CN202631217U - Blow molding drain pipe gas tightness detection device - Google Patents
Blow molding drain pipe gas tightness detection device Download PDFInfo
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- CN202631217U CN202631217U CN 201220287608 CN201220287608U CN202631217U CN 202631217 U CN202631217 U CN 202631217U CN 201220287608 CN201220287608 CN 201220287608 CN 201220287608 U CN201220287608 U CN 201220287608U CN 202631217 U CN202631217 U CN 202631217U
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- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 238000000071 blow moulding Methods 0.000 title abstract 2
- 238000007664 blowing Methods 0.000 claims description 24
- 230000002950 deficient Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000004397 blinking Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a pipeline air tightness detection device, in particular to an air tightness detection device for a blow molding drain pipe, which comprises a starting switch, an air inlet time relay, a solenoid valve, a pressure maintaining time relay, a precise digital pressure sensor, a detection time relay and an alarm device; the power output end of the aforementioned starting switch is connected with the coil both ends of the air inlet time relay, the normally closed output end and the normally open output end of the air inlet time relay are respectively connected with the coil both ends of the relay and the pressure maintaining time relay, the normally open output end of the relay is connected with the coil both ends of the electromagnetic valve, the output end of the electromagnetic valve is connected with the detection input end of the precise digital pressure sensor, the input and output port of the precise digital pressure sensor is respectively connected with the normally closed output end of the detection time relay and the input end of the alarm device, the normally open output end of the pressure maintaining time relay is connected with the coil both ends of the detection time relay, and the detection input end of the precise digital pressure sensor.
Description
Technical field
The utility model relates to a kind of pipeline air tightness detection equipment, particularly a kind ofly is used to detect the bubble-tight blowing drainpipe of drainpipe air-tightness detection device.
Background technology
Drainpipe not only will be filled with water in the mistakes process of using, and row's water also has certain pressure, in order to make its stable and reliable work, so their impermeability is had certain requirement, especially the blowing drainpipe.Present most of producers check blowing drainpipe impermeability all is the water check, sees by manual work.There is the globule on water check back blowing drainpipe surface, dry the globule could case, and check not only inefficiency like this, and the reviewer steeps in water in evil case the pushing phase.The producer that has also adopts the pressurized air check, in the blowing drainpipe, feeds the pressurized air of certain pressure, checks the blowing drainpipe impermeability whether the blowing drainpipe leaks gas and examine; This mode judges whether to exist gas leakage, must lean on the reviewer to listen with ear, and checkability is low so on the one hand; On the other hand; The influence of the interference of examined environment and reviewer's hearing can not guarantee validity and the reliability checked to have bigger security-hidden trouble.
Summary of the invention
The purpose of the utility model is to overcoming the deficiency of prior art; A kind of blowing drainpipe air-tightness detection device is provided; It is simple in structure, realizes that robotization detects, and fundamentally changes original situation of judging by manual work; Guarantee the validity and the reliability of check, the flase drop and the omission that have produced owing to artificial judgment before having avoided.
The utility model is the deficiency that overcomes prior art; Adopted following technical scheme: a kind of blowing drainpipe air-tightness detection device is characterized in that comprising starting switch, inlet period relay, relay, solenoid valve, dwell time relay, precision digital pressure transducer, detection time relay, warning device; The power output end of aforementioned starting switch is connected with the coil two ends of inlet period relay; The normally closed output terminal of inlet period relay is connected with the coil two ends of relay and dwell time relay respectively with the Chang Kai output terminal; The output terminal of often opening of relay is connected with the coil two ends of solenoid valve; The output terminal of solenoid valve is connected with the detection input end of precision digital pressure transducer; The IO port of precision digital pressure transducer respectively with detection time relay normally closed output terminal and the input end of warning device be connected; The dwell time relay often open output terminal with detection time relay the coil two ends be connected, the detection input end of precision digital pressure transducer also with the body of peripheral hardware blowing drainpipe on quilt pick up and survey end and be connected.
Blowing drainpipe air-tightness detection device by the utility model provides when carrying out detection, starts starting switch; The power output end conducting of starting switch makes inlet period relay coil energized, simultaneously the normally closed output terminal conducting of inlet period relay; The power supply of engage relay coil; The coil of often driving output terminal conducting solenoid valve of relay is opened solenoid valve and is begun air inlet, and the output terminal of solenoid valve is parallel to the detection input end of precision digital pressure transducer.When the inlet period (like 2S) of inlet period relay then, the normally closed output terminal of inlet period relay breaks off the coil blackout of solenoid valve; Close solenoid valve, air inlet stops, at this moment; The conducting of inlet period relay normally open output terminal, the power supply of connection dwell time relay coil, pressurize picks up counting; When the dwell time (like 2S) then, the dwell time relay often open the output terminal conducting, connect the power supply of relay coil detection time; The precision digital pressure transducer is connected in the normally closed output terminal conducting of relay detection time, detects simultaneously to pick up counting; The precision digital pressure transducer compares blowing drain pipe body air pressure signal that collects and the upper and lower limit atmospheric pressure value that is provided with in advance, the IO port of comparing result through the precision digital pressure transducer, is sent to the input end of warning device; Warning device is judged according to the signal that precision digital pressure transducer IO port sends; It is bright that blowing drainpipe impermeability detects qualified green light, detects defective blinking red lamp, and hummer rings the prompting testing staff.The blowing drainpipe air-tightness detection device that provides by the utility model; It is simple in structure; Realized the robotization detection; It has fundamentally changed original situation of judging by manual work, has guaranteed the validity and the reliability of check, thereby has avoided the flase drop and the omission that produce owing to artificial judgment.
