CN103940557A - Device for testing sealing performance of motor valve - Google Patents
Device for testing sealing performance of motor valve Download PDFInfo
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- CN103940557A CN103940557A CN201410145070.6A CN201410145070A CN103940557A CN 103940557 A CN103940557 A CN 103940557A CN 201410145070 A CN201410145070 A CN 201410145070A CN 103940557 A CN103940557 A CN 103940557A
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- motor valve
- air pump
- control circuit
- led light
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Abstract
The invention discloses a device for testing the sealing performance of a motor valve. The device comprises a cabinet, a motor valve state control circuit, an air pump control circuit, an air pump, a pressure sensing circuit, a numeric comparison circuit and a test result display unit. The motor valve to be tested is adjusted to be in a closed state through the motor valve state control circuit, inflation and pressurization are carried out on the motor valve in the closed state through the air pump control circuit, the internal and external differential air pressure of the inflated motor is measured through the pressure sensing circuit, a measurement result is obtained, the measurement result is compared with a preset numerical value through the numeric comparison circuit, the information with respect to test qualification of the sealing performance of the motor valve is displayed when the comparison result shows that the measurement result is larger than the preset numerical value, and the information with respect to test disqualification of the sealing performance of the motor valve is displayed when the comparison result shows that the measurement result is smaller than the preset numerical value. According to the device, the sealing performance of the motor valve can be automatically tested, and testing efficiency is improved.
Description
Technical field
The present invention relates to motor valve detection field, particularly relate to a kind of device of testing of electric motors valve seal performance.
Background technology
In motor valve manufacturing, the motor valve product of just having produced, need to carry out sealing property test.The motor valve that sealing property is qualified, is only up-to-standard product.
In prior art, mainly, motor valve is adjusted to closed condition by staff to the method that motor valve is carried out to sealing property test, more whether the motor valve of testing under closed condition by tensimeter can bear air pressure to a certain degree.In practical application, staff can adopt aerating device to inflate the motor valve inside in closed condition, then reads the numerical value showing on tensimeter.If after inflation finishes, the numerical value on tensimeter, is greater than default value within a certain period of time, can determine the favorable sealing property of this motor valve, meets technological requirement.
But, the method of testing of electric motors valve seal performance of the prior art, owing to being that naked eyes by staff directly read the numerical value on tensimeter, itself there is error in the numerical value that naked eyes read, and in the time that the working time is longer, staff can produce fatigue, and error can further increase, and testing efficiency also can decline.
Summary of the invention
The object of this invention is to provide a kind of device of testing of electric motors valve seal performance, can realize the automatic test for motor valve sealing property, in prior art, the method for manually testing is compared, there is higher testing efficiency, and test result is more stable.
For achieving the above object, the invention provides following scheme:
A device for testing of electric motors valve seal performance, described device comprises:
Cabinet, motor valve state control circuit, air pump control circuit, air pump, pressure sensor circuit, numerical value comparator circuit, test result display unit;
The top layer of described cabinet is provided with multiple motor valve standing grooves; The output terminal of described motor valve state control circuit is positioned at described standing groove, by the on off state of output electrical signals control motor valve; The input end of described air pump control circuit is connected with described motor valve state control circuit, the output terminal of described air pump control circuit is connected with described air pump, when described motor valve state control circuit is adjusted to the motor valve being positioned in described standing groove after closed condition, air pump is to the motor valve inflating pressure in described standing groove described in the control of described air pump control circuit; The input end of described pressure sensor circuit is connected with described air pump control circuit, when air pump described in the control of described air pump control circuit completes after inflation, measures the atmospheric pressure value of the motor valve inside in described standing groove; Described numerical value comparator circuit is connected with the output terminal of described pressure sensor circuit, and described atmospheric pressure value and default value that described pressure sensor circuit is measured compare, and obtain comparative result; The input end of described test result display unit is connected with the output terminal of described numerical value comparator circuit, when described comparative result is when being greater than, show the sealing property test passes information about described motor valve, when described comparative result is when being less than, show the sealing property test failure information about described motor valve.
Optionally, described test result display unit is specially LED light, and described LED light is arranged on the top layer of described cabinet, has relation one to one with described standing groove;
Described LED light at least can show the first color and the second color;
When described comparative result is when being greater than, described LED light shows described the first color;
When described comparative result is when being less than, described LED light shows described the second color.
Optionally, test result display unit is specially display;
When described comparative result is when being greater than, described display shows the sealing property test passes information of described motor valve in the mode of figure or word;
When described comparative result is when being less than, show the sealing property test failure information of described motor valve in the mode of figure or word.
