CN205142065U - Flow control valve electrical control box - Google Patents
Flow control valve electrical control box Download PDFInfo
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- CN205142065U CN205142065U CN201521009216.0U CN201521009216U CN205142065U CN 205142065 U CN205142065 U CN 205142065U CN 201521009216 U CN201521009216 U CN 201521009216U CN 205142065 U CN205142065 U CN 205142065U
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Abstract
The utility model discloses a flow control valve electrical control box, including the circuitry and be used for carrying on complete machine circuit pack's quick -witted case, the circuitry includes power supply system, six bat cycling circuits, drive circuit, clock pulse circuit and the control circuit that is just reversing, power supply system claps cycling circuit, drive circuit, clock pulse circuit with six respectively and the control circuit that is just reversing is connected, the clock pulse circuit and the control circuit that is just reversing all are connected with six bat cycling circuits, six clap the cycling circuit is connected with drive circuit, design flow control valve special test equipment, can be through the working method of device control valve to phase is controlled the flow control valve, thereby it just can carry out the control of flow control valve to avoid needing to be connected with former unit, with the here reach can with the state of former unit phase separation under do and detect and keep in repair the flow control valve.
Description
Technical field
The utility model relates to technical field of aerospace, specifically, is flow control valve electric control box.
Background technology
Flow control valve 7510000 series is the flow of Air-condition system control from engine to air cycle machine on aircraft Air Passenger A320, and the size of flow directly affects the service behaviour of air conditioning.
The housing of flow control valve adopts venturi tube structure, and draw one air-flow from valve and arrive pneumatic start chamber after regulating, overcome spring force and film is moved downward, drivening rod mechanism rotates together with curtain shaft, valve plate, thus opens valve.The aperture (Flow-rate adjustment) that valve is opened is determined by the air pressure size arriving start chamber, and air pressure size is regulated by a pressure regulator and a spout, and the size of spout is compressed nozzle needle by a driving stepper motor cam and determined.
Three-phase six-beat stepper motor is a typical single stator, radial grouping, reaction equation servomotor.It is the same with common electric machine, is divided into stators and rotators two parts, and 6 magnetic poles of stator are wound with winding respectively, and symmetrical winding forms a phase winding, and three-phase six-beat stepper motor has A, B, C three-phase windings.Once be called a bat often to a phase winding energising.The rotating forward order of three-phase six-beat stepper motor work is A-AB-B-BC-C-CA-A, and reverse order is A-AC-C-CB-B-BA-A.Three-phase six-beat stepper motor often walks the angular dimension of rotation, is called step angle.It is determined by the beat that is energized in the number of teeth of the rotor of motor own and each power cycles.
For controlling the three-phase six-beat stepper motor in flow control valve, thus reach and control the object of uninterrupted, a kind of control box that can effectively control flow control valve is real in needed for urgently.
Utility model content
The purpose of this utility model is to provide flow control valve electric control box, design flow control valve special test equipment, can by arranging the working method controlling valve, to controlling flow control valve, thus avoid that needing is connected with former unit just can carry out the control of flow control valve, also can carry out inspection and repair to flow control valve under reaching the state that can be separated with former unit with this.
The utility model is achieved through the following technical solutions: flow control valve electric control box, comprise circuitry and the cabinet for carrying out circuitry encapsulation, described circuitry comprises electric power system, six and claps cycling circuit, drive circuit, clock-pulse circuit and positive and reverse rotation control circuit, described electric power system is clapped cycling circuit, drive circuit, clock-pulse circuit and positive and reverse rotation control circuit with six respectively and is connected, described clock-pulse circuit and positive and reverse rotation control circuit are all clapped cycling circuit with six and are connected, and described six clap cycling circuit is connected with drive circuit.
Further for better to realize the utility model, can AC power be converted to D.C. regulated power supply and supply clock-pulse circuit, positive and reverse rotation control circuit, six clap cycling circuit, drive circuit etc., it is made normally to work, be provided with following structure especially: in described electric power system, be provided with ac power circuit, Switching Power Supply and direct current regulation circuit, described ac power circuit connecting valve power supply, described Switching Power Supply connects direct current regulation circuit, described direct current regulation circuit connects six bat cycling circuits respectively, drive circuit, clock-pulse circuit and positive and reverse rotation control circuit.
