CN204437416U - A kind of based on hyperacoustic pass valve mechanism hand - Google Patents
A kind of based on hyperacoustic pass valve mechanism hand Download PDFInfo
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- CN204437416U CN204437416U CN201520028092.4U CN201520028092U CN204437416U CN 204437416 U CN204437416 U CN 204437416U CN 201520028092 U CN201520028092 U CN 201520028092U CN 204437416 U CN204437416 U CN 204437416U
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Abstract
The utility model discloses a kind of based on hyperacoustic pass valve mechanism hand, comprise: ultrasound receiving sensor, receiving circuit, decoder, driven unit, mechanism hand, the input end of ultrasound receiving sensor receives the ultrasonic signal of the ultrasound pass valve instruction that external equipment sends, and output terminal is connected with the input end of decoder by receiving circuit; Receiving circuit comprises: filtering and discharge circuit, comparator circuit, and the input end of filtering and discharge circuit is connected with the output terminal of ultrasound receiving sensor; The output terminal of filtering and discharge circuit is connected with the input end of comparator circuit, and the output terminal of comparator circuit is connected with the input end of decoder; The output terminal of decoder is connected with the handle of mechanism hand by driven unit, and the rotating shaft of mechanism hand is connected with valve.Simplify installation steps by of the present utility model based on hyperacoustic pass valve mechanism hand, make installation process more convenient, rapid, save the engineering time, improve efficiency of construction.
Description
Technical field
The utility model relates to technical field of valve control, and particularly one is based on hyperacoustic pass valve mechanism hand.
Background technique
Mechanism hand is a kind of new device grown up in mechanization, automatic production process, and in present-day procedure, mechanism hand is applied in automatic production line widely.The research and production of mechanism hand, becomes in high-tech sector, the emerging technology developed rapidly.
Closing valve mechanism hand is a kind of gas safe equipment, supports the use with fuel gas alarm.Alarm detects gas leakage, and pass valve instruction is sent to mechanism hand, and after mechanism hand receives instruction, automatic self-closing gas valve, ensures gas safe.
But in the prior art, needing by being connected through a wired connection between mechanism hand and alarm, therefore, when construction operation, causing the installation and maintenance all very inconvenience of mechanism hand, and have impact on the attractive in appearance of whole structure.
Model utility content
Close valve mechanism hand and alarm wired connection to solve the combustion gas existed in prior art, inconvenient problem is installed, the utility model proposes a kind of based on hyperacoustic pass valve mechanism hand.
Of the present utility model based on hyperacoustic pass valve mechanism hand, comprising:
Ultrasound receiving sensor, receiving circuit, decoder, driven unit, mechanism hand,
The input end of ultrasound receiving sensor receives the ultrasonic signal of the ultrasound pass valve instruction that external equipment sends, and output terminal is connected with the input end of decoder by receiving circuit;
Receiving circuit comprises: filtering and discharge circuit, comparator circuit, and the input end of filtering and discharge circuit is connected with the output terminal of ultrasound receiving sensor;
The output terminal of filtering and discharge circuit is connected with the input end of comparator circuit, and the output terminal of comparator circuit is connected with the input end of decoder;
The output terminal of decoder is connected with the handle of mechanism hand by driven unit, and the rotating shaft of mechanism hand is connected with valve.
Preferably, receiving circuit also comprises detector circuit, and the input end of detector circuit is connected with the output terminal of filtering and discharge circuit, and the output terminal of detector circuit is connected with the input end of comparator circuit.
Preferably, filtering and discharge circuit comprise: electric capacity C1, resistance R1, electric capacity C2, resistance R2, resistance R3, resistance R4, operational amplifier A 1, electric capacity C3, resistance R5, resistance R6, operational amplifier A 2, resistance R7, electric capacity C4,
One end of C1 is connected with the output terminal of ultrasound receiving sensor, and the other end of C1 is connected by the inverting input of R2 and A1, and the normal phase input end of A1 is by C2 ground connection;
The normal phase input end of A1 is also by R5 ground connection, and one end of R3 is connected with the common port of C2, R5, another termination supply voltage of R3;
One end of R1 is connected with the common port of C1, R2, the other end ground connection;
The two ends of R4 connect negative-phase input and the output terminal of A1 respectively;
The output terminal of A1 is connected by the negative-phase input of C3, R6 and A2 successively, and the normal phase input end of A2 is connected with the common port of R3, R5, and the output terminal of A2 is connected with detector circuit by C4;
The two ends of R7 connect negative-phase input and the output terminal of A2 respectively.
