CN209014184U - Cigarette production line high-precision pressure detection sensor - Google Patents
Cigarette production line high-precision pressure detection sensor Download PDFInfo
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- CN209014184U CN209014184U CN201821903204.6U CN201821903204U CN209014184U CN 209014184 U CN209014184 U CN 209014184U CN 201821903204 U CN201821903204 U CN 201821903204U CN 209014184 U CN209014184 U CN 209014184U
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Abstract
A kind of cigarette production line high-precision pressure detection sensor, comprising: sensor housing has an accommodating space；Detection circuit board, the detection circuit board are assemblied in the accommodating space of the sensor housing；The sensor housing includes that intermediate cylinder, upper capping and lower capping, the upper closure threads are connected to intermediate cylinder upper end, and the lower closure threads are connected to intermediate cylinder lower end；Wherein, the upper capping is equipped with socket, pressure detecting LED light, sensitive calibrating installation, and the socket, pressure detecting LED light and sensitive calibrating installation are electrically connected with detection circuit board；The lower capping is equipped with negative-pressure detection port and positive-pressure detection port and two sensors install fixation hole, for installing pressure sensor detector.The utility model detection part has the advantages that highly sensitive, high-precision, stability are good, it is small to be influenced by environmental temperature fluctuation, and materials consumption rate substantially reduces while product qualification rate being made to improve.
Description
Technical field
The utility model relates to sensor technical fields, and in particular to a kind of cigarette production line high-precision pressure detection biography
Sensor.
Background technique
It is higher and higher in the degree of automation of today of electric era, country's automation industry, while to automated execution
High reliability, high sensitivity and the security performance of mechanism have very high requirement.Pressure sensor is in industrial instruments
A kind of common device, is widely used in industry monitoring and control, be related to producing automatic control, Medical Devices, aerospace, military project,
The industries such as pipeline, petrochemical industry, lathe.On the automatic production lines such as food, drug, for complete run at high speed in product testing and
Goods rejection task will use a kind of pressure sensor.But in actual production it is often found that this sensor detection sensitivity
It is inadequate with precision, and performance is influenced by environmental temperature, often will appear failure phenomenon, seriously affects product quality or causes
Unnecessary loss.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of cigarette production line high-precision pressure detection sensing
Device is installed inspection on the spot, have the characteristics that highly sensitive, high-precision, good operating stability, influenced by environmental temperature fluctuation it is small,
Production efficiency can be greatly improved, production loss is reduced.
Technical problem to be solved in the utility model is realized using following scheme:
A kind of cigarette production line high-precision pressure detection sensor, comprising:
Sensor housing has an accommodating space；
Detection circuit board, the detection circuit board are assemblied in the accommodating space of the sensor housing；
The sensor housing includes that intermediate cylinder, upper capping and lower capping, the upper closure threads are connected to intermediolateral column
Body upper end, the lower closure threads are connected to intermediate cylinder lower end；
Wherein, the upper capping is equipped with socket, pressure detecting LED light, sensitive calibrating installation, the socket, pressure
Power detects LED light and sensitive calibrating installation and is electrically connected with detection circuit board；The lower capping is equipped with detection of negative pressure
Mouth and positive-pressure detection port, and
Two sensors install fixation hole, for installing pressure sensor detector.
Wherein upper capping has M12 round four core sockets, pressure detecting LED light, sensitive calibrating installation, and lower closure body is opened
There are two pressure detecting mouths, are all made of standard G1/4 hickey, there are two M5 sensors to install fixation hole for bottom；Sensor
Upper capping, mediate cylindrical, lower closure body and detection circuit board assembly are integral.
The detection circuit board is accurate by the accurate compensation pressure biosensor cartridge of Y, U2 precision instrument amplifier, Q2, Q3
The parts such as benchmark voltage-stablizer, U3 comparison amplifier, U1 voltage-stablizer, Q1 output amplification, LED indication form.