Further for better to realize the utility model, can realize carrying out point operation control to flow control valve, be provided with following structure especially: described circuitry is also provided with single step run circuit, described direct current regulation circuit connects single step run circuit, and described single step run circuit connects six and claps cycling circuit.
Further for better to realize the utility model, can realize controlling the turned position of the three-phase six-beat stepper motor in flow control valve, be provided with following structure especially: described circuitry is also provided with position selection circuit, described direct current regulation circuit link position selection circuit, described position selection circuit connects six and claps cycling circuit.
Further for better to realize the utility model, can for flow control valve to be controlled be by providing 28VDC power supply, and 28VDC can be converted to 5VDC or 12VDC to provide electricity consumption for the circuit of control box inside, be arranged to following structure especially: described Switching Power Supply is 28VDC Switching Power Supply, described D.C. regulated power supply exports 12VDC or/and 5VDC.
Further for better to realize the utility model, be provided with following structure especially: described circuitry is also provided with single step run circuit, described electric power system connects single step run circuit, and described single step run circuit connects six and claps cycling circuit.
Further for better to realize the utility model, be provided with following structure especially: described circuitry is also provided with position selection circuit, described electric power system link position selection circuit, described position selection circuit connects six and claps cycling circuit.
Further for better to realize the utility model, circuitry can be encapsulated, so that flow control valve electric control box can conveniently be settled, the following set-up mode of special employing: described cabinet adopts standard 3U cabinet.
The utility model has the following advantages and beneficial effect:
The utility model designs flow control valve special test equipment, can by arranging the working method controlling valve, to controlling flow control valve, thus avoid that needing is connected with former unit just can carry out the control of flow control valve, also can carry out inspection and repair to flow control valve under reaching the state that can be separated with former unit with this.
The utility model can be powered to three-phase six-beat stepper motor and automatically can control three-phase six-beat stepper motor action to the flow aperture required; Potentiometric feedback voltage can be shown; Sensitive switch signal can be shown; Electromagnetically operated valve switching electricity can be given, the test request of valve can be met.
Accompanying drawing explanation
Fig. 1 is circuitry theory diagram described in the utility model.
Fig. 2 is casing structure schematic diagram described in the utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
Flow control valve electric control box, as shown in Figure 1 and Figure 2, comprise circuitry and the cabinet for carrying out circuitry encapsulation, described circuitry comprises electric power system, six and claps cycling circuit, drive circuit, clock-pulse circuit and positive and reverse rotation control circuit, described electric power system is clapped cycling circuit, drive circuit, clock-pulse circuit and positive and reverse rotation control circuit with six respectively and is connected, described clock-pulse circuit and positive and reverse rotation control circuit are all clapped cycling circuit with six and are connected, and described six clap cycling circuit is connected with drive circuit.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for better to realize the utility model, can AC power be converted to D.C. regulated power supply and supply clock-pulse circuit, positive and reverse rotation control circuit, six clap cycling circuit, drive circuit etc., it is made normally to work, as Fig. 1, shown in Fig. 2, be provided with following structure especially: in described electric power system, be provided with ac power circuit, Switching Power Supply and direct current regulation circuit, described ac power circuit connecting valve power supply, described Switching Power Supply connects direct current regulation circuit, described direct current regulation circuit connects six bat cycling circuits respectively, drive circuit, clock-pulse circuit and positive and reverse rotation control circuit.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for better to realize the utility model, can realize carrying out point operation control to flow control valve, as shown in Figure 1 and Figure 2, be provided with following structure especially: described circuitry is also provided with single step run circuit, described direct current regulation circuit connects single step run circuit, and described single step run circuit connects six and claps cycling circuit.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for better to realize the utility model, can realize controlling the turned position of the three-phase six-beat stepper motor in flow control valve, as shown in Figure 1 and Figure 2, be provided with following structure especially: described circuitry is also provided with position selection circuit, described direct current regulation circuit link position selection circuit, described position selection circuit connects six and claps cycling circuit.