Preferably, detector circuit comprises: diode D1, diode D2, the negative pole of electric capacity C5, D1, the positive pole of D2 are connected with C4 respectively, the plus earth of D1;
The negative pole of D2 is connected with comparator circuit;
One end of C5 is connected with the negative pole of D2, the other end ground connection.
Preferably, comparator circuit comprises: one end ground connection of resistance R8, electric capacity C6, resistance R9, operational amplifier A 3, resistance R10, R8, and the other end is connected with the negative-phase input of A3;
One end ground connection of C6, the other end is connected with the negative-phase input of A3;
One end of R9 is connected with the negative-phase input of A3, another termination supply voltage;
The normal phase input end of A3 is connected with the negative pole of D2, and output terminal is connected with the input end of decoder by R10.
Preferably, decoder is PT2272 decoding chip.
Preferably, driven unit comprises motor, machine shaft, and motor is connected with the handle of mechanism hand by machine shaft, and driving device hand carries out rotation throttle down.
Of the present utility model based on hyperacoustic pass valve mechanism hand, ultrasound receiving sensor is provided with at mechanism hand end, receive the pass valve instruction that alarm transmits, and corresponding circuit is set, (filtering, amplification, detection, compare) is processed to the electrical signal after the conversion of ultrasound receiving sensor, judge that whether this instruction is that the alarm matched with pass valve mechanism hand sends, and then realize warning function when instructions match.By of the present utility model based on hyperacoustic pass valve mechanism hand, eliminate the wired connection between traditional pass valve mechanism hand and alarm, simplify installation steps, make installation process more convenient, rapid, save the engineering time, improve efficiency of construction.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is circuit theory diagrams of the present utility model.
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-ultrasound receiving sensor, 2-receiving circuit, 3-decoder, 4-driven unit, 5-mechanism hand.
Embodiment
Below in conjunction with accompanying drawing, several embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
Close valve mechanism hand and alarm wired connection to solve the combustion gas existed in prior art, inconvenient problem is installed, the utility model proposes a kind of based on hyperacoustic pass valve mechanism hand.
The utility model closes valve mechanism hand receives external equipment (as alarm) pass valve instruction mainly through ultrasound receiving sensor, the ultrasonic signal closing valve instruction is converted to electrical signal, again filtering, detection, amplification are carried out to electrical signal, finally carry out decoding to this electrical signal to identify, judge whether it is the pass valve instruction that the alarm matched with this pass valve mechanism hand sends, if so, then throttle down, if not then refusing to perform instruction.Ultrasound receiving sensor comprises receiver and transducer, and receive MUT ripple produces mechanical vibration, is converted into electric flux, as the output of receiving sensor, thus detects the ultrasound sent.
As shown in Figure 1 and Figure 2, should comprise based on hyperacoustic pass valve mechanism hand:
Ultrasound receiving sensor 1, receiving circuit 2, decoder 3, driven unit 4, mechanism hand 5, the input end of ultrasound receiving sensor 1 receives the ultrasonic signal of the ultrasound pass valve instruction that external equipment sends, and output terminal is connected with the input end of decoder 3 by receiving circuit 2.
Receiving circuit 2 comprises: filtering and discharge circuit, comparator circuit, and the input end of filtering and discharge circuit is connected with the output terminal of ultrasound receiving sensor; The output terminal of filtering and discharge circuit is connected with the input end of comparator circuit, and the output terminal of comparator circuit is connected with the input end of decoder 3; The output terminal of decoder 3 is connected by the handle of driven unit 4 with mechanism hand 5, and the rotating shaft of mechanism hand 5 is connected with valve.
Preferably, receiving circuit 2 also comprises detector circuit, and the input end of detector circuit is connected with the output terminal of filtering and discharge circuit, and the output terminal of detector circuit is connected with the input end of comparator circuit.
The working principle of this pass valve mechanism hand is as follows:
Close valve mechanism hand to use together with supporting external equipment (as fuel gas alarm), ultrasound receiving sensor 1 receives the ultrasonic signal of the ultrasound pass valve instruction of external equipment, and by the transducer of sensor internal by ultrasonic signal switching electrical signals, and by this electric signal transmission to receiving circuit 2.In order to filtering is converted to the noise produced in electrical signal process at ultrasonic signal, the utility model is provided with eliminator in receiving circuit 2, and eliminator carries out filtering to noise.In addition, due in transmitting procedure, ultrasonic signal is inevitably decayed, and therefore, adopts discharge circuit to amplify the electrical signal after conversion.