Description of drawings
The utility model said structure can further specify through the indefiniteness embodiment that accompanying drawing provided.
Fig. 1 is the circuit block diagram of the utility model;
Fig. 2 is the circuit block diagram of warning device in the utility model;
Fig. 3 is the circuit theory diagrams of warning device.
Embodiment
The embodiment of the utility model is described with reference to the accompanying drawings.In the embodiment depicted in fig. 1; A kind of blowing drainpipe air-tightness detection device comprises starting switch 1, inlet period relay 2, relay 3, solenoid valve 4, dwell time relay 5, precision digital pressure transducer 6, detection time relay 7, warning device 8; The power output end of aforementioned starting switch 1 is connected with the coil two ends of inlet period relay 2; The normally closed output terminal of inlet period relay 2 is connected with the coil two ends of relay 3 and dwell time relay 5 respectively with the Chang Kai output terminal; The output terminal of often opening of relay 3 is connected with the coil two ends of solenoid valve 4; The output terminal of solenoid valve 4 is connected with the detection input end of precision digital pressure transducer 6; The IO port of precision digital pressure transducer 6 respectively with detection time relay 7 the normally closed output terminal and the input end of warning device 8 be connected; Dwell time relay 5 often open output terminal with detection time relay 7 coil two ends be connected, the detection input end of precision digital pressure transducer 6 also with the body of peripheral hardware blowing drainpipe on quilt pick up and survey end and be connected.
In the embodiment shown in Figure 2, aforesaid warning device 8 comprises signal processor 9, relay 10, defective indicator 11, accepted indicator 12; The input end of analog signal of signal processor 9 is connected with the IO port of aforementioned precision digital pressure transducer 6; The signal output part of signal processor 9 is connected with the coil two ends of relay 10; The output terminal of often opening of relay 10 is connected with the input end of defective indicator 11, and the normally closed output terminal of relay 10 is connected with the input end of accepted indicator 12.
In the embodiment depicted in fig. 3; The signal processor 9 of aforesaid warning device 8 comprises single-chip microcomputer U1 and peripheral component; The simulating signal IO port of this single-chip microcomputer is connected with the IO port of aforementioned precision digital pressure transducer 6, and the collector of the triode Q on the signal output port of single-chip microcomputer U1 is connected with the coil two ends of aforementioned relay 10 with earth terminal.Aforesaid defective indicator 11 comprises a red led D1 and a hummer Y, and red led and hummer are connected in series, and the other end of red led is connected with the normally opened contact of aforementioned relay 10, the other end ground connection of hummer; Aforesaid accepted indicator 12 adopts a green indicating lamp D2, and the two ends of this green indicating lamp are connected with earth terminal with the normally closed contact of aforementioned relay 10 respectively.
When carrying out detection, start starting switch 1, the power output end C of starting switch and NO pin; Make coil 2, the 7 pin energized of inlet period relay 2; Normally closed output terminal 5, the 8 pin conductings of inlet period relay simultaneously, the power supply of engage relay 3 coils 13,14 pin, coil 1,2 pin of often driving output terminal 5,7 pin conducting solenoid valves 4 of relay; Open solenoid valve and begin air inlet, the output terminal OUT end of solenoid valve is parallel to the detection input end C4 end of precision digital pressure transducer 6.When the inlet period (like 2S) of inlet period relay 2 then, normally closed output terminal 5,8 pin of inlet period relay 2 break off, coil 1, the 2 pin outage of solenoid valve 4; Close solenoid valve, air inlet stops, at this moment; Inlet period relay 2 is often opened output terminal 6,8 pin conductings, connects the power supply of dwell time relay 5 coils 2,7 pin, and pressurize picks up counting; When the dwell time (like 2S) then, dwell time relay 5 often open output terminal 6,8 pin conductings, connect the power supply of relay 7 coils 2,7 pin detection time; Normally closed output terminal 5, the 8 pin conductings of relay detection time; Connect precision digital pressure transducer 6 input/output terminal HW, YG pin, detection simultaneously picks up counting, and precision digital pressure transducer 6 compares blowing drain pipe body air pressure signals that collect and the upper and lower limit atmospheric pressure value that is provided with in advance; Input/output terminal HW, the GY pin of comparing result, be sent to input end X1, the X2 pin of warning device 8 through precision digital pressure transducer 6.The single-chip microcomputer U1 of signal processor 9 in the warning device; Adopting model is the single-chip microcomputer of STC 12C5205-AD; The simulating signal IO port P1.4 of single-chip microcomputer U1, P1.7 pin receive the HW of precision digital pressure transducer 6, the signal of GY pin output; Single-chip microcomputer U1 judges the signal that precision digital pressure transducer IO port sends after carrying out A/D conversion, and the collector of the triode Q of judged result from the single-chip microcomputer U1 output port P3.7 is exported signal with earth terminal GND; Be switched on or switched off coil 14,13 pin of relay 10; The defective indicator 11 of output terminal 5, the 10 foot control systems of often opening of relay 10, normally closed output terminal 2, the 10 foot control system accepted indicators 12 of relay 10, it is bright that blowing drainpipe impermeability detects qualified then green light D2; Detect defective then red light D1 flicker, hummer Y sends chimes of doom prompting testing staff.
The foregoing description also only is to be used to explain the utility model, is not the restriction to the utility model, under the design prerequisite of the utility model, to the improvement of the utility model, all belongs to the scope of the utility model claim protection.
Claims (4)
1. a blowing drainpipe air-tightness detection device is characterized in that comprising starting switch (1), inlet period relay (2), relay (3), solenoid valve (4), dwell time relay (5), precision digital pressure transducer (6), relay detection time (7), warning device (8); The power output end of aforementioned starting switch (1) is connected with the coil two ends of inlet period relay (2); The normally closed output terminal of inlet period relay (2) is connected with the coil two ends of relay (3) with dwell time relay (5) respectively with the Chang Kai output terminal; The output terminal of often opening of relay (3) is connected with the coil two ends of solenoid valve (4); The output terminal of solenoid valve (4) is connected with the detection input end of precision digital pressure transducer (6); The IO port of precision digital pressure transducer (6) is connected with the normally closed output terminal of relay detection time (7) and the input end of warning device (8) respectively; The output terminal of often opening of dwell time relay (5) is connected with the coil two ends of relay detection time (7), the detection input end of precision digital pressure transducer (6) also with the body of peripheral hardware blowing drainpipe on quilt pick up and survey end and be connected.
2. blowing drainpipe air-tightness detection device according to claim 1 is characterized in that aforesaid warning device (8) comprises signal processor (9), relay (10), defective indicator (11), accepted indicator (12); The input end of analog signal of signal processor (9) is connected with the IO port of aforementioned precision digital pressure transducer (6); The signal output part of signal processor (9) is connected with the coil two ends of relay (10); The output terminal of often opening of relay (10) is connected with the input end of defective indicator (11), and the normally closed output terminal of relay (10) is connected with the input end of accepted indicator (12).
3. blowing drainpipe air-tightness detection device according to claim 2; The signal processor (9) that it is characterized in that aforesaid warning device (8) comprises single-chip microcomputer (U1) and peripheral component; The simulating signal IO port of this single-chip microcomputer is connected with the IO port of aforementioned precision digital pressure transducer (6), and the collector of the triode (Q) on the signal output port of single-chip microcomputer (U1) is connected with the coil two ends of earth terminal with aforementioned relay (10).
4. blowing drainpipe air-tightness detection device according to claim 2; Aforesaid defective indicator (11) comprises a red led (D1) and a hummer (Y); Red led and hummer are connected in series; The other end of red led is connected with the normally opened contact of aforementioned relay (10), the other end ground connection of hummer; Aforesaid accepted indicator (12) adopts a green indicating lamp (D2), and the two ends of this green indicating lamp are connected with earth terminal with the normally closed contact of aforementioned relay (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220287608 CN202631217U (en) | 2012-06-19 | 2012-06-19 | Blow molding drain pipe gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220287608 CN202631217U (en) | 2012-06-19 | 2012-06-19 | Blow molding drain pipe gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631217U true CN202631217U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220287608 Expired - Lifetime CN202631217U (en) | 2012-06-19 | 2012-06-19 | Blow molding drain pipe gas tightness detection device |
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| Country | Link |
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| CN (1) | CN202631217U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738133A (en) * | 2019-03-14 | 2019-05-10 | 天津索玛科技有限公司 | A kind of medical sheath test device for air tightness convenient for operation |
| CN112924108A (en) * | 2021-02-25 | 2021-06-08 | 武汉飞恩微电子有限公司 | Pressure sensor leak detection test control circuit and device |
| CN114347433A (en) * | 2022-02-16 | 2022-04-15 | 西安长鸿塑料制品有限公司 | Repeated blow molding transformation device of blow molding system of blow molding machine and control method thereof |
-
2012
- 2012-06-19 CN CN 201220287608 patent/CN202631217U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738133A (en) * | 2019-03-14 | 2019-05-10 | 天津索玛科技有限公司 | A kind of medical sheath test device for air tightness convenient for operation |
| CN112924108A (en) * | 2021-02-25 | 2021-06-08 | 武汉飞恩微电子有限公司 | Pressure sensor leak detection test control circuit and device |
| CN114347433A (en) * | 2022-02-16 | 2022-04-15 | 西安长鸿塑料制品有限公司 | Repeated blow molding transformation device of blow molding system of blow molding machine and control method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
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| CX01 | Expiry of patent term |