Embodiment 5:
The present embodiment is the enterprising one-step optimization in basis in embodiment 2 or 3 or 4, further for better to realize the utility model, can for flow control valve to be controlled be by providing 28VDC power supply, and 28VDC can be converted to 5VDC or 12VDC to provide electricity consumption for the circuit of control box inside, as shown in Figure 1 and Figure 2, be arranged to following structure especially: described Switching Power Supply is 28VDC Switching Power Supply, described D.C. regulated power supply exports 12VDC or/and 5VDC.
Embodiment 6:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further for better to realize the utility model, as shown in Figure 1 and Figure 2, be provided with following structure especially: described circuitry is also provided with single step run circuit, described electric power system connects single step run circuit, and described single step run circuit connects six and claps cycling circuit.
Embodiment 7:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further for better to realize the utility model, as shown in Figure 1 and Figure 2, be provided with following structure especially: described circuitry is also provided with position selection circuit, described electric power system link position selection circuit, described position selection circuit connects six and claps cycling circuit.
Embodiment 8:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further for better to realize the utility model, circuitry can be encapsulated, so that flow control valve electric control box can conveniently be settled, as shown in Figure 1 and Figure 2, the following set-up mode of special employing: described cabinet adopts standard 3U cabinet.
When designing use, described drive circuit is connected with flow control valve to be controlled, by workshop 220VAC/50HZ plant-grid connection control box, through ac power circuit, by internal switch Power convert be 28VDC export, 28VDC power supply one tunnel provides working power for flow control valve, and it is that control box internal circuit is powered that three-terminal voltage-stabilizing chip LM7812, LM7805 that another road is arranged in direct current regulation circuit are converted to 12VDC and 5VDC power supply.
The utility model adopts 555 timers to be used as clock-pulse circuit, when the rising edge of a pulse arrives, the three-phase six-beat stepper motor that can trigger in flow control valve turns over a step angle, and the pulse signal that clock-pulse circuit produces is connected to the CLK end of the 74LS191 in six bat cycling circuits.Described six clap cycling circuit adopts 4 logical AND not gates, 1 74LS191 and 1 74LS138 to realize loop pulse distribution, controls the step mode of three-phase six-beat stepper motor three windings.The logical signal exported by 74LS191 is QA, QB, QC, exports the six beat working state of A, B, C after 74LS138 and NAND gate decoding.Three-phase six-beat stepper motor rotating forward order: A-AB-B-BC-C-CA-A, its logical expressions are A=100, AB=110, B=010, BC=011, C=001, CA=101.Export the phase of A, B, C according to logical expressions NAND gate, receive drive circuit, controlled the rotation of three-phase six-beat stepper motor by drive circuit.Adopt power amplification circuit as drive circuit, the drive singal exported by NAND gate controls the triode TIP122 in drive circuit, thus control the power-up sequence of each phase winding of three-phase six-beat stepper motor, increase light-emitting diode when each phase winding energising simultaneously and indicate.
Single step run circuit (for point operation control) is identical with the step mode of continuous trigger, just the output of single shot trigger is connected to the CLK end of 74LS191, in conjunction with " crawl " push-button switch be arranged on cabinet panel, the point operation control of three-phase six-beat stepper motor can be realized, namely when not clicking " crawl " push-button switch, three-phase six-beat stepper motor turns and moves a step.
Described position selection circuit, the turned position (80% of 4 corresponding flow control valve of reference voltages difference that the utility model inside is produced by potentiometer pressure regulation, 100%, 105%, 120%), carry out position by the band switch be arranged in the selection circuit of position to preset, then compare with potentiometer center tap voltage on flow control valve (valve position signalling) (utilizing the LM339 comparator arranged in the selection circuit of position), LM339 comparator exports the G1 end being connected to 74LS138, when LM339 comparator output low level, motor stalls, thus reach the object of control step electric machine rotation position.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection range of the present utility model.
