CN205103014U - A detection circuitry for flow control valve among aircraft environmental control system - Google Patents
A detection circuitry for flow control valve among aircraft environmental control system Download PDFInfo
- Publication number
- CN205103014U CN205103014U CN201520191264.XU CN201520191264U CN205103014U CN 205103014 U CN205103014 U CN 205103014U CN 201520191264 U CN201520191264 U CN 201520191264U CN 205103014 U CN205103014 U CN 205103014U
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- switch
- control valve
- flowrate control
- pin
- flowrate
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Abstract
The utility model discloses a detection circuitry for flow control valve among aircraft environmental control system, including DC power supply, first adjustable potentiometer, the adjustable potentiometer of second, first switch, second switch, third switch, fourth switch, ampere meter, a plurality of pilot lamp, wherein, DC power supply's positive pole is connected with the one end of first switch, second switch and third switch respectively through first adjustable potentiometer, the other end and the flow control valve of first switch are connected, the other end of second switch loops through the adjustable potentiometer of second with the ampere meter is connected with flow control valve, the other end and the flow control valve of third switch are connected, the other end and the flow control valve of fourth switch are connected, DC power supply's negative pole is connected with a subunit among the flow control valve through a plurality of pilot lamps respectively. The utility model discloses it is more convenient not only to use, is convenient for closely control, and circuit sensitivity is high moreover, and the testing result is more accurate.
Description
Technical field
The utility model relates to field of electrical control, particularly a kind of testing circuit for the flowrate control valve in plane environmental control system.
Background technology
Plane environmental control system ensures to have in aircraft cockpit and equipment compartment occupant and equipment normally to work the package unit of required suitable environmental baseline.Plane environmental control system comprises cabin air supply and air distribution, cockpit pressure control, temperature control, humid control etc.Substantially all needing to use flowrate control valve in this system, is exactly the control to flowrate control valve to the control of a lot of demand substantially.So the quality of flowrate control valve also plays a very important role to plane environmental control system.So to the detection of flowrate control valve also become most important.
At present, when detecting flowrate control valve, need to prepare a lot of checkout equipments, more loaded down with trivial details with the connection of product, easily produce maloperation during measurement, the precision of measurement is also lower.The flowrate control valve quality detected like this can not be guaranteed, and likely can exert an adverse impact to plane environmental control system when in use.
Summary of the invention
Utility model object: the purpose of this utility model is for the deficiencies in the prior art, provide a kind of easy to use, function is concentrated, highly sensitive, and the testing circuit for the flowrate control valve in plane environmental control system that measuring accuracy is high.
Technical scheme: the utility model provides a kind of testing circuit for the flowrate control valve in plane environmental control system, comprise direct supply, first adjustable potential meter, second adjustable potential meter, first switch, second switch, 3rd switch, 4th switch, reometer, multiple pilot lamp, wherein, the positive pole of described direct supply is scored not and the first switch by the first adjustable potential, second switch is connected with one end of the 3rd switch, the other end of described first switch is connected with flowrate control valve, the other end of described second switch is connected with flowrate control valve with described reometer by described second adjustable potential meter successively, the other end of described 3rd switch is connected with flowrate control valve, the other end of described 4th switch is connected with flowrate control valve, the negative pole of described direct supply is connected with the section components in flowrate control valve respectively by multiple pilot lamp.
Further, also comprise the 4th switch and multiple pilot lamp, one end of described 4th switch is connected with the positive pole of described direct supply by the first adjustable potential meter, and the other end of described 4th switch is connected with the microswitch in described flowrate control valve respectively; Microswitch in described flowrate control valve is connected with the negative pole of direct supply respectively by multiple pilot lamp.So just can the microswitch in flowrate control valve be detected.
Further, described first switch, second switch and the 4th switch are single-pole single-throw switch (SPST); Described 3rd switch is that three gears select manual single-pole triple-throw (SPTT) switch.
Further, the other end of described first switch is connected with the first pin of the first solenoid valve in flowrate control valve; Described reometer is connected with the 3rd pin of the torque-motor in flowrate control valve; The another two ends of described 3rd switch respectively with first of the second solenoid valve of flowrate control valve and the 5th pin be connected; The other end of described 4th switch is connected with the microswitch in flowrate control valve respectively; The negative pole of described direct supply is connected with the 3rd pin of the first solenoid valve in flowrate control valve, the first pin of torque-motor, the 3rd pin of the second solenoid valve respectively; The negative pole of described direct supply is also connected with the microswitch of flowrate control valve respectively by pilot lamp.
Further, also comprise voltage table, described voltage table is connected in parallel on the two ends of described first adjustable potential meter.
Further, described direct supply provides 0 ~ 32V direct current.
Further, described pilot lamp has 8.The flowrate control valve that can be more applicable for after extension of detecting capability like this.
Further, range of choice 0 ~ 1K Ω of described first adjustable potential meter; The range of choice of described second adjustable potential meter is 0 ~ 1K Ω.
Beneficial effect: compared with prior art, the control of the electrical equipments such as flowrate control valve internal solenoid valve, torque-motor, electric switch effectively concentrates in together by the utility model, detect by adopting high-precision current table, voltage table, signal lamp etc., not only use convenient, be convenient to closely manipulate, and circuit sensitivity is high, testing result is more accurate.
Accompanying drawing explanation
Fig. 1: be structural representation of the present utility model;
Fig. 2: for the utility model contains the structural representation of 8 pilot lamp;
Fig. 3: be the structural representation of the first solenoid valve in flowrate control valve;
Fig. 4: be the structural representation of the second solenoid valve in flowrate control valve.
Embodiment
Below in conjunction with accompanying drawing, technical scheme is elaborated:
As shown in Figure 1, the utility model discloses a kind of testing circuit for the flowrate control valve in plane environmental control system, comprise direct supply 1, first adjustable potential meter 2, second adjustable potential meter 3, first switch 4, second switch 5, 3rd switch 6, 4th switch 7, reometer 8, two pilot lamp 9, wherein, the positive pole of direct supply 1 by the first adjustable potential meter 2 respectively with the first switch 4, second switch 5, 3rd switch 6 is connected with one end of the 4th switch 7, the other end of the first switch 4 is connected with the first pin of the first solenoid valve in flowrate control valve, the other end of second switch 5 is connected with the 3rd pin of the torque-motor in flowrate control valve with reometer 8 by the second adjustable potential meter 2 successively, the another two ends of the 3rd switch 6 respectively with first of the second solenoid valve of flowrate control valve and the 5th pin be connected, the other end of the 4th switch 7 is connected with the second pin of the microswitch in flowrate control valve, the negative pole of direct supply 1 is connected with the 3rd pin of the first solenoid valve in flowrate control valve, the first pin of torque-motor, the 3rd pin of the second solenoid valve and microswitch respectively, simultaneously the negative pole of direct supply 1 also respectively by two pilot lamp and the microswitch in flowrate control valve first and the 3rd pin be connected.A voltage table 10 also in parallel at the two ends of the first adjustable potential meter 2.Wherein, the model of flowrate control valve is 396480/HONEYWELL.
Wherein, the first switch 4, second switch 5 and the 4th switch 7 are single-pole single-throw switch (SPST); 3rd switch 6 is that three gears select manual single-pole triple-throw (SPTT) switch.Direct supply provides 0 ~ 32V direct current.As shown in Figure 2, pilot lamp 9 can also arrange 8, facilitates the flowrate control valve after extension of detecting capability like this.As shown in Figure 3, the second solenoid valve in flowrate control valve as shown in Figure 4 for the first solenoid valve in flowrate control valve.
The circuit that the utility model provides can realize the electric observing and controlling to flowrate control valve, can control separately the first solenoid valve, the second solenoid valve, torque-motor and microswitch and detect it; Also can control simultaneously and detect.
