequency converter 11, a contactor starting button is arranged, the starting button is pressed to start power supply of the frequency converter 11, the frequency converter 11 operates, the parameter output current of the frequency converter 11 is regulated to change between 4 and 20ma, analog quantity input and output functions are integrated in the frequency converter 11, the analog quantity output can be realized through related parameter setting, the analog quantity output has two signals of current and voltage, the operation is realized through parameter setting according to the requirement of the proportional valve 10, the method can test whether the output pressure of the proportional valve 10 meets the use requirement or not, a main air source 5 is turned on, a pressure reducing valve 7 is rotated clockwise to the maximum limit, pressing a start button (green) on an operation panel of a down converter 11, rotating a black knob of the operation panel of the frequency converter 11 anticlockwise until a frequency value of the frequency converter 11 is displayed as 0, if the step is skipped by 0, rotating the knob (black) of the operation panel of the frequency converter 11 clockwise, rotating the frequency value display 50 of the operation panel of the frequency converter 11, observing the display pressure of a proportional valve 10, wherein the proportional valve 10 is used for controlling the output pressure by adjusting the current of a proportional electromagnet coil, the application in the industrial field is wide, the proportional valve replaces a manual regulating valve 6 and a plurality of electromagnetic valves 3 to realize the pressure loading and rotating function, the pressure real-time adjustment control precision is high, the proportional valve is convenient for a user to use, whether the output pressure is consistent with the given pressure or not can be judged by the digital display pressure on the proportional valve 10, if the proportional valve is consistent with the given pressure, the proportional valve can be normally used, and the proportional valve can be repaired again if the output pressure is not consistent with the given pressure, the frequency value of the frequency converter 11 operation panel is not restored, the frequency value is not satisfied, the frequency value is abandoned, the judgment is convenient for a user, the starting button and the stopping button of the electromagnetic valve 3 are sequentially pressed, the action of the air cylinder rod is observed, the black knob of the frequency converter 11 operation panel is rotated anticlockwise until the frequency value of the frequency converter 11 is displayed as 0, and the stopping button (red) on the frequency converter 11 operation panel is pressed.
Claims (10)
1. Off-line proportional valve detection device, which is characterized by comprising a containing frame (1) and a base (16), wherein a limiting groove (4) is irregularly arranged in the containing frame (1), a cylinder (2) is installed at the upper end in the containing frame (1), a solenoid valve (3) is installed at the lower end outside the cylinder (2), one end of the solenoid valve (3) is provided with a proportional valve (10), an air inlet (9) is installed at the left end outside the proportional valve (10), one end outside the air inlet (9) is provided with a connecting pipe (8), a reducing valve (7) is installed at one end outside the connecting pipe (8), one end outside the reducing valve (7) is provided with an air source (5), a manual regulating valve (6) is installed at one end outside the air source (5), a frequency converter (11) is arranged at the right end outside the proportional valve (10), and limiting components (19) are installed at the upper end and the lower end outside the frequency converter (11), an auxiliary assembly (12) is arranged at the right end outside the containing frame (1), the auxiliary assembly (12) comprises a shielding plate (121), a limiting sleeve plate (122), a limiting column (123), a connecting shaft (124) and a connecting block (125), the connecting shaft (124) penetrates through the middle part inside the limiting sleeve plate (122), and the two ends outside the connecting shaft (124) are both provided with a connecting block (125), one end outside the limiting sleeve plate (122) is connected with a shielding plate (121), a limiting column (123) is arranged inside the shielding plate (121), an adsorption plate (13) is arranged at the left end outside the containing frame (1), and the outer part of the bottom of the adsorption plate (13) is provided with an internal groove (14), the internal part of the internal groove (14) is provided with a dustproof disc (15), the base (16) is located at the bottom of the containing frame (1), and one end of the electromagnetic valve (3) is electrically connected with an extending electromagnetic valve (17) and a contracting electromagnetic valve (18).
2. The off-line proportional valve detecting device of claim 1, wherein the shielding plate (121) and the limiting sleeve plate (122) are of an integrated structure, the middle part of the inside of the limiting sleeve plate (122) is movably connected with the connecting shaft (124), and two ends of the outside of the connecting shaft (124) are tightly attached to the connecting block (125).
3. The off-line proportional valve detection device of claim 1, wherein the shielding plate (121) and the limiting column (123) are integrated, and the shape structure of the outside of the limiting column (123) is matched with the shape structure of the inside of the limiting groove (4).
4. The off-line proportional valve detection device of claim 1, wherein the limiting assembly (19) comprises a positioning plate (191), a connecting spring (192) and a fixing plate (193), the connecting spring (192) is installed at one end of the outer portion of the positioning plate (191), the fixing plate (193) is installed at one end of the outer portion of the connecting spring (192), the fixing plate (193) is fixedly connected with the connecting spring (192), and the connecting springs (192) are distributed equidistantly.
5. The off-line proportional valve detecting device of claim 1, wherein the frequency converter (11) uses an AB frequency converter, and an analog quantity output function is carried by the frequency converter, so that the output is changed between 0 and 20ma by adjusting parameters, and the output pressure of the proportional valve (10) is controlled.
6. The off-line proportional valve sensing device of claim 1, wherein the proportional valve (10) functions to control output pressure by adjusting the magnitude of proportional solenoid current.
7. The off-line proportional valve detecting device of claim 1, wherein the parameter setting P65 of the frequency converter (11) is 10, when the proportional valve (10) is tested, the manual regulating valve (6) is firstly connected to the air source (5) and is adjusted to a proper pressure value, usually 0.6MP, as required, a breaker and a contactor start button are arranged in front of the power supply of the frequency converter (11), the power supply of the frequency converter (11) is started by pressing the start button, the frequency converter (11) operates, and the parameter output current of the frequency converter (11) is adjusted to change between 4 and 20 ma.
8. The off-line proportional valve detecting device of claim 1, wherein the air source (5) is connected, the air inlet of the proportional valve (10) is connected, the PU hose is connected with the air inlet (9) and the air outlet, the output proportion of the frequency converter (11) is adjusted at the moment, the output current is changed between 4 and 20ma, and the output pressure of the proportional valve (10) is changed within a set range.
9. The off-line proportional valve detecting device as claimed in claim 1, wherein the output end of the proportional valve (10) is connected to the cylinder (2), and the cylinder (2) stretches when a pressure is output.
10. The using method of the off-line proportional valve detection device is characterized in that: the method uses the off-line proportional valve testing apparatus of any of claims 1-9, wherein the method comprises the steps of:
a. the power circuit breaker is opened.
b. And measuring whether the voltage at the lower side of the circuit breaker meets the requirement.
c. The main gas source (5) is switched on.
d. The pressure reducing valve (7) is rotated clockwise to a maximum limit.
e. A start button on the down converter (11) operation panel is pressed.
f. The black knob of the operation panel of the frequency converter (11) is rotated counterclockwise until the frequency value of the frequency converter (11) shows 0, and if 0, the step is skipped.
g. The frequency converter (11) is rotated clockwise to operate the panel knob.
h. The rotary to transducer operation (11) operates a panel frequency value display 50.
i. The display pressure of the proportional valve (10) is observed.
j. The start button and the stop button of the electromagnetic valve (3) are pressed in sequence, and the action of the air cylinder rod is observed.
k. The black knob of the operation panel of the frequency converter (11) is rotated counterclockwise until the frequency value of the frequency converter (11) is displayed as 0.
l, pressing a stop button on an operation panel of the down converter (11).
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| CN202110749030.2A CN113267703A (en) | 2021-07-02 | 2021-07-02 | Off-line proportional valve detection device and using method thereof |
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| CN202110749030.2A CN113267703A (en) | 2021-07-02 | 2021-07-02 | Off-line proportional valve detection device and using method thereof |
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| CN103091095A (en) * | 2013-01-11 | 2013-05-08 | 浙江大学台州研究院 | Pneumatic proportion pressure valve testing device |
| CN107976303A (en) * | 2017-05-25 | 2018-05-01 | 宁波方太厨具有限公司 | Gas ratio valve detecting tool and detection method |
| US20210172998A1 (en) * | 2017-11-06 | 2021-06-10 | Vitesco Technologies Germany Gmbh | Method for checking the plausibility of measurements of an actuator current and use of the method |
| CN217787252U (en) * | 2021-07-02 | 2022-11-11 | 朝阳浪马轮胎有限责任公司 | Off-line proportional valve detection device |
-
2021
- 2021-07-02 CN CN202110749030.2A patent/CN113267703A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201788084U (en) * | 2010-08-19 | 2011-04-06 | 杭州沃镭科技有限公司 | Pneumatic electromagnetic valve comprehensive performance detecting device based on PC control |
| CN103091095A (en) * | 2013-01-11 | 2013-05-08 | 浙江大学台州研究院 | Pneumatic proportion pressure valve testing device |
| CN107976303A (en) * | 2017-05-25 | 2018-05-01 | 宁波方太厨具有限公司 | Gas ratio valve detecting tool and detection method |
| US20210172998A1 (en) * | 2017-11-06 | 2021-06-10 | Vitesco Technologies Germany Gmbh | Method for checking the plausibility of measurements of an actuator current and use of the method |
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