Optionally, the number of described standing groove is 6.
Optionally, the number of described LED light is 6.
Optionally, described LED light can show green and redness;
When described comparative result is when being greater than, described LED light shows described green;
When described comparative result is when being less than, described LED light shows described redness.
Optionally, the display that described display is desktop computer.
According to specific embodiment provided by the invention, the invention discloses following technique effect:
The device of the testing of electric motors valve seal performance of the embodiment of the present invention, by motor valve state control circuit, motor valve to be measured is adjusted to closed condition, by air pump control circuit, the motor valve in closed condition is carried out pneumatic compression, the poor measurement of inner and outer air pressure by pressure sensor circuit to the motor valve after inflating, obtain measurement result, compare and measure the size of result and default value by numerical value comparator circuit, when described comparative result is when being greater than, show the sealing property test passes information about described motor valve, when described comparative result is when being less than, show the sealing property test failure information about described motor valve, can realize the automatic test for motor valve sealing property, improve testing efficiency, and, owing to carrying out obtaining of atmospheric pressure value by pressure sensor circuit, can also avoid manual testing time, staff produces the error increase that fatigue causes.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the one-piece construction schematic diagram of the device embodiment 1 of testing of electric motors valve seal performance of the present invention;
Fig. 2 is integrated circuit control module structural representation of the present invention;
Fig. 3 is the one-piece construction schematic diagram of the device embodiment 2 of testing of electric motors valve seal performance of the present invention;
Fig. 4 is the one-piece construction schematic diagram of the device embodiment 3 of testing of electric motors valve seal performance of the present invention;
Fig. 5 is the one-piece construction schematic diagram of the device embodiment 4 of testing of electric motors valve seal performance of the present invention;
Fig. 6 is the one-piece construction schematic diagram of the device embodiment 5 of testing of electric motors valve seal performance of the present invention;
Fig. 7 is the one-piece construction schematic diagram of the device embodiment 6 of testing of electric motors valve seal performance of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the one-piece construction schematic diagram of the device embodiment 1 of testing of electric motors valve seal performance of the present invention.As shown in Figure 1, this device can comprise:
Cabinet 101, integrated circuit control module 102, air pump 103 and test result display unit 104.
Fig. 2 is integrated circuit control module structural representation of the present invention.As shown in Figure 2, integrated circuit control module 102 can comprise:
Motor valve state control circuit 1021, air pump control circuit 1022, pressure sensor circuit 1023, numerical value comparator circuit 1024.
As depicted in figs. 1 and 2, the top layer of described cabinet 101 is provided with multiple motor valve standing grooves 1011; The output terminal of described motor valve state control circuit 1021 is positioned at described standing groove 1011, by the on off state of output electrical signals control motor valve 1; The input end of described air pump control circuit 1022 is connected with described motor valve state control circuit 1021, the output terminal of described air pump control circuit 1022 is connected with described air pump 103, when described motor valve state control circuit 1021 is adjusted to the motor valve 1 being positioned in described standing groove 1011 after closed condition, described air pump control circuit 1022 is controlled described air pump 103 to motor valve 1 inflating pressure in described standing groove 1011; The input end of described pressure sensor circuit 1023 is connected with described air pump control circuit 1022, controls described air pump 103 complete after inflation when described air pump control circuit 1022, measures the atmospheric pressure value of motor valve 1 inside in described standing groove 1011; Described numerical value comparator circuit 1024 is connected with the output terminal of described pressure sensor circuit 1023, and described atmospheric pressure value and default value that described pressure sensor circuit 1023 is measured compare, and obtain comparative result; The input end of described test result display unit 104 is connected with the output terminal of described numerical value comparator circuit, when described comparative result is when being greater than, show the sealing property test passes information about described motor valve, when described comparative result is when being less than, show the sealing property test failure information about described motor valve.
The device of the testing of electric motors valve seal performance of the embodiment of the present invention, by motor valve state control circuit, motor valve to be measured is adjusted to closed condition, by air pump control circuit, the motor valve in closed condition is carried out pneumatic compression, the poor measurement of inner and outer air pressure by pressure sensor circuit to the motor valve after inflating, obtain measurement result, compare and measure the size of result and default value by numerical value comparator circuit, when described comparative result is when being greater than, show the sealing property test passes information about described motor valve, when described comparative result is when being less than, show the sealing property test failure information about described motor valve, can realize the automatic test for motor valve sealing property, improve testing efficiency, and, owing to carrying out obtaining of atmospheric pressure value by pressure sensor circuit, can also avoid manual testing time, staff produces the error increase that fatigue causes.