1, when control the second solenoid valve carries out work to needs separately, first all switches on testing circuit are all placed in open mode, regulate the first adjustable potential meter 2, the magnitude of voltage making display on voltage table 10 is 18.1V, now the 3rd switch 6 is thrown the gear in being connected with the 5th pin of the second solenoid valve, thus now direct supply 1 powers to the pin 3 of the second solenoid valve and pin 5, controls the second electromagnetic valve work.If the second solenoid valve has problem, then can not work at the second solenoid valve.
2, when the independent control moment motor operations of needs, first all switches on testing circuit are all placed in open mode, regulate the first adjustable potential meter 2, the magnitude of voltage making display on voltage table 10 is 28V, regulate the second adjustable potential meter 3 to maximum value place again, closed second switch 5, then regulate the second adjustable potential meter 3, make the numerical value of display on reometer 8 between 100mA ~ 103mA.If now torque-motor does not have fault, then torque-motor can normally work.
3, control simultaneously and detect all electrical equipments: mainly comprising the following steps
A) pass into the direct current of 28V to the first solenoid valve, the electric current applying 100 ~ 103mA on torque-motor, to open the second solenoid valve, now valve flow be 3916.8 ~ 4083kg/h;
The method that the single channel provided by the utility model completes above-mentioned steps is:
(A1) switches all on the circuit provided by the utility model is placed in out position;
(A2) regulate the first adjustable potential meter 2, make the numerical value be presented on voltage table be 28V;
(A3) the second adjustable potential meter 3 to maximum value place is regulated; Closed upper first switch 4 and second switch 5, throw the gear in being connected with the 5th pin of the second solenoid valve simultaneously by the 3rd switch 6.
B) regulate adjustable potential meter, make electric current be 0, now the flow of valve is 3484.2 ~ 3647.5kg/h;
The method that the single channel provided by the utility model completes above-mentioned steps is: regulate the second adjustable potential meter 3, makes the numerical value on reometer 8 be 100mA ~ 103mA.
C) the first solenoid valve power-off, now valve flow is: 2381.8 ~ 2490.6kg//h;
The method that the single channel provided by the utility model completes above-mentioned steps is: disconnect the first switch 4.
D) repeatedly open the second solenoid valve several times, flowrate control valve can open and close.
The method that the single channel provided by the utility model completes above-mentioned steps is: switch " switch 3 " operation the 3rd switch 6, make pin 1 and pin 3 conducting of the second solenoid valve, namely valve is opened; Then switch pin 5 and pin 3 conducting that the 3rd switch 6 makes the second solenoid valve, namely valve closes.Repeat to switch a few order three switch according to aforesaid operations, observe repeatability and the stability of flowrate control valve.
4, tested by the break-make of pilot lamp to the microswitch in flowrate control valve
Now be connected with the negative pole of direct supply 1 respectively by two pilot lamp 9 with the 3rd pin by the first pin of microswitch, the second pin of microswitch is connected with one end of the 4th switch 7.When testing, closed by the 4th switch 7, the 3rd switch 6 is thrown the gear in being connected with the 5th pin of the second solenoid valve, the pilot lamp be now connected with the first pin of microswitch should be lighted simultaneously.Closed by 4th switch 7, the 3rd switch 6 is thrown the gear in being connected with the first pin of the second solenoid valve, the pilot lamp be now connected with the 3rd pin of microswitch should be lighted simultaneously.If it is normal that the microswitch room illustrated in flowrate control valve normally lighted by pilot lamp, there is no fault.
Claims (8)
1. the testing circuit for the flowrate control valve in plane environmental control system, it is characterized in that: comprise direct supply, first adjustable potential meter, second adjustable potential meter, first switch, second switch, 3rd switch, 4th switch, reometer, multiple pilot lamp, wherein, the positive pole of described direct supply is scored not and the first switch by the first adjustable potential, second switch is connected with one end of the 3rd switch, the other end of described first switch is connected with flowrate control valve, the other end of described second switch is connected with flowrate control valve with described reometer by described second adjustable potential meter successively, the other end of described 3rd switch is connected with flowrate control valve, the other end of described 4th switch is connected with flowrate control valve, the negative pole of described direct supply is connected with the section components in flowrate control valve respectively by multiple pilot lamp.
2. the testing circuit for the flowrate control valve in plane environmental control system according to claim 1, it is characterized in that: also comprise the 4th switch and multiple pilot lamp, one end of described 4th switch is connected with the positive pole of described direct supply by the first adjustable potential meter, and the other end of described 4th switch is connected with the microswitch in described flowrate control valve respectively; Microswitch in described flowrate control valve is connected with the negative pole of direct supply respectively by multiple pilot lamp.
3. the testing circuit for the flowrate control valve in plane environmental control system according to claim 2, is characterized in that: described first switch, second switch and the 4th switch are single-pole single-throw switch (SPST); Described 3rd switch is that three gears select manual single-pole triple-throw (SPTT) switch.
4. the testing circuit for the flowrate control valve in plane environmental control system according to Claims 2 or 3, is characterized in that: the other end of described first switch is connected with the first pin of the first solenoid valve in flowrate control valve; Described reometer is connected with the 3rd pin of the torque-motor in flowrate control valve; The another two ends of described 3rd switch respectively with first of the second solenoid valve of flowrate control valve and the 5th pin be connected; The other end of described 4th switch is connected with the microswitch in flowrate control valve respectively; The negative pole of described direct supply is connected with the 3rd pin of the first solenoid valve in flowrate control valve, the first pin of torque-motor, the 3rd pin of the second solenoid valve respectively; The negative pole of described direct supply is also connected with the microswitch of flowrate control valve respectively by pilot lamp, and the model of described flowrate control valve is 396480/HONEYWELL.
5. the testing circuit for the flowrate control valve in plane environmental control system according to claim 1 and 2, is characterized in that: also comprise voltage table, and described voltage table is connected in parallel on the two ends of described first adjustable potential meter.
6. the testing circuit for the flowrate control valve in plane environmental control system according to claim 1 and 2, is characterized in that: described direct supply provides 0 ~ 32V direct current.
7. the testing circuit for the flowrate control valve in plane environmental control system according to claim 1 and 2, is characterized in that: described pilot lamp has 8.
8. the testing circuit for the flowrate control valve in plane environmental control system according to claim 1, is characterized in that: range of choice 0 ~ 1K Ω of described first adjustable potential meter; The range of choice of described second adjustable potential meter is 0 ~ 1K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191264.XU CN205103014U (en) | 2015-03-31 | 2015-03-31 | A detection circuitry for flow control valve among aircraft environmental control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191264.XU CN205103014U (en) | 2015-03-31 | 2015-03-31 | A detection circuitry for flow control valve among aircraft environmental control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205103014U true CN205103014U (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520191264.XU Expired - Fee Related CN205103014U (en) | 2015-03-31 | 2015-03-31 | A detection circuitry for flow control valve among aircraft environmental control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441849A (en) * | 2016-10-13 | 2017-02-22 | 天津智源机械制造股份有限公司 | Flow control valve examination apparatus |
| CN107244426A (en) * | 2016-03-25 | 2017-10-13 | 哈尔滨飞机工业集团有限责任公司 | A kind of transporter undercarriage hydraulic pressure testing device |
| CN109813359A (en) * | 2019-01-14 | 2019-05-28 | 北京安达维尔机械维修技术有限公司 | A kind of exerciser and its control method for aviation flow control valve |
-
2015
- 2015-03-31 CN CN201520191264.XU patent/CN205103014U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107244426A (en) * | 2016-03-25 | 2017-10-13 | 哈尔滨飞机工业集团有限责任公司 | A kind of transporter undercarriage hydraulic pressure testing device |
| CN106441849A (en) * | 2016-10-13 | 2017-02-22 | 天津智源机械制造股份有限公司 | Flow control valve examination apparatus |
| CN109813359A (en) * | 2019-01-14 | 2019-05-28 | 北京安达维尔机械维修技术有限公司 | A kind of exerciser and its control method for aviation flow control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20200331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |