CN207351615U - The control system of wall-hung boiler inlet duct air-leakage test platform - Google Patents
The control system of wall-hung boiler inlet duct air-leakage test platform Download PDFInfo
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- CN207351615U CN207351615U CN201721219367.8U CN201721219367U CN207351615U CN 207351615 U CN207351615 U CN 207351615U CN 201721219367 U CN201721219367 U CN 201721219367U CN 207351615 U CN207351615 U CN 207351615U
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Abstract
The utility model discloses a kind of control system of wall-hung boiler inlet duct air-leakage test platform, it is related to the performance detection technical field of wall-hung boiler assembling process, including workbench and some holders for being used to place different parts being arranged on workbench, holder offers the opening stretched into for hand towards the side of operation station, control system, which further includes, is arranged at being used to detect staff and whether take the detection device of clip on clip holder lateral wall, the control process device that simultaneously output control air-tightness detection device starts is connected with detection device signal, wherein, detection device includes the first photoelectric sensor being arranged on side adjacent with side where opening on clip holder, whether the first photoelectric sensor is used to detecting staff takes clip, and detection signal is exported to processing unit；Avoid worker and forget that the situation of mounting clip occurs, improve the safety in utilization of wall-hung boiler.
Description
Technical field
The performance detection technical field of wall-hung boiler assembling process is the utility model is related to, more specifically, it relates to a kind of
The control system of wall-hung boiler inlet duct air-leakage test platform.
Background technology
Wall-hung boiler is the abbreviation of burnt gas wall hanging furnace, is a kind of water heater using natural gas as the energy, so being set in wall-hung boiler
It is equipped with the inlet duct for spray feed natural gas and mixed gas.As shown in Figure 1, inlet duct 11 includes air inlet main body 12, curved
Pipe fitting 13 and jet thrust 14, wherein, air inlet and gas outlet are offered in air inlet main body 12, is assembling the inlet duct 11
When, O-ring seal 15 is first arranged with the gas outlet of air inlet main body 12,13 one end of union elbow is set in outside O-ring seal 15,
The other end is bolted with jet thrust 14.In order to prevent in wall-hung boiler in transit, since road jolts, air inlet main body is caused
12 depart from union elbow 13, and air inlet main body 12 and 13 junction of union elbow are arranged with clip 16, can by air inlet main body 12 with
Union elbow 13 is more firmly fixed.
Above-mentioned air inlet main body, union elbow and jet thrust is generally assembled on air-leakage test platform, has been assembled
The air-tightness of inlet duct is detected using air-tightness detection device into rear.But during detection, if installation
Clip is not influenced for testing result, even if namely worker forget to be mounted with clip in assembling, for inlet duct
Air-leakage test result is also qualified, so, if the inlet duct for forgetting to be mounted with clip is installed into wall-hung boiler
In, when later stage user uses the wall-hung boiler, gas leakage is be easy to cause, there are security hidden trouble.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of wall-hung boiler inlet duct is airtight
The control system of property detection platform, can prevent that user from forgetting mounting clip, improve the security of wall-hung boiler.
To achieve the above object, the utility model provides following technical solution：
A kind of control system of wall-hung boiler inlet duct air-leakage test platform, including workbench and it is arranged at the work
Some on platform are used to place the holders of different parts, it is characterised in that the holder towards operation station one
Side offers the opening stretched into for hand, and the control system further includes：
Detection device, is arranged at the lateral wall of the clip holder for placing clip, is for detecting staff
No clip of taking, and export detection signal；
Processing unit, is arranged on the workbench, is connected with the detection device signal to receive the detection signal,
And the control signal that output control air-tightness detection device starts；
Wherein, the detection device include being arranged on clip holder with where opening on the adjacent side in side the
One photoelectric sensor, whether first photoelectric sensor is used to detecting staff takes clip, and exports detection signal extremely
The processing unit.
By using above-mentioned technical proposal, the side of holder towards operation station is provided with opening, and worker is in group
, it is necessary to stretch into fetching parts in holder by opening when filling part, when the hand of worker puts in opening, the first photoelectric transfer
Sensor has detected that hand stretches into, and the detection signal of output changes, can after processing unit receives the detection signal after change
Air-tightness detection device is controlled to start, namely only when the first photoelectric sensor detects that hand is stretched into for placing putting for clip
When putting in box, directly think that worker is mounted with clip on the inlet duct of assembling, the gas of inlet duct can be carried out afterwards
Close property detection, can start air-tightness detection device, avoiding problems the situation generation that worker forgets mounting clip, improve wall
Hang the safety in utilization of stove.
Further, the detection device further includes the second photoelectric transfer being arranged on clip holder opening opposite side
The transmitting light of sensor, first photoelectric sensor and second photoelectric sensor is vertical, and second photoelectric sensor
Output second detects signal to processing unit.
By using above-mentioned technical proposal, the cooperation of the second photoelectric sensor and the first photoelectric sensor can improve detection work
Human hand puts in the accuracy of opening, avoids that there is a situation where worker has taken clamping but detection device does not detect；Prevented also from
Worker's false triggering detection device when other parts are taken, so as to can also improve the accuracy of detection device detection.
Further, the processing unit includes:
Two input AND gate circuits, its input terminal is coupled to first photoelectric sensor and the second photoelectric sensor, to connect
Receive the detection signal and the second detection signal, output terminal output switching signal；
Switch module, has input terminal and output terminal, its input terminal is coupled to the output terminal of the two inputs AND gate circuit
To receive the switching signal, output terminal exports the control signal to air-tightness detection device, to control air-leakage test to fill
The keying put.
By using above-mentioned technical proposal, when the signal that the first photoelectric sensor and the second photoelectric sensor export occurs
Change, such as works as the first photoelectric sensor and the second photoelectric sensor has detected that hand stretches into opening, exports high level respectively
Signal and the second detection signal are detected, the switching signal of two input AND gate circuits output high level is to switch module, switch module
Air-tightness detection device is controlled to start after receiving the high level signal.
Further, the switch module includes：
NPN triode Q1, its base stage are coupled to the output terminal of the two inputs AND gate circuit to receive the switching signal,
Emitter is grounded, and collector is coupled to the coil of relay KA；
Relay KA, its contact both ends are respectively coupled to supply voltage and air-tightness detection device.
By using above-mentioned technical proposal, when the switching signal of the output terminal output high level of two input AND gate circuits,
The base stage of NPN triode Q1 obtains high level signal, the collector and emitter conducting of NPN triode Q1, the line of relay KA
Circle is powered, and closes contact, and air-tightness detection device is in running order.
Further, the switch module further includes the diode of releasing with the coil reverse parallel connection of the relay KA
D2。
By using above-mentioned technical proposal, the coil of relay KA can produce magnetic field when being powered is attracted contact, and disconnected
The moment of electricity, this backward voltage could possibly be higher than since the effect in this magnetic field, coil both ends can produce very high backward voltage
The supply voltage of several times, it is more likely that cause the abnormal or even punch through damage NPN triode Q1 of other components work in circuit；
Release the setting of diode D2, this backward voltage can be made to have a bleed-off circuit, so can be to avoid damaging other components.
Further, the contact both ends of the relay KA are parallel with varistor RU.
By using above-mentioned technical proposal, in the case of energization, the contact of relay KA instantaneously closes, and can produce very big arc
Pressure, impact of the arc voltage to other components can be reduced after adding varistor RU, while also protects contact, it is not easy to damaged.
Compared with prior art, the utility model has the advantages that：By being set in the holder side for placing clip
Whether the first photoelectric sensor and the second photoelectric sensor, detectable worker have taken clip, if detecting that clip is taken,
Then processing unit control air-tightness detection device work；Otherwise air-tightness detection device is in off position；So as to avoid
Worker forgets that the situation of mounting clip occurs, and improves the safety in utilization of wall-hung boiler.
Brief description of the drawings
Fig. 1 is the structure diagram of inlet duct in the utility model background technology；
Fig. 2 is the partial structural diagram in holder region on workbench；
The circuit diagram of Fig. 3 systems in order to control.