Claims (9)
1. flow control valve electric control box, it is characterized in that: comprise circuitry and the cabinet for carrying out circuitry encapsulation, described circuitry comprises electric power system, six and claps cycling circuit, drive circuit, clock-pulse circuit and positive and reverse rotation control circuit, described electric power system is clapped cycling circuit, drive circuit, clock-pulse circuit and positive and reverse rotation control circuit with six respectively and is connected, described clock-pulse circuit and positive and reverse rotation control circuit are all clapped cycling circuit with six and are connected, and described six clap cycling circuit is connected with drive circuit.
2. flow control valve electric control box according to claim 1, it is characterized in that: in described electric power system, be provided with ac power circuit, Switching Power Supply and direct current regulation circuit, described ac power circuit connecting valve power supply, described Switching Power Supply connects direct current regulation circuit, and described direct current regulation circuit connects six bat cycling circuits, drive circuit, clock-pulse circuit and positive and reverse rotation control circuit respectively.
3. flow control valve electric control box according to claim 2, is characterized in that: described circuitry is also provided with single step run circuit, and described direct current regulation circuit connects single step run circuit, and described single step run circuit connects six and claps cycling circuit.
4. the flow control valve electric control box according to Claims 2 or 3, is characterized in that: described circuitry is also provided with position selection circuit, described direct current regulation circuit link position selection circuit, and described position selection circuit connects six and claps cycling circuit.
5. flow control valve electric control box according to claim 4, is characterized in that: described Switching Power Supply is 28VDC Switching Power Supply, and described D.C. regulated power supply exports 12VDC or/and 5VDC.
6. the flow control valve electric control box according to Claims 2 or 3, is characterized in that: described Switching Power Supply is 28VDC Switching Power Supply, and described D.C. regulated power supply exports 12VDC or/and 5VDC.
7. flow control valve electric control box according to claim 1, is characterized in that: described circuitry is also provided with single step run circuit, and described electric power system connects single step run circuit, and described single step run circuit connects six and claps cycling circuit.
8. flow control valve electric control box according to claim 7, is characterized in that: described circuitry is also provided with position selection circuit, described electric power system link position selection circuit, and described position selection circuit connects six and claps cycling circuit.
9. flow control valve electric control box according to claim 1, is characterized in that: described cabinet adopts standard 3U cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521009216.0U CN205142065U (en) | 2015-12-08 | 2015-12-08 | Flow control valve electrical control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521009216.0U CN205142065U (en) | 2015-12-08 | 2015-12-08 | Flow control valve electrical control box |
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| Publication Number | Publication Date |
|---|---|
| CN205142065U true CN205142065U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521009216.0U Active CN205142065U (en) | 2015-12-08 | 2015-12-08 | Flow control valve electrical control box |
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| CN (1) | CN205142065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428588A (en) * | 2016-10-25 | 2017-02-22 | 广州飞机维修工程有限公司 | Circuit for indicating position of pneumatic pressure regulating valve of aircraft pneumatic system |
| CN109765444A (en) * | 2019-01-22 | 2019-05-17 | 北京丰荣航空科技股份有限公司 | A kind of aircraft attachment electric loop integration test box and its test method |
| CN110618326A (en) * | 2019-09-04 | 2019-12-27 | 芜湖双翼航空装备科技有限公司 | Testing device for A320 air-conditioning system flow control valve |
-
2015
- 2015-12-08 CN CN201521009216.0U patent/CN205142065U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428588A (en) * | 2016-10-25 | 2017-02-22 | 广州飞机维修工程有限公司 | Circuit for indicating position of pneumatic pressure regulating valve of aircraft pneumatic system |
| CN106428588B (en) * | 2016-10-25 | 2023-03-10 | 广州飞机维修工程有限公司 | Position indicating circuit for pneumatic pressure regulating valve of aircraft pneumatic system |
| CN109765444A (en) * | 2019-01-22 | 2019-05-17 | 北京丰荣航空科技股份有限公司 | A kind of aircraft attachment electric loop integration test box and its test method |
| CN110618326A (en) * | 2019-09-04 | 2019-12-27 | 芜湖双翼航空装备科技有限公司 | Testing device for A320 air-conditioning system flow control valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |