CN203881529U - Intelligent detection device for control valves - Google Patents
Intelligent detection device for control valves Download PDFInfo
- Publication number
- CN203881529U CN203881529U CN201420282262.7U CN201420282262U CN203881529U CN 203881529 U CN203881529 U CN 203881529U CN 201420282262 U CN201420282262 U CN 201420282262U CN 203881529 U CN203881529 U CN 203881529U
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- pressure
- valve
- solenoid valve
- intelligent detection
- relay
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Abstract
The utility model provides an intelligent detection device for control valves. The intelligent detection device includes a mechanical control device and an electrical appliance control device; an air cylinder electromagnetic valve, a rotary air cylinder, an upper clamp, a lower clamp, a high-pressure reducing valve, a high-pressure electromagnetic valve, a two-way valve, a high-pressure sensor, a low-pressure sensor and a flow sensor are connected with one another through a pipeline, so that the mechanical control device can be formed; and the electrical appliance control device is composed of a single-chip microcomputer, a relay, a display circuit, a power source circuit and a peripheral protection circuit. The intelligent detection device for the control valves of the utility model has the advantages of simple structure design, easy operation, being convenient and practical, and high automation degree. With the intelligent detection device adopted, an entire detection process does not need manual control, and therefore, human-made errors can be avoided, and the work intensity of detecting personnel can be reduced, and detection accuracy can be improved.
Description
Technical field
The utility model belongs to automatic detection field, relates to a kind of intelligent detection equipment, specifically a kind of intelligent detection equipment of operation valve.
Background technology
Operation valve claims again variable valve, by accepting the control signal of regulation unit output, by power operation, removes to change fluid flow, realizes the object of controlling flow.
Existing a kind of operation valve, by plug, spring, steel ball, bonnet, thimble, flow guide sleeve, bellows component, housing and threaded connector, formed, as shown in Figure 1, this operation valve utilizes the flexible aperture of coming operation valve portion of bellows component, to control fluid flow, its principle of work is: during original state, there is no pressure-acting in bellows component, bellows component acts on thimble, makes valve portion in maximum opening; When gases at high pressure enter from air intake opening, air-flow enters annular ripple gap by valve portion, ring-type finedraw and narrow slit, then by outlet passageway, flow out, when outside pressure enters bellows component during annular ripple gap, bellows component ambient pressure raises gradually, bellows component is experienced pressure and is shunk, and shrinks under pressure displacement, and valve portion aperture changes thereupon.
This operation valve needs to carry out performance test after producing, and the process of performance test is: maintain air intake opening constant high-pressure, gas outlet flow control is to requiring flow, then detect gas port pressure, if force value is stabilized in required value, is judged to be certified products, otherwise is judged to be defective; At present, it is all by manually carrying out that operation valve is carried out to performance test, the table meters such as the flowmeter of use float-type, pointer pressure, by artificial reading, judge that whether operation valve is qualified, so not only require great effort time-consuming, and because artificial reading easily produces measuring error, the result of performance test is also not accurate enough.
Utility model content
The purpose of this utility model is to provide a kind of intelligent detection equipment of operation valve, can make the testing process of operation valve automatically complete.
The technical scheme that the utility model adopted is to achieve these goals:
A kind of intelligent detection equipment of operation valve, it is characterized in that: comprise machine control unit and electric apparatus control apparatus, described machine control unit comprises product clamping device, air intake opening control device and gas outlet pick-up unit, described product clamping device is connected to form by pipeline by low-pressure gas source, triplet, cylinder solenoid valve, rotary cylinder and fixture, and described low-pressure gas source connects triplet, and triplet connects cylinder solenoid valve, cylinder solenoid valve connects rotary cylinder, rotary cylinder jockey; Described air intake opening control device is connected to form by pipeline by high-pressure air source, high-pressure pressure-reducing valve, high-pressure solenoid valve, threeway connector and product air intake opening and high pressure sensor, described high-pressure air source is connected with high-pressure pressure-reducing valve import, high pressure relief valve outlet port connects high-pressure solenoid valve, and high-pressure solenoid valve is connected with product air intake opening with high pressure sensor by threeway connector; Described gas outlet pick-up unit comprises product gas outlet, threeway connector, low pressure sensor and two-port valve and flow sensor, and described product gas outlet is by threeway connector, and one end connects low pressure sensor, and the other end is by two-port valve connection traffic sensor; Described electric apparatus control apparatus comprises the single-chip microcomputer as central control unit, the relay of realizing switch control and the whether qualified display circuit of demonstration product, described single-chip microcomputer is connected with relay, high pressure sensor, low pressure sensor and flow sensor and display circuit, and described relay is connected with high-pressure solenoid valve, two-port valve and cylinder solenoid valve; Described fixture consists of upper fixture and lower clamp, and upper fixture is connected with rotary cylinder and product gas outlet is set, and lower clamp is fixed on apparatus casing and product air intake opening is set.