Fig. 3 is the one-piece construction schematic diagram of the device embodiment 2 of testing of electric motors valve seal performance of the present invention.As shown in Figure 3, this device can comprise:
Cabinet 101, integrated circuit control module 102, air pump 103 and LED light 1041.Compared with embodiment 1, in the present embodiment, test result display unit is specially LED light.Described LED light is arranged on the top layer of described cabinet, has relation one to one with described standing groove
In the present embodiment, annexation and the principle of work of the element in device are substantially the same manner as Example 1.That is:
The top layer of described cabinet 101 is provided with multiple motor valve standing grooves 1011; The output terminal of described motor valve state control circuit 1021 is positioned at described standing groove 1011, by the on off state of output electrical signals control motor valve 1; The input end of described air pump control circuit 1022 is connected with described motor valve state control circuit 1021, the output terminal of described air pump control circuit 1022 is connected with described air pump 103, when described motor valve state control circuit 1021 is adjusted to the motor valve 1 being positioned in described standing groove 1011 after closed condition, described air pump control circuit 1022 is controlled described air pump 103 to motor valve 1 inflating pressure in described standing groove 1011; The input end of described pressure sensor circuit 1023 is connected with described air pump control circuit 1022, controls described air pump 103 complete after inflation when described air pump control circuit 1022, measures the atmospheric pressure value of motor valve 1 inside in described standing groove 1011; Described numerical value comparator circuit 1024 is connected with the output terminal of described pressure sensor circuit 1023, and described atmospheric pressure value and default value that described pressure sensor circuit 1023 is measured compare, and obtain comparative result; The input end of described LED light 1041 is connected with the output terminal of described numerical value comparator circuit, when described comparative result is when being greater than, shows the first color, when described comparative result is when being less than, and demonstration the second color.
Concrete, in Fig. 3, the number of described LED light 104 can be 6, the number of described standing groove 1011 is also 6.So once can test the sealing property of 6 motor valves at most simultaneously.Whether a LED light is for qualified by the motor valve of lighting different standing grooves of color instruction.In practical application, in the time that the sealing property of described motor valve is qualified, described LED light can show green; In the time that the sealing property of described motor valve is defective, described LED light can show redness.
Fig. 4 is the one-piece construction schematic diagram of the device embodiment 3 of testing of electric motors valve seal performance of the present invention.As shown in Figure 4, this device can comprise:
Cabinet 101, integrated circuit control module 102, air pump 103 and display 1042.Compared with embodiment 1, in the present embodiment, test result display unit is specially display.Described display can receive the signal that numerical value comparator circuit sends, and carries out the whether qualified information indicating of sealing property test about described motor valve according to this signal.
In the present embodiment, annexation and the principle of work of the element in device are substantially the same manner as Example 1.That is:
The top layer of described cabinet 101 is provided with multiple motor valve standing grooves 1011; The output terminal of described motor valve state control circuit 1021 is positioned at described standing groove 1011, by the on off state of output electrical signals control motor valve 1; The input end of described air pump control circuit 1022 is connected with described motor valve state control circuit 1021, the output terminal of described air pump control circuit 1022 is connected with described air pump 103, when described motor valve state control circuit 1021 is adjusted to the motor valve 1 being positioned in described standing groove 1011 after closed condition, described air pump control circuit 1022 is controlled described air pump 103 to motor valve 1 inflating pressure in described standing groove 1011; The input end of described pressure sensor circuit 1023 is connected with described air pump control circuit 1022, controls described air pump 103 complete after inflation when described air pump control circuit 1022, measures the atmospheric pressure value of motor valve 1 inside in described standing groove 1011; Described numerical value comparator circuit 1024 is connected with the output terminal of described pressure sensor circuit 1023, and described atmospheric pressure value and default value that described pressure sensor circuit 1023 is measured compare, and obtain comparative result; The input end of display 1042 is connected with the output terminal of described numerical value comparator circuit, when described comparative result is when being greater than, shows the sealing property test passes information of described motor valve in the mode of figure or word; When described comparative result is when being less than, show the sealing property test failure information of described motor valve in the mode of figure or word.
Concrete, when test result is while being qualified, can show screen display " qualified " printed words, or show that screen display is to hooking pattern; When test result is while being defective, can show screen display " defective " printed words, or show screen display fork pattern etc.