Reference numeral：1st, workbench；2nd, holder；3rd, it is open；4th, detection device；5th, processing unit；6th, the first photoelectric transfer
Sensor；7th, the second photoelectric sensor；8th, two input AND gate circuit；9th, switch module；10th, air-tightness detection device；11st, air inlet fills
Put；12nd, air inlet main body；13rd, union elbow；14th, jet thrust；15th, O-ring seal；16th, clip.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of control system of wall-hung boiler inlet duct air-leakage test platform, with reference to Fig. 2, including workbench 1 and setting
In some holders 2 for being used to place different parts on workbench 1, holder 2 is opened towards the side of operation station
Equipped with the opening 3 stretched into for hand.These holders 2 can be used for placing the parts such as clip, O-ring seal 15, bolt, in figure
Shown, if the holder 2 for being defined as the lower left corner is the clip holder for placing clip, worker can be taken by opening 3
Clip 16 in card taking folder holder.
In order to avoid worker forgets to give inlet duct 11 mounting clip 16, inspection is provided with the lateral wall of clip holder
Device 4 is surveyed, whether is taken clip 16 for detecting staff；Detection device 4 includes being arranged on clip holder positioned at opening
First photoelectric sensor 6 of 3 place side adjacent sides of mouth, and second be located on 3 opposite side of clip holder opening
The transmitting light of photoelectric sensor 7, the first photoelectric sensor 6 and the second photoelectric sensor 7 is vertical so that worker is taken by opening 3
Card taking folder 16 makes, and can be detected by the first photoelectric sensor 6 and the second photoelectric sensor 7.When 6 He of the first photoelectric sensor
Second photoelectric sensor 7 detect worker take clip 16 when, respectively export high level detection signal and second detection letter
Number.
The processing unit 5 being connected with 4 signal of detection device is provided with workbench 1, processing unit 5 receives the first photoelectric transfer
After the detection signal of 6 and second photoelectric sensor 7 of sensor output and the second detection signal, output control air-tightness is examined after processing
Survey the control signal that device 10 starts.Processing unit 5 includes two input AND gate circuits 8 and switch module 9, two input AND gate circuits
8 input terminal is coupled to the first photoelectric sensor 6 and the second photoelectric sensor 7, to receive detection signal and the second detection signal,
Output terminal output switching signal, only when the first photoelectric sensor 6 and the second photoelectric sensor 7 detect that worker takes clip
16, the switching signal of the output terminal output high level of two input AND gate circuits 8.
Switch module 9 has input terminal and an output terminal, its input terminal is coupled to the output terminals of two input AND gate circuits 8 to connect
Switching signal is received, output terminal outputs control signals to air-tightness detection device 10, to control the keying of air-tightness detection device 10.
Wherein, switch module 9 includes NPN triode Q1, relay KA, release diode D2 and varistor RU, NPN triode Q1
Base stage is coupled to the output terminals of two input AND gate circuits 8 to receive switching signal, emitter ground connection, collector coupling by resistance R9
The coil of relay KA is connected to, wherein, it is connected with resistance R10 between the base stage and emitter of NPN triode Q1.Relay KA's
Contact both ends are respectively coupled to supply voltage and air-tightness detection device 10.In addition, the coil reverse parallel connection of relay KA is let out
Diode D2 is put, the contact both ends of relay KA are parallel with varistor RU.When switching signal is high level signal, NPN tri-
The collector and emitter conducting of pole pipe Q1, the contact closure of relay KA, air-tightness detection device 10 work, i.e., only work as work
People has taken clip 16, then automatic decision is mounted with clip 16 for inlet duct 11, and at this time, air-tightness detection device 10 could be right
The inlet duct 11 is detected.
It should be noted that processing unit 5 can use microcontroller.