Detector circuit is mainly used in extracting after filtering, amplify after electrical signal in envelope (i.e. the change line of signal amplitude); Comparator circuit is mainly used in the level skip signal exporting a standard according to aforesaid envelope, avoids the nonstandard level skip signal by detector circuit exports to be directly inputted in decoder 3, causes the misoperation of decoder 3.Decoder 3 carries out decode operation to the electrical signal received, judge whether this signal is that the fuel gas alarm that this pass valve mechanism hand matches sends, and if so, then sends out code to driven unit 4, the handle of driven unit 4 driving device hand 5 rotates, throttle down; If not, then refusal performs instruction.
As shown in Figure 3, filtering of the present utility model and discharge circuit comprise: electric capacity C1, resistance R1, electric capacity C2, resistance R2, resistance R3, resistance R4, operational amplifier A 1, electric capacity C3, resistance R5, resistance R6, operational amplifier A 2, resistance R7, electric capacity C4, one end of C1 is connected with the output terminal of ultrasound receiving sensor (RX), the other end of C1 is connected by the inverting input of R2 and A1, and the normal phase input end of A1 is by C2 ground connection.
The normal phase input end of A1 is also by R5 ground connection, and one end of R3 is connected with the common port of C2, R5, another termination supply voltage of R3; One end of R1 is connected with the common port of C1, R2, the other end ground connection; The two ends of R4 connect negative-phase input and the output terminal of A1 respectively.
The output terminal of A1 is connected by the negative-phase input of C3, R6 and A2 successively, and the normal phase input end of A2 is connected with the common port of R3, R5, and the output terminal of A2 is connected with detector circuit by C4; The two ends of R7 connect negative-phase input and the output terminal of A2 respectively.
As shown in Figure 3, detector circuit of the present utility model comprises: diode D1, diode D2, the negative pole of electric capacity C5, D1, the positive pole of D2 are connected with C4 respectively, the plus earth of D1; The negative pole of D2 is connected with comparator circuit; One end of C5 is connected with the negative pole of D2, the other end ground connection.
As shown in Figure 3, comparator circuit of the present utility model comprises: one end ground connection of resistance R8, electric capacity C6, resistance R9, operational amplifier A 3, resistance R10, R8, and the other end is connected with the negative-phase input of A3; One end ground connection of C6, the other end is connected with the negative-phase input of A3; One end of R9 is connected with the negative-phase input of A3, another termination supply voltage.
The normal phase input end of A3 is connected with the negative pole of D2, and output terminal is connected with the input end of decoder 3 by R10.
Preferably, decoder 3 of the present utility model can adopt PT2272 decoding chip, supports the use with the coding chip PT2262 coding chip in alarm.Those skilled in the art should understand; in the utility model, decoder 3 is not limited to above-mentioned PT2272 decoding chip, and every circuit/chip that can realize decoding function all should be included in protection domain of the present utility model; this part is prior art, does not repeat them here.
Preferably, driven unit 4 of the present utility model can be motor and machine shaft (be not limited thereto, also can adopt other driving arrangements), and motor is connected with the handle of mechanism hand by machine shaft, and driving device hand 5 carries out rotation throttle down.
Of the present utility model based on hyperacoustic pass valve mechanism hand, ultrasound receiving sensor is provided with at mechanism hand end, receive the pass valve instruction that alarm transmits, and corresponding circuit is set, (filtering, amplification, detection, compare) is processed to the electrical signal after the conversion of ultrasound receiving sensor, judge that whether this instruction is that the alarm matched with pass valve mechanism hand sends, and then realize warning function when instructions match.By of the present utility model based on hyperacoustic pass valve mechanism hand, eliminate the wired connection between traditional pass valve mechanism hand and alarm, simplify installation steps, make installation process more convenient, rapid, save the engineering time, improve efficiency of construction.
Be only several specific embodiment of the present utility model above, but the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (7)
1., based on hyperacoustic pass valve mechanism hand, it is characterized in that, comprising: ultrasound receiving sensor, receiving circuit, decoder, driven unit, mechanism hand,
The input end of described ultrasound receiving sensor receives the ultrasonic signal of the ultrasound pass valve instruction that external equipment sends, and output terminal is connected with the input end of described decoder by described receiving circuit;
Described receiving circuit comprises: filtering and discharge circuit, comparator circuit, and the input end of described filtering and discharge circuit is connected with the output terminal of described ultrasound receiving sensor;
The output terminal of described filtering and discharge circuit is connected with the input end of described comparator circuit, and the output terminal of described comparator circuit is connected with the input end of described decoder;
The output terminal of described decoder is connected by the handle of described driven unit with described mechanism hand, and the rotating shaft of described mechanism hand is connected with valve.