Fig. 5 is the one-piece construction schematic diagram of the device embodiment 4 of testing of electric motors valve seal performance of the present invention.As shown in Figure 5, this device can comprise:
The display 1043 of cabinet 101, integrated circuit control module 102, air pump 103 and desktop computer.Compared with embodiment 1, in the present embodiment, test result display unit is specially the display of desktop computer.The display of described desktop computer can receive the signal that numerical value comparator circuit sends, and carries out the whether qualified information indicating of sealing property test about described motor valve according to this signal.
Adopt the display of desktop computer, can utilize the memory function of desktop computer, test result is stored; Can also utilize the control function of desktop computer, test process is controlled.
In the present embodiment, annexation and the principle of work of the element in device are substantially the same manner as Example 1.That is:
The top layer of described cabinet 101 is provided with multiple motor valve standing grooves 1011; The output terminal of described motor valve state control circuit 1021 is positioned at described standing groove 1011, by the on off state of output electrical signals control motor valve 1; The input end of described air pump control circuit 1022 is connected with described motor valve state control circuit 1021, the output terminal of described air pump control circuit 1022 is connected with described air pump 103, when described motor valve state control circuit 1021 is adjusted to the motor valve 1 being positioned in described standing groove 1011 after closed condition, described air pump control circuit 1022 is controlled described air pump 103 to motor valve 1 inflating pressure in described standing groove 1011; The input end of described pressure sensor circuit 1023 is connected with described air pump control circuit 1022, controls described air pump 103 complete after inflation when described air pump control circuit 1022, measures the atmospheric pressure value of motor valve 1 inside in described standing groove 1011; Described numerical value comparator circuit 1024 is connected with the output terminal of described pressure sensor circuit 1023, and described atmospheric pressure value and default value that described pressure sensor circuit 1023 is measured compare, and obtain comparative result; The input end of the display 1043 of desktop computer is connected with the output terminal of described numerical value comparator circuit, when described comparative result is when being greater than, shows the sealing property test passes information of described motor valve in the mode of figure or word; When described comparative result is when being less than, show the sealing property test failure information of described motor valve in the mode of figure or word.
Concrete, when test result is while being qualified, can show screen display " qualified " printed words, or show that screen display is to hooking pattern; When test result is while being defective, can show screen display " defective " printed words, or show screen display fork pattern etc.
Fig. 6 is the one-piece construction schematic diagram of the device embodiment 5 of testing of electric motors valve seal performance of the present invention.As shown in Figure 6, this device can comprise:
Cabinet 101, integrated circuit control module 102, air pump 103, LED light 1041 and display 1042.Compared with embodiment 1, in the present embodiment, test result display unit comprises LED light and display simultaneously.Described LED light and display all can receive the signal that numerical value comparator circuit sends, and carry out the whether qualified information indicating of sealing property test about described motor valve according to this signal.
In the present embodiment, annexation and the principle of work of the element in device are substantially the same manner as Example 1.That is:
The top layer of described cabinet 101 is provided with multiple motor valve standing grooves 1011; The output terminal of described motor valve state control circuit 1021 is positioned at described standing groove 1011, by the on off state of output electrical signals control motor valve 1; The input end of described air pump control circuit 1022 is connected with described motor valve state control circuit 1021, the output terminal of described air pump control circuit 1022 is connected with described air pump 103, when described motor valve state control circuit 1021 is adjusted to the motor valve 1 being positioned in described standing groove 1011 after closed condition, described air pump control circuit 1022 is controlled described air pump 103 to motor valve 1 inflating pressure in described standing groove 1011; The input end of described pressure sensor circuit 1023 is connected with described air pump control circuit 1022, controls described air pump 103 complete after inflation when described air pump control circuit 1022, measures the atmospheric pressure value of motor valve 1 inside in described standing groove 1011; Described numerical value comparator circuit 1024 is connected with the output terminal of described pressure sensor circuit 1023, and described atmospheric pressure value and default value that described pressure sensor circuit 1023 is measured compare, and obtain comparative result; The input end of the output terminal of LED light 1041 and display 1042 is all connected with the output terminal of described numerical value comparator circuit, when described comparative result is when being greater than, LED light 1041 can show the first color, and display 1042 can show in the mode of figure or word the sealing property test passes information of described motor valve simultaneously; When described comparative result is when being less than, LED light 1041 can show the second color, and display 1042 can show in the mode of figure or word the sealing property test failure information of described motor valve.
Fig. 7 is the one-piece construction schematic diagram of the device embodiment 6 of testing of electric motors valve seal performance of the present invention.As shown in Figure 7, this device can comprise:
The display 1043 of cabinet 101, integrated circuit control module 102, air pump 103, LED light 1041 and desktop computer.Compared with embodiment 1, in the present embodiment, test result display unit comprises the display of LED light and desktop computer simultaneously.The display of described LED light and desktop computer all can receive the signal that numerical value comparator circuit sends, and carries out the whether qualified information indicating of sealing property test about described motor valve according to this signal.
In the present embodiment, annexation and the principle of work of the element in device are substantially the same manner as Example 5.Repeat no more herein.
Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand device of the present invention and core concept thereof; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. a device for testing of electric motors valve seal performance, is characterized in that, described device comprises:
Cabinet, motor valve state control circuit, air pump control circuit, air pump, pressure sensor circuit, numerical value comparator circuit, test result display unit;
The top layer of described cabinet is provided with multiple motor valve standing grooves; The output terminal of described motor valve state control circuit is positioned at described standing groove, by the on off state of output electrical signals control motor valve; The input end of described air pump control circuit is connected with described motor valve state control circuit, the output terminal of described air pump control circuit is connected with described air pump, when described motor valve state control circuit is adjusted to the motor valve being positioned in described standing groove after closed condition, air pump is to the motor valve inflating pressure in described standing groove described in the control of described air pump control circuit; The input end of described pressure sensor circuit is connected with described air pump control circuit, when air pump described in the control of described air pump control circuit completes after inflation, measures the atmospheric pressure value of the motor valve inside in described standing groove; Described numerical value comparator circuit is connected with the output terminal of described pressure sensor circuit, and described atmospheric pressure value and default value that described pressure sensor circuit is measured compare, and obtain comparative result; The input end of described test result display unit is connected with the output terminal of described numerical value comparator circuit, when described comparative result is when being greater than, show the sealing property test passes information about described motor valve, when described comparative result is when being less than, show the sealing property test failure information about described motor valve.
2. device according to claim 1, is characterized in that, described test result display unit is specially LED light, and described LED light is arranged on the top layer of described cabinet, has relation one to one with described standing groove;
Described LED light at least can show the first color and the second color;
When described comparative result is when being greater than, described LED light shows described the first color;
When described comparative result is when being less than, described LED light shows described the second color.
3. device according to claim 1, is characterized in that, test result display unit is specially display;
When described comparative result is when being greater than, described display shows the sealing property test passes information of described motor valve in the mode of figure or word;
When described comparative result is when being less than, show the sealing property test failure information of described motor valve in the mode of figure or word.
4. device according to claim 1, is characterized in that, the number of described standing groove is 6.
5. device according to claim 2, is characterized in that, the number of described LED light is 6.
6. device according to claim 2, is characterized in that, described LED light can show green and redness;
When described comparative result is when being greater than, described LED light shows described green;
When described comparative result is when being less than, described LED light shows described redness.
7. device according to claim 3, is characterized in that, the display that described display is desktop computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145070.6A CN103940557A (en) | 2014-04-11 | 2014-04-11 | Device for testing sealing performance of motor valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410145070.6A CN103940557A (en) | 2014-04-11 | 2014-04-11 | Device for testing sealing performance of motor valve |
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| CN103940557A true CN103940557A (en) | 2014-07-23 |
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| CN201410145070.6A Pending CN103940557A (en) | 2014-04-11 | 2014-04-11 | Device for testing sealing performance of motor valve |
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Cited By (5)
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| CN104236443A (en) * | 2014-10-10 | 2014-12-24 | 慈溪市三洋电子有限公司 | Device for detecting valve opening distances of motor valves |
| CN104236467A (en) * | 2014-10-10 | 2014-12-24 | 慈溪市三洋电子有限公司 | Device for detecting valve opening distances of motor valves |
| CN104236823A (en) * | 2014-10-10 | 2014-12-24 | 慈溪市三洋电子有限公司 | Device for testing tightness of motor valve |
| CN104458163A (en) * | 2014-10-28 | 2015-03-25 | 安徽大学 | Valve leakage detection device and detection method thereof |
| CN105067202A (en) * | 2015-07-24 | 2015-11-18 | 成都秦川科技发展有限公司 | Electromechanical valve tightness intelligent detection device and detection method thereof |
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Cited By (6)
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| CN104236443A (en) * | 2014-10-10 | 2014-12-24 | 慈溪市三洋电子有限公司 | Device for detecting valve opening distances of motor valves |
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| CN105067202A (en) * | 2015-07-24 | 2015-11-18 | 成都秦川科技发展有限公司 | Electromechanical valve tightness intelligent detection device and detection method thereof |
| CN105067202B (en) * | 2015-07-24 | 2018-12-04 | 成都秦川物联网科技股份有限公司 | Electromechanical valve air-tightness intelligent detection equipment and its detection method |
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