The operation principle of the utility model：
When worker toward take in clip holder clip 16 when, it is automatic assert can toward mounting clip 16 in inlet duct 11,
At this time, the first photoelectric sensor 6 and the second photoelectric sensor 7 export the detection signal and the second detection signal of high level respectively,
Two input AND gate circuits 8 export the switching signal of high level, after the base stage of NPN triode Q1 receives high level signal, NPN tri-
Pole pipe Q1 is turned on so that the coil of relay KA obtains electric its contact of closure, and air-tightness detection device 10 is in running order；It is no
Then, air-tightness detection device 10 does not work.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of control system of wall-hung boiler inlet duct air-leakage test platform, including workbench (1) and it is arranged at the work
Make some holders (2) for being used to place different parts on platform (1), it is characterised in that the holder (2) is grasped towards worker
The side for making station offers the opening (3) stretched into for hand, and the control system further includes：
Detection device (4), is arranged at the lateral wall of the clip holder for placing clip, for whether detecting staff
Take clip (16), and export detection signal；
Processing unit (5), is arranged on the workbench (1), is connected with the detection device (4) signal to receive the detection
Signal, and the control signal that output control air-tightness detection device (10) starts；
Wherein, the detection device (4) includes being arranged on side adjacent with side where opening (3) on clip holder
First photoelectric sensor (6), whether first photoelectric sensor (6) is used to detecting staff takes clip (16), and defeated
Go out to detect signal to the processing unit (5).
2. the control system of wall-hung boiler inlet duct air-leakage test platform according to claim 1, it is characterised in that institute
State detection device (4) and further include the second photoelectric sensor (7) being arranged on clip holder opening (3) opposite side, it is described
The transmitting light of first photoelectric sensor (6) and second photoelectric sensor (7) is vertical, and second photoelectric sensor (7)
Output second detects signal to processing unit (5).
3. the control system of wall-hung boiler inlet duct air-leakage test platform according to claim 2, it is characterised in that institute
Stating processing unit (5) includes:
Two input AND gate circuits (8), its input terminal are coupled to first photoelectric sensor (6) and the second photoelectric sensor (7),
To receive the detection signal and the second detection signal, output terminal output switching signal；
Switch module (9), has input terminal and output terminal, its input terminal is coupled to the output of the two input AND gate circuit (8)
End is to receive the switching signal, and output terminal exports the control signal to air-tightness detection device (10), to control air-tightness
The keying of detection device (10).
4. the control system of wall-hung boiler inlet duct air-leakage test platform according to claim 3, it is characterised in that institute
Stating switch module (9) includes：
NPN triode Q1, its base stage are coupled to the output terminal of the two input AND gate circuit (8) to receive the switching signal,
Emitter is grounded, and collector is coupled to the coil of relay KA；
Relay KA, its contact both ends are respectively coupled to supply voltage and air-tightness detection device (10).
5. the control system of wall-hung boiler inlet duct air-leakage test platform according to claim 4, it is characterised in that institute
State switch module (9) and further include the diode D2 that releases with the coil reverse parallel connection of the relay KA.
6. the control system of wall-hung boiler inlet duct air-leakage test platform according to claim 5, it is characterised in that institute
The contact both ends for stating relay KA are parallel with varistor RU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721219367.8U CN207351615U (en) | 2017-09-21 | 2017-09-21 | The control system of wall-hung boiler inlet duct air-leakage test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721219367.8U CN207351615U (en) | 2017-09-21 | 2017-09-21 | The control system of wall-hung boiler inlet duct air-leakage test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351615U true CN207351615U (en) | 2018-05-11 |
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ID=62411325
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721219367.8U Active CN207351615U (en) | 2017-09-21 | 2017-09-21 | The control system of wall-hung boiler inlet duct air-leakage test platform |
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| CN (1) | CN207351615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798064A (en) * | 2020-12-25 | 2021-05-14 | 重庆川仪自动化股份有限公司 | Production line for processing and detecting pipeline type electromagnetic flowmeter |
-
2017
- 2017-09-21 CN CN201721219367.8U patent/CN207351615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798064A (en) * | 2020-12-25 | 2021-05-14 | 重庆川仪自动化股份有限公司 | Production line for processing and detecting pipeline type electromagnetic flowmeter |
| CN112798064B (en) * | 2020-12-25 | 2023-01-24 | 重庆川仪自动化股份有限公司 | Production line for processing and detecting pipeline type electromagnetic flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200622 Address after: No.2000 guangqiong Road, economic and Technological Development Zone, Jiaxing City, Zhejiang Province, 314000 Patentee after: Xiderri heating and cooling equipment Co., Ltd Address before: 201600 Songjiang District 3, 4, Guanghua Road, Songjiang District, Shanghai Patentee before: BDR THERMEA (SHANGHAI) Co.,Ltd. |
|
| TR01 | Transfer of patent right |