2. according to claim 1 based on hyperacoustic pass valve mechanism hand, it is characterized in that, described receiving circuit also comprises detector circuit, the input end of described detector circuit is connected with the output terminal of described filtering and discharge circuit, and the output terminal of described detector circuit is connected with the input end of described comparator circuit.
3. according to claim 2 based on hyperacoustic pass valve mechanism hand, it is characterized in that, described filtering and discharge circuit comprise: electric capacity C1, resistance R1, electric capacity C2, resistance R2, resistance R3, resistance R4, operational amplifier A 1, electric capacity C3, resistance R5, resistance R6, operational amplifier A 2, resistance R7, electric capacity C4
One end of described C1 is connected with the output terminal of described ultrasound receiving sensor, and the other end of described C1 is connected with the inverting input of described A1 by described R2, and the normal phase input end of described A1 is by described C2 ground connection;
The normal phase input end of described A1 is also by described R5 ground connection, and one end of described R3 is connected with the common port of described C2, R5, another termination supply voltage of described R3;
One end of described R1 is connected with the common port of described C1, R2, the other end ground connection;
The two ends of described R4 connect negative-phase input and the output terminal of described A1 respectively;
The output terminal of described A1 is connected with the negative-phase input of described A2 by described C3, R6 successively, and the normal phase input end of described A2 is connected with the common port of described R3, R5, and the output terminal of described A2 is connected with described detector circuit by described C4;
The two ends of described R7 connect negative-phase input and the output terminal of described A2 respectively.
4. according to claim 3 based on hyperacoustic pass valve mechanism hand, it is characterized in that, described detector circuit comprises: diode D1, diode D2, electric capacity C5, and the negative pole of described D1, the positive pole of described D2 are connected with described C4 respectively, the plus earth of described D1;
The negative pole of described D2 is connected with described comparator circuit;
One end of described C5 is connected with the negative pole of described D2, the other end ground connection.
5. according to claim 4 based on hyperacoustic pass valve mechanism hand, it is characterized in that, described comparator circuit comprises: resistance R8, electric capacity C6, resistance R9, operational amplifier A 3, resistance R10, one end ground connection of described R8, and the other end is connected with the negative-phase input of described A3;
One end ground connection of described C6, the other end is connected with the negative-phase input of described A3;
One end of described R9 is connected with the negative-phase input of described A3, another termination supply voltage;
The normal phase input end of described A3 is connected with the negative pole of described D2, and output terminal is connected with the input end of described decoder by described R10.
6. according to claim 1ly it is characterized in that based on hyperacoustic pass valve mechanism hand, described decoder is PT2272 decoding chip.
7. according to claim 1 based on hyperacoustic pass valve mechanism hand, it is characterized in that, described driven unit comprises motor, machine shaft, and described motor is connected with the handle of described mechanism hand by described machine shaft, drives described mechanism hand to carry out rotation throttle down.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520028092.4U CN204437416U (en) | 2015-01-15 | 2015-01-15 | A kind of based on hyperacoustic pass valve mechanism hand |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520028092.4U CN204437416U (en) | 2015-01-15 | 2015-01-15 | A kind of based on hyperacoustic pass valve mechanism hand |
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| CN204437416U true CN204437416U (en) | 2015-07-01 |
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| CN201520028092.4U Active CN204437416U (en) | 2015-01-15 | 2015-01-15 | A kind of based on hyperacoustic pass valve mechanism hand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955004A (en) * | 2018-03-30 | 2018-12-07 | 河南三张节能环保工程有限公司 | A kind of heat pump unit control system Internet-based |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955004A (en) * | 2018-03-30 | 2018-12-07 | 河南三张节能环保工程有限公司 | A kind of heat pump unit control system Internet-based |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200928 Address after: Room 612, area D, building 20, No. 1-42, Lane 83, Hongxiang North Road, Lingang New Area, Pudong New Area, Shanghai Patentee after: Shanghai Yingchen Information Technology Co.,Ltd. Address before: 163453, D2, room 318, covering garden, service industry, Daqing hi tech Zone, Heilongjiang Patentee before: DAQING ENCH INNOVATIVE TECHNOLOGIES Co.,Ltd. |
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| TR01 | Transfer of patent right |