Described high-pressure solenoid valve is the two-bit triplet solenoid valve for high pressure, controls pressurization and the pressure release of high pressure.
Described cylinder solenoid valve is two five-way low-voltage solenoid valves, controls the commutation of rotary cylinder pipeline gas, makes cylinder rotation and piston drive fixture up-downgoing.
Described two-port valve is a kind of Electromagnetic Drive switch, for controlling the circulation of operation valve gas outlet flow sensor gas piping and closing.
The signal end of described high pressure sensor, low pressure sensor and flow sensor is connected to the A/D pin of single-chip microcomputer by current-limiting resistance, single-chip microcomputer gathers its data.
Described display circuit is that single-chip microcomputer shows the data of high pressure sensor, low pressure sensor and flow sensor collection and shows by LED lamp whether product is qualified.
The I/O mouth of described single-chip microcomputer is connected with photoelectrical coupler TLP521-1, TLP521-1 is connected with darlington transistor array ULN2003, ULN2003 is connected with relay, and main contacts one end of described relay is connected with output end of stabilized voltage supply, and the other end is connected with ULN2003; The auxiliary contact one end of often opening of relay is connected with the output terminal of stabilized voltage supply, and the other end is connected with high-pressure solenoid valve, cylinder solenoid valve and two-port valve.
The beneficial effects of the utility model are: device structure is simple, and processing ease is practical and convenient, and automaticity is high; Whole testing process, does not need manual control, has avoided personal error, has alleviated testing staff's working strength, has promoted the accuracy detecting.
Accompanying drawing explanation
Fig. 1 is the structural representation of operation valve.
Fig. 2 is the gas circuit connection diagram of machine control unit in the utility model.
Fig. 3 is electrical equipment control theory diagram of the present utility model.
Fig. 4 is electrical apparatus control circuit connection diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated:
A kind of intelligent detection equipment of operation valve, comprise machine control unit and electric apparatus control apparatus, machine control unit comprises product clamping device, air intake opening control device and gas outlet pick-up unit, its gas circuit connects as shown in Figure 2, product clamping device is connected to form by pipeline by low-pressure gas source 1, triplet 2, cylinder solenoid valve 3, rotary cylinder 4 and fixture 5, low-pressure gas source 1 connects triplet 2, triplet 2 connects cylinder solenoid valve 3, cylinder solenoid valve 3 connects rotary cylinder 4, rotary cylinder 4 jockeies 5; Described fixture 5 is divided into fixture and lower clamp; Air intake opening control device is connected to form by pipeline by high-pressure air source 6, high-pressure pressure-reducing valve 7, high-pressure solenoid valve 8, threeway connector 9A and product air intake opening 10 and high pressure sensor 11, high-pressure air source 6 is connected with high-pressure pressure-reducing valve 7 imports, high-pressure pressure-reducing valve 7 outlets connect high-pressure solenoid valve 8, and high-pressure solenoid valve 8 is connected with product air intake opening 10 with high pressure sensor 11 by threeway connector 9A; Described gas outlet pick-up unit comprises product gas outlet 12, threeway connector 9B, low pressure sensor 13 and two-port valve 14 and flow sensor 15; Product gas outlet 12 connects low pressure sensor 13 by threeway connector 9B one end, and the other end is by two-port valve 14 connection traffic sensors 15; Cylinder solenoid valve 3 is two five-way low-voltage solenoid valves, controls rotary cylinder 4 pipeline gas commutations, makes cylinder rotation and piston drive fixture up-downgoing; When cylinder solenoid valve 3 when electric, rotary cylinder 4 actions, descent of piston simultaneously, in drive, fixture is pushed down product, closes fixture; When cylinder solenoid valve 3 dead electricity, upstroke, cylinder rotates back to zero-bit simultaneously, and fixture is opened; High-pressure solenoid valve 8 is the two-bit triplet solenoid valves for high pressure, controls pressurization and the pressure release of high pressure, when high-pressure solenoid valve 8 when electric, pipeline adds high pressure to product air intake opening 10; After solenoid valve dead electricity, pipeline pressure release, product air intake opening 10 is without pressure; Two-port valve 14 is a kind of Electromagnetic Drive switches, the circulation of controlling flow sensor 15 gas pipings with close, when two-port valve 14 when electric, flow sensor 15 work, during dead electricity, flow sensor 15 pipelines are closed, operation valve gas outlet 12 gas flow low pressure sensors 13.
Electric apparatus control apparatus comprises as the single-chip microcomputer 16 of central control unit and realizes relay 17 and the whether qualified display circuit of demonstration product that switch is controlled, single-chip microcomputer 16 is connected with relay 17 and high pressure sensor 11, low pressure sensor 13 and flow sensor 15, and relay 16 is connected with high-pressure solenoid valve 8, two-port valve 14 and cylinder solenoid valve 3; Its control relation as shown in Figure 3; Concrete circuit connects, as shown in Figure 4, the signal end of each sensor is connected to the A/D pin of single-chip microcomputer 16 by current-limiting resistance, and the I/O mouth of single-chip microcomputer 16 is connected with driving chip 74HC595,74HC595 is connected with LED piece and LED lamp, and driving LED piece and LED lamp carry out static state and show; Another I/O mouth of single-chip microcomputer 16 is connected with photoelectrical coupler TLP521-1, TLP521-1 is connected with darlington transistor array ULN2003, ULN2003 is connected with relay 17, and main contacts one end of relay 17 is connected with output end of stabilized voltage supply, and the other end is connected with ULN2003; The auxiliary contact one end of often opening of relay 17 is connected with the output terminal of stabilized voltage supply, and the other end is connected with high-pressure solenoid valve, cylinder solenoid valve and two-port valve.
Single-chip microcomputer 16 is selected Freescale MC9S08AW32, is core component, the main contacts of pilot relay 17, relay 17 often open the action that auxiliary contact are controlled each valve; Gather the data of each sensor, and data are shown and analyzed, the qualification of judgement product, driving and LED light are bright.
Photoelectrical coupler TLP521-1, major function is to realize the transmission of electric signal, makes it front end and load is isolated completely, object is to increase security, reduces circuit and disturbs, and simplifies circuit design, plays signal isolation, the effect that signal transforms; During work, input signal is added to input end, makes luminotron luminous, photosensitive device is output photoelectric stream under Magnetic Optical Radiation, thereby realize twice conversion of electric light electricity.
Darlington transistor array ULN2003, is large driven current density array, directly drives relay load,
Also be 7 road Nverter circuits, when input end is high level, ULN2003 output terminal is low level, and when input end is low level, ULN2003 output terminal is high level, and relay obtains electric adhesive.
The course of work of relay 17 is: when the main contacts control end of relay 17 receives that the signal of ULN2003 output terminal is low, relay 17 coils obtain electric adhesive, it often opens auxiliary contact closure, the high-pressure solenoid valve 8 being correspondingly connected with relay 17 auxiliary contact, cylinder solenoid valve 3 and two-port valve 14 energized actions.
The course of work of the present utility model is: first operating personnel are put operation valve to be detected to lower clamp, start this equipment, and it is electric that single-chip microcomputer 16 pilot relays 17 obtain cylinder solenoid valve 3, rotary cylinder 4 actions, and in drive, fixture action, compresses with lower clamp; Then make high-pressure solenoid valve 8 obtain electric, product air intake opening 10 adds high pressure, and to make two-port valve 14 obtain electric simultaneously, flow sensor 15 work; High pressure sensor 11 gathers high-voltage value, pass to single-chip microcomputer 16, single-chip microcomputer 16 judges whether high-voltage value reaches predetermined value automatically, when high pressure is consistent with predetermined value, flow sensor 15 acquisition stream values, pass to single-chip microcomputer 16, when flow value is consistent with controlling value, stablize after the several seconds, close two-port valve 14; Equipment Inspection product gas outlet 12 pressure now, low pressure sensor 13 gathers force value, when force value meets the demands, after the time delay several seconds, again gather product gas outlet 12 pressure, when consistent with first collection force value, single-chip microcomputer 16 judges that product is stable, qualified; Single-chip microcomputer 16 and corresponding pilot lamp are bright, and then, operating personnel only need powered-down, take out product, and detection completes.
Claims (9)
1. the intelligent detection equipment of an operation valve, it is characterized in that: comprise machine control unit and electric apparatus control apparatus, described machine control unit comprises product clamping device, air intake opening control device and gas outlet pick-up unit, described product clamping device is connected to form by pipeline by low-pressure gas source, triplet, cylinder solenoid valve, rotary cylinder and fixture, and described low-pressure gas source connects triplet, and triplet connects cylinder solenoid valve, cylinder solenoid valve connects rotary cylinder, rotary cylinder jockey; Described air intake opening control device is connected to form by pipeline by high-pressure air source, high-pressure pressure-reducing valve, high-pressure solenoid valve, threeway connector and product air intake opening and high pressure sensor, described high-pressure air source is connected with high-pressure pressure-reducing valve import, high pressure relief valve outlet port connects high-pressure solenoid valve, and high-pressure solenoid valve is connected with product air intake opening with high pressure sensor by threeway connector; Described gas outlet pick-up unit comprises product gas outlet, threeway connector, low pressure sensor and two-port valve and flow sensor, and described product gas outlet is by threeway connector, and one end connects low pressure sensor, and the other end is by two-port valve connection traffic sensor; Described electric apparatus control apparatus comprises the single-chip microcomputer as central control unit, the relay of realizing switch control and the whether qualified display circuit of demonstration product, described single-chip microcomputer is connected with relay, high pressure sensor, low pressure sensor and flow sensor and display circuit, and described relay is connected with high-pressure solenoid valve, two-port valve and cylinder solenoid valve.