Wherein, 3 end of Y pressure sensor is connected to 3 end of U2 instrument amplifier, and 5 end of Y pressure sensor is connected to U2 instrument and puts
Big 2 end of device, 2 end of Y pressure sensor is connected to 7 end of U2 instrument amplifier, is connected to the one end filter capacitor C5, is connected to resistance
The one end R12 is connected to 1 end of U1 voltage-stablizer, and 4 end of Y pressure sensor is connected to 4 end of U2 instrument amplifier, is connected to filter capacitor
The one end C6 is connected to 3 end of Q2 benchmark voltage-stablizer, is connected to the one end resistance R11, the one end filter capacitor C8, is connected to U1 voltage-stablizer 2
End, the one end R9 is connected to 8 end of U2 instrument amplifier, the R9 other end is connected to 1 end of U2 instrument amplifier, 5 end of U2 instrument amplifier
It is connected to the filter capacitor C6 other end, the R12 other end is connected to, is connected to 2 end of Q2 benchmark voltage-stablizer, is connected to the one end R10, Q2
1 end of benchmark voltage-stablizer is connected to the resistance R11 other end, is connected to the resistance R10 other end, and 6 end of U2 instrument amplifier is connected to R16
Resistance one end is connected to the one end inductance L1, and the inductance L1 other end is connected to the filter capacitor C8 other end, is connected to accessory power outlet 2
Needle (Vout)；
Wherein, 2 end of U3 comparison amplifier is connected to the one end capacitor C10, is connected to the resistance R16 other end, and U3 compares amplification
3 end of device is connected to the one end capacitor C7, is connected to the one end resistance R15, is connected to the one end resistance R13, is connected to Q3 benchmark voltage-stablizer 2
End, 8 end of U3 comparison amplifier is connected to the resistance R15 other end, is connected to the one end filter capacitor C9, is connected to filter capacitor C3 mono-
Hold, be connected to 1 end of U1 voltage-stablizer, U3 comparison amplifier, 4 ends be connected to the capacitor C7 other end, be connected to the resistance R14 other end,
It is connected to 3 end of Q3 benchmark voltage-stablizer, the filter capacitor C3 other end is connected to, is connected to the filter capacitor C9 other end, is connected to U1
2 end of voltage-stablizer, 1 end of U3 comparison amplifier are connected to the one end resistance R19；
Wherein, the resistance R19 other end is connected to the end Q1 triode b, is connected to the one end resistance R20,
The end Q1 triode c is connected to the one end resistance R22, is connected to 3 needle of accessory power outlet (Switch)；
Wherein, the resistance R22 other end is connected to LED anode, and LED cathode is connected to 4 end of U3 comparison amplifier, is connected to filter
The one end wave capacitor C1 is connected to the one end filter capacitor C2, is connected to 4 needle of accessory power outlet (0)；
Wherein, 3 end of U1 voltage-stablizer is connected to resistance R20 and is connected to, is connected to the end Q1 triode e, is connected to filter capacitor
The C1 other end is connected to the filter capacitor C2 other end, is connected to D1 diode anode end, and D1 diode cathode end is connected to output
1 needle (+24V) of socket.
Compared with prior art, the utility model has the beneficial effects that the application is to the rejecting mechanism of cigarette production line
The pressure sensor of air pressure detection part improves, and replaces former sensing with " high sensibility pressure transducer " of the utility model
Device, the utility model Sensitivity in Pressure Sensors is high, precision is high, stability is good, is influenced the advantages that small by environmental temperature fluctuation.Change
Air pressure into rear cigarette rejecting mechanism detects stable and reliable operation, rejects qualification rate and greatly improves, and using effect is prominent, improves
The speed of production and efficiency of product, reduce the material consumption of product.
Detailed description of the invention
Fig. 1 is the utility model sensor housing schematic diagram；
Fig. 2 is the utility model detection circuit board circuit diagram；
Fig. 3 is the utility model socket rearview；
In figure: 1. sockets；2. pressure detecting LED light；3. sensitivity calibration device；It is covered on 4.；5. intermediate cylinder；
6. positive-pressure detection port；7. negative-pressure detection port；8. lower capping.
Specific embodiment
Below in conjunction with the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear, complete
Site preparation description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, fall within the protection scope of the utility model.
U1 is three terminal regulator
U1 pin function；
1 foot output end of pressure-stabilizing；
2 feet are power supply ground terminal；
3 foot pressure stabilizing input terminals.
U2 is high-precision meter amplifier, and basic characteristics are the high and low noise of precision, gain ranging is wide, power range ±
2.3V~± 18V, power consumption are low.
U2 pin function；
1,8 feet are gain setting；
2,3 feet are positive-negative input end；
4 feet are power positive end；
On the basis of 5 feet；
6 feet are output end；
7 feet are power supply negative terminal.
U3 is a binary channels comparator
U3 pin function；
1 foot is output end；
2 feet are the inverting input terminal of channel A,
3 feet are channel A non-inverting input terminal,
4 feet are power supply ground terminal.
8 feet are power positive end,
Y is fine compensation pressure sensor detector；Basic characteristics be with temperature-compensating, temperature range is wide, high precision
Degree is high,
For measuring absolute pressure, from 1PS I differential pressure and gauge pressure device.
Y pin function；
2 feet are power positive ends；
3 feet are output plus terminals；
4 feet are power supply ground terminals；
5 feet are output negative terminals.
Referring to Fig. 1: a kind of cigarette production line high-precision pressure detection sensor, comprising: sensor housing has one to hold
Between emptying；Detection circuit board (not shown), the detection circuit board are assemblied in the accommodating space of the sensor housing；
The sensor housing includes intermediate cylinder 5, upper capping 4 and lower capping 8, and the upper capping 4 is threadedly connected on intermediate cylinder 5
End, the lower capping 8 are threadedly connected to 5 lower end of intermediate cylinder；Wherein, the upper capping 4 is equipped with socket 1, pressure detecting LED
Indicator light 2, sensitive calibrating installation 3, the socket 1, pressure detecting LED light 2 and sensitive calibrating installation 3 are and detection circuit
Plate is electrically connected；The lower capping 8 is equipped with negative-pressure detection port 7 and positive-pressure detection port 6 and two sensors install fixation hole
(not shown), for installing pressure sensor detector.Wherein, 5 material of intermediate cylinder is aluminum, the socket
1 connects socket (such as Fig. 3) for round four cores of M12, and the negative-pressure detection port 7 and positive-pressure detection port 6 are all made of standard G1/4 screw thread
Interface, the upper capping 4, intermediate cylinder 5, lower capping 8 and detection circuit board assembly are integral.
As shown in Figure 2, it is preferable that the detection circuit board is by the accurate compensation pressure biosensor cartridge of Y, U2 precision instrument
Amplifier, Q2 benchmark voltage-stablizer, Q3 precision benchmark voltage-stablizer, U3 comparison amplifier, U1 voltage-stablizer, Q1 output amplification LED indication
It is formed Deng part.
Preferably, 3 end of Y pressure sensor is connected to 3 end of U2 instrument amplifier, and 5 end of Y pressure sensor is connected to U2 instrument
2 end of amplifier, 2 end of Y pressure sensor are connected to 7 end of U2 instrument amplifier, are connected to the one end filter capacitor C5, are connected to resistance
The one end R12 is connected to 1 end of U1 voltage-stablizer, and 4 end of Y pressure sensor is connected to 4 end of U2 instrument amplifier, is connected to filter capacitor
The one end C6 is connected to 3 end of Q2 benchmark voltage-stablizer, is connected to the one end resistance R11, the one end filter capacitor C8, is connected to U1 voltage-stablizer 2
End, the one end R9 is connected to 8 end of U2 instrument amplifier, the R9 other end is connected to 1 end of U2 instrument amplifier, 5 end of U2 instrument amplifier
It is connected to the filter capacitor C6 other end, the R12 other end is connected to, is connected to 2 end of Q2 benchmark voltage-stablizer, is connected to the one end R10, Q2
1 end of benchmark voltage-stablizer is connected to the resistance R11 other end, is connected to the resistance R10 other end, and 6 end of U2 instrument amplifier is connected to R16
Resistance one end is connected to the one end inductance L1, and the inductance L1 other end is connected to the filter capacitor C8 other end, is connected to accessory power outlet 2
Needle (Vout)；
Preferably, 2 end of U3 comparison amplifier is connected to the one end capacitor C10, is connected to the resistance R16 other end, and U3 is relatively put
Big 3 end of device is connected to the one end capacitor C7, is connected to the one end resistance R15, is connected to the one end resistance R13, is connected to Q3 benchmark pressure stabilizing
2 end of device, 8 end of U3 comparison amplifier are connected to the resistance R15 other end, are connected to the one end filter capacitor C9, are connected to filter capacitor
The one end C3 is connected to 1 end of U1 voltage-stablizer, U3 comparison amplifier, and 4 ends are connected to that the capacitor C7 other end, to be connected to resistance R14 another
It holds, is connected to 3 end of Q3 benchmark voltage-stablizer, is connected to the filter capacitor C3 other end, is connected to the filter capacitor C9 other end, is connected to
2 end of U1 voltage-stablizer, 1 end of U3 comparison amplifier are connected to the one end resistance R19；
Preferably, the resistance R19 other end is connected to the end Q1 triode b, is connected to the one end resistance R20, and the end triode c Q1 connects
It is connected to the one end resistance R22, is connected to 3 needle of accessory power outlet (Switch)；
Preferably, the resistance R22 other end is connected to LED anode, and LED cathode is connected to 4 end of U3 comparison amplifier, is connected to
The one end filter capacitor C1 is connected to the one end filter capacitor C2, is connected to 4 needle of accessory power outlet (0)；
Preferably, 3 end of U1 voltage-stablizer is connected to resistance R20 and is connected to, is connected to the end Q1 triode e, is connected to filtered electrical
Hold the C1 other end, be connected to the filter capacitor C2 other end, be connected to D1 diode anode end, D1 diode cathode end is connected to defeated
1 needle (+24V) of socket out；
Preferably, the tetra- core socket of circle M12 is connecting interface.
The utility model supply voltage is DC24V, and input air pressure is 0~± 1PS I D, can as needed from positive pressure mouth or
The input of negative pressure mouth, the corresponding output analog quantity 1.000V~5.000V of output end (Vout), with external adjustment of sensitivity adjustable
Output voltage, when pressure sensor, which detects, is greater than+1/2PSI D pressure, output switch parameter end (Switch) is become by low level
At high level, while LED pressure indicator light is bright.
Working principle:
After gas pressure enters pressure sensor detection oral pore, ultra-weak electronic signal is generated by Y pressure detecting head internal bridge,
It is inputted by high-precision meter amplifier 3,2 feet that Y pressure detecting head 3,5 feet export ultra-weak electronic signal to U2, through U2 high-precision instrument
Table amplifier carries out differential amplification, after its 1,8 foot gains setting and the adjustment of 5 foot benchmark, 6 foot output voltage signal (- 1PSI
=1.000V, 0PSI=3.000V ,+1PS I=5.000V) to connector holder export.Meanwhile the 6 foot another way signals of U2 are defeated
Out to 2 foot of U3 comparator, be compared with the reference threshold of 3 feet of U3, when 2 foot of U3 comparator voltage be greater than 3 feet voltage,
It 1 foot output low level make Q1 triode ON, LED electroluminescent lamp is bright, simultaneously, output high level signal reach connector holder
Output.
This high-precision pressure sensor has two tunnel output signals, and ± 1PS I pressure corresponds to detectable voltage signals 1-5V all the way,
The corresponding detection analog quantity level signal of pressure all the way.
The utility model provides low cost, and the high sensitivity that effective solution needs, output accuracy is high, using temperature
The advantages that range is wide, influenced by ambient temperature small.Pressure sensor inside benchmark and high precision temperature compensation sensing head provide
One accurate and stable output.The utility model reaches I P65 degree of protection standard, can be used for non-aggressive and it is non-from
Sub- state gas pressure detection.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of cigarette production line high-precision pressure detection sensor characterized by comprising
Sensor housing has an accommodating space；
Detection circuit board, the detection circuit board are assemblied in the accommodating space of the sensor housing；
The sensor housing includes that intermediate cylinder, upper capping and lower capping, the upper closure threads are connected on intermediate cylinder
End, the lower closure threads are connected to intermediate cylinder lower end；
Wherein, the upper capping is equipped with socket, pressure detecting LED light, sensitive calibrating installation, the socket, pressure inspection
LED light and sensitive calibrating installation is surveyed to be electrically connected with detection circuit board；The lower capping be equipped with negative-pressure detection port and
Positive-pressure detection port, and
Two sensors install fixation hole, for installing pressure sensor detector.
2. sensor according to claim 1, which is characterized in that the intermediate cylinder material is aluminum.
3. sensor according to claim 1, which is characterized in that the socket is that round four cores of M12 connect socket.
4. sensor according to claim 1, which is characterized in that the negative-pressure detection port and positive-pressure detection port are all made of mark
Quasi- G1/4 hickey.
5. sensor according to claim 1, which is characterized in that the upper capping, intermediate cylinder, lower capping and detection electricity
Plate assembly in road is integral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821903204.6U CN209014184U (en) | 2018-11-19 | 2018-11-19 | Cigarette production line high-precision pressure detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821903204.6U CN209014184U (en) | 2018-11-19 | 2018-11-19 | Cigarette production line high-precision pressure detection sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209014184U true CN209014184U (en) | 2019-06-21 |
Family
ID=66842677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821903204.6U Active CN209014184U (en) | 2018-11-19 | 2018-11-19 | Cigarette production line high-precision pressure detection sensor |
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| Country | Link |
|---|---|
| CN (1) | CN209014184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580074A (en) * | 2018-11-19 | 2019-04-05 | 安徽科达自动化集团股份有限公司 | A kind of high sensibility pressure transducer |
-
2018
- 2018-11-19 CN CN201821903204.6U patent/CN209014184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580074A (en) * | 2018-11-19 | 2019-04-05 | 安徽科达自动化集团股份有限公司 | A kind of high sensibility pressure transducer |
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