2. the intelligent detection equipment of a kind of operation valve according to claim 1, it is characterized in that: described fixture consists of upper fixture and lower clamp, upper fixture is connected with rotary cylinder and product gas outlet is set, and lower clamp is fixed on apparatus casing and product air intake opening is set.
3. the intelligent detection equipment of a kind of operation valve according to claim 1, is characterized in that: described high-pressure solenoid valve is the two-bit triplet solenoid valve for high pressure, controls pressurization and the pressure release of high pressure.
4. the intelligent detection equipment of a kind of operation valve according to claim 1, is characterized in that: described cylinder solenoid valve is two five-way low-voltage solenoid valves, controls the commutation of rotary cylinder pipeline gas, makes cylinder rotation and piston drive fixture up-downgoing.
5. the intelligent detection equipment of a kind of operation valve according to claim 1, is characterized in that: described two-port valve is a kind of Electromagnetic Drive switch, for controlling the circulation of operation valve gas outlet flow sensor gas piping and closing.
6. the intelligent detection equipment of a kind of operation valve according to claim 1, it is characterized in that: the signal end of described high pressure sensor, low pressure sensor and flow sensor is connected to the A/D pin of single-chip microcomputer by current-limiting resistance, single-chip microcomputer gathers its data.
7. the intelligent detection equipment of a kind of operation valve according to claim 1, is characterized in that: described display circuit is that single-chip microcomputer shows the data of high pressure sensor, low pressure sensor and flow sensor collection and shows by LED lamp whether product is qualified; The I/O mouth of single-chip microcomputer is connected with driving chip 74HC595, and 74HC595 driving LED piece and LED lamp carry out static state and show.
8. the intelligent detection equipment of a kind of operation valve according to claim 1, it is characterized in that: the I/O mouth of described single-chip microcomputer is connected with photoelectrical coupler TLP521-1, TLP521-1 is connected with darlington transistor array ULN2003, ULN2003 is connected with relay, and relay is connected with high-pressure solenoid valve, cylinder solenoid valve and two-port valve.
9. according to the intelligent detection equipment of a kind of operation valve described in claim 1 or 8, it is characterized in that: main contacts one end of described relay is connected with output end of stabilized voltage supply, and the other end is connected with ULN2003; The auxiliary contact one end of often opening of relay is connected with the output terminal of stabilized voltage supply, and the other end is connected with high-pressure solenoid valve, cylinder solenoid valve and two-port valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282262.7U CN203881529U (en) | 2014-05-29 | 2014-05-29 | Intelligent detection device for control valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282262.7U CN203881529U (en) | 2014-05-29 | 2014-05-29 | Intelligent detection device for control valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881529U true CN203881529U (en) | 2014-10-15 |
Family
ID=51682015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420282262.7U Expired - Fee Related CN203881529U (en) | 2014-05-29 | 2014-05-29 | Intelligent detection device for control valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203881529U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482915A (en) * | 2016-12-15 | 2017-03-08 | 四川红光汽车机电有限公司 | A kind of air inlet relief valve adnexa assembly leakage flow automatic checkout equipment |
| CN106768058A (en) * | 2016-12-30 | 2017-05-31 | 武汉泰安晶液态金属科技有限公司 | One kind shut-off valve test device |
| CN109115484A (en) * | 2018-09-29 | 2019-01-01 | 重庆智慧水务有限公司 | Valve Auto-Test System and method before a kind of Water meter |
-
2014
- 2014-05-29 CN CN201420282262.7U patent/CN203881529U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482915A (en) * | 2016-12-15 | 2017-03-08 | 四川红光汽车机电有限公司 | A kind of air inlet relief valve adnexa assembly leakage flow automatic checkout equipment |
| CN106482915B (en) * | 2016-12-15 | 2019-02-26 | 四川红光汽车机电有限公司 | A kind of air inlet relief valve attachment assembly leakage flow automatic checkout equipment |
| CN106768058A (en) * | 2016-12-30 | 2017-05-31 | 武汉泰安晶液态金属科技有限公司 | One kind shut-off valve test device |
| CN109115484A (en) * | 2018-09-29 | 2019-01-01 | 重庆智慧水务有限公司 | Valve Auto-Test System and method before a kind of Water meter |
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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: 20141015 Termination date: 20210529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |