CN207556750U - A kind of pressure-measuring system auto-calibration examines equipment - Google Patents
A kind of pressure-measuring system auto-calibration examines equipment Download PDFInfo
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- CN207556750U CN207556750U CN201721785795.7U CN201721785795U CN207556750U CN 207556750 U CN207556750 U CN 207556750U CN 201721785795 U CN201721785795 U CN 201721785795U CN 207556750 U CN207556750 U CN 207556750U
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Abstract
The utility model discloses a kind of pressure-measuring system auto-calibrations to examine equipment, including rack, electric cabinet, industrial control computer, environmental sensor, data forwarding device, pressure sensor, acquisition controller, main road pipeline and several bypass lines；Main road solenoid valve, electric Proportion valve, pressure release electromagnetic valve and high-precision pressure gauge are installed on the main road pipeline；Pressure sensor ready-packaged joint, acquisition controller fixture and branch way solenoid valve are equipped with described in each in bypass line；The pressure sensor is mounted in pressure sensor ready-packaged joint, and acquisition controller is mounted in acquisition controller fixture；The environmental sensor, pressure gauge and data forwarding device difference data connection industrial control computer, the acquisition controller data connection data forwarding device；The industrial control computer, main road solenoid valve, electric Proportion valve, pressure release electromagnetic valve and branch way solenoid valve are connect respectively with electric cabinet.
Description
Technical field
The utility model is related to novel automatic instrumental techniques more particularly to a kind of pressure-measuring system auto-calibration to examine
Test equipment.
Background technology
Pressure is one of important parameter in industrial processes, and the detection or control of pressure are to ensure production and equipment peace
Row essential condition for the national games realizes that Intelligent Pressure measuring system has very important meaning to the control of industrial process
Justice.However the calibration check work of pressure-measuring system can only distinguish calibration check pressure sensor, transmitter or acquisition at present
Device, and single pressure measuring device can only be directed to simultaneously and carry out calibration check, calibration check needs manual hand manipulation, data to read
Difficulty is taken, calibration accuracy rate is low, efficiency is low.Therefore, it is necessary to utility model one kind can disposably complete pressure sensor, become
The automation equipment that the unified calibration check of device and collector is sent to work.
Utility model content
For above-mentioned technological deficiency, the utility model provides one kind being capable of clamped one time completion pressure sensor, transmitter
And the pressure-measuring system auto-calibration of the unified calibration check work of collector examines equipment.
In order to reach above-mentioned technique effect, the technical solution adopted in the utility model is：
A kind of automatic calibration check equipment of pressure-measuring system, it is characterised in that：It is calculated including rack, electric cabinet, industry control
Machine, environmental sensor, data forwarding device, pressure sensor, acquisition controller, rack-mounted main road pipeline and parallel connection
Access several bypass lines on main road pipeline；Main road solenoid valve on the main road pipeline is installed, electric Proportion valve, is let out
Pressure electromagnetic valve and high-precision pressure gauge；Pressure sensor ready-packaged joint, acquisition control are equipped with described in each in bypass line
Device fixture and branch way solenoid valve processed；The pressure sensor is mounted in pressure sensor ready-packaged joint, acquisition controller installation
In acquisition controller fixture, the branch way solenoid valve is between pressure sensor ready-packaged joint and acquisition controller fixture；
The environmental sensor, pressure gauge and data forwarding device difference data connection industrial control computer, several described acquisition controls
Device distinguishes data connection data forwarding device；The industrial control computer, main road solenoid valve, electric Proportion valve, pressure release electromagnetic valve and
Branch way solenoid valve is connect respectively with electric cabinet, and industrial control computer is used to read, store and process environmental sensor, pressure gauge sum number
Main road solenoid valve, electric Proportion valve, pressure release are controlled by electric cabinet according to the data information of retransmission unit, and according to the information of processing
The operation of solenoid valve and branch way solenoid valve.
Further, the industrial control computer is equipped with product data server, and the product data server is used to store
The sequence numbers of calibration check qualified products, the calibration check date, environmental parameter and calibration data information.
Further, printer is further included, the printer is connect with industrial control computer, for printing calibration check product
Qualified label, the quality certification and unqualified label.
Further, the electric cabinet is located at rack side, and electric cabinet is fixedly connected with rack.
Further, the display of the industrial control computer is located above electric cabinet.
Further, the rack is frame structure, and the main road solenoid valve, electric Proportion valve and pressure gauge are located at rack
Upper frame Internal back end；The pressure release electromagnetic valve is located at below the left end of the upper frame of rack.
Further, lateral reinforcement, the reinforcement are being equipped at front beam in the upper frame of the rack
Surface between front beam is equipped with horizontal support beam, several described pressure sensor ready-packaged joint rear ends are by being erected at
Bypass line on front beam and reinforcement is connect with the main road deferent at reinforcement rear, several described acquisition controller fixtures
It is corresponding to be fixedly mounted on rack beams upper surface, and pass through several branch below acquisition controller fixture rear end, above reinforcement
Way solenoid valve is connect with bypass line.
Further, the data forwarding device is fixedly mounted on the lower surface in rack beams stage casing.
Further, dismountable fast-assembling baffle, the fast-assembling baffle are equipped in front of the pressure sensor ready-packaged joint
For being fixed and clamped pressure sensor inside ready-packaged joint.
Compared with prior art, the beneficial effects of the utility model are：
1. can once multiple pressure-measuring systems be carried out at the same time with calibration and inspection, calibration check process is all by calculating
Machine intelligent control, solving calibration check needs the problems such as manual hand manipulation, digital independent are difficult, and working efficiency is low, improves
Calibration accuracy and working efficiency.
2. the information such as calibration data and the calibration environment data of product are calibrated to preserve in product data background server,
The convenient backtracking product information of inquiry at any time, realizes intelligentize and informatization.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be clearer and more comprehensible with advantage, it is special below to lift preferred embodiment, and coordinate attached drawing, it is described in detail.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the partial enlarged view of the utility model.
Each label and corresponding entitled in figure：
1. rack；2. industrial control computer；3. electric cabinet；4. main road solenoid valve；
5. electric Proportion valve；6. pressure release electromagnetic valve；7. way solenoid valve；8. pressure gauge；
9. acquisition controller fixture；10. pressure sensor ready-packaged joint；11. data forwarding device；
12. main road pipeline；13. bypass line；1-1. front beam；1-2. reinforcement；
1-3. rack beams；10-1. fast-assembling baffle.
Specific embodiment
A kind of automatic calibration check equipment of pressure-measuring system, ginseng are seen figure 1 and figure 2, including rack 1, electric cabinet 3,
Industrial control computer 2, printer (not shown) with product data server, environmental sensor (not shown), number
According to retransmission unit 11, pressure sensor, acquisition controller, the main road pipeline 12 in rack 1 and access in parallel in main road
Several bypass lines 13 on pipeline 12.Main road solenoid valve 4, electric Proportion valve 5, pressure release electromagnetism are installed on main road pipeline 12
Valve 6 and high-precision pressure gauge 8.Pressure sensor ready-packaged joint 10, acquisition controller are equipped in each bypass line 13
Fixture 9 and branch way solenoid valve 7.Pressure sensor is mounted in pressure sensor ready-packaged joint 10, and acquisition controller is mounted on and adopts
Collect in controller fixture 9, branch way solenoid valve 7 is between pressure sensor ready-packaged joint 10 and acquisition controller fixture 9.Rack
1 is frame structure, and main road solenoid valve 4, electric Proportion valve 5 and pressure gauge 8 are located at the Internal back end of the upper frame of rack 1, pressure release
Solenoid valve 6 is located at below the left end of the upper frame of rack 1.Transverse direction is being equipped at front beam 1-1 in the upper frame of rack 1
Reinforcement 1-2, the surface between reinforcement 1-2 and front beam 1-1 are equipped with horizontal support beam 1-3, several pressure sensors
10 rear end of ready-packaged joint passes through the bypass line 13 being erected on front beam 1-1 and reinforcement 1-2 and the master at reinforcement 1-2 rears
Way pipe connects.10 front of pressure sensor ready-packaged joint is equipped with dismountable fast-assembling baffle 10-1, and fast-assembling baffle 10-1 is used for
Pressure sensor is fixed and clamped inside pressure sensor ready-packaged joint 10.Several acquisition controller fixtures 9, which correspond to, to be fixed
Mounted on rack beams 1-3 upper surfaces, and pass through several branches below 9 rear end of acquisition controller fixture, above reinforcement 1-2
Solenoid valve 7 is connect with bypass line 13.Data forwarding device 11 is fixedly mounted on the lower surface in rack beams 1-3 stage casings, electric cabinet 3
Positioned at 1 side of rack, electric cabinet 3 is fixedly connected with rack 1, and the display of industrial control computer 2 is located at 3 top of electric cabinet.Environment
Sensor, pressure gauge 8,11 printer of data forwarding device connect industrial control computer 2 respectively, several acquisition controllers count respectively
According to connection data forwarding device 11；Industrial control computer 2, main road solenoid valve 4, electric Proportion valve 5, pressure release electromagnetic valve 6 and branch electricity
Magnet valve 7 is connect respectively with electric cabinet 3, and industrial control computer 2 is used to read, store and process environmental sensor, pressure gauge 8 and data
The data information of retransmission unit 11, and according to the information of processing by electric cabinet 3 control main road solenoid valve 4, electric Proportion valve 5,
The operation of pressure release electromagnetic valve 6 and branch way solenoid valve 7；Printer be used to printing the qualified label of calibration check product, the quality certification and
Unqualified label.
The utility model calibration check process：
S1：Pressure sensor is packed into pressure sensor ready-packaged joint 10, is inserted into pressure sensor fast-assembling baffle 10-1.
S2：Acquisition controller is packed into acquisition controller fixture 9, acquisition controller is established with data forwarding device 11 to be connected
It connects.
S3：Range, classification, accuracy class are selected in industrial control computer 2, then clicks and starts button.
S4：Industrial control computer 2 obtains the environmental datas such as current temperature, humidity, atmospheric pressure by environmental sensor.
S5：Industrial control computer 2 is by data forwarding device 11 to the acquisition controller transmission data of each station, acquisition control
Whether device receives and postbacks data by data forwarding device 11 after data, examine each station acquisition controller work normal.If
Acquisition controller then industrial control computer 2 working properly controls electric cabinet to open each station branch way solenoid valve 7 for corresponding to station；If it adopts
It is abnormal to collect controller work, closes corresponding station.
S6：Industrial control computer 2 controls electric cabinet to open main road solenoid valve 4, pressure release electromagnetic valve 6, closes electric Proportion valve 5,
It is 0 to make pipeline inner pressure, reads and record the output numerical value of high-precision pressure gauge 8, is read and acquired by data forwarding device 11
The output numerical value and record of controller close pressure release electromagnetic valve 6.
S7：Classification pressurization：Industrial control computer 2 calculates goal pressure according to the range that sets before, classification, according to electrical ratio
The 5 control parameter calculating of example valve controls the theoretical voltage value of signal when reaching 95% goal pressure and exports the voltage signal to electrical
Proportioning valve 5, electric Proportion valve 5 pressurize, and after pipeline inner pressure stabilization, industrial control computer is according to current high-precision pressure gauge 8
Output numerical value calculating the exact voltage value of control signal and exports the voltage signal to electric Proportion valve 5 when reaching goal pressure,
Electric Proportion valve 5 continues to pressurize, and after pipeline inner pressure stabilization, industrial control computer judges the output numerical value of high-precision pressure gauge 8
Whether goal pressure is reached.Continue the voltage signal of vernier control electric Proportion valve 5 if miss the mark pressure until reaching
Goal pressure；The voltage value of control electric Proportion valve 5 is recorded if goal pressure is reached, closing main road solenoid valve 4 makes in pipeline
Pressure is kept constant, and is read and is recorded 8 output numerical value of high-precision pressure gauge, and acquisition controller is read by data forwarding device 11
Output numerical value and record, open main road solenoid valve 4.
S8：Step S7 is repeated until maximum range.
S9：It is classified pressure release：The voltage value output voltage control of control electric Proportion valve 5 according to being recorded in pressure process is believed
Number to electric Proportion valve 5,5 pressure release of electric Proportion valve, after pipeline inner pressure stabilization, industrial control computer judges high-precision pressure gauge
Whether 8 output numerical value reaches goal pressure.Continue the voltage letter of vernier control electric Proportion valve 5 if miss the mark pressure
Number until reach goal pressure；Main road solenoid valve 4 is closed if goal pressure is reached keeps constant pipeline inner pressure, reads simultaneously
8 output numerical value of high-precision pressure gauge is recorded, the output numerical value and record of acquisition controller are read by data forwarding device 11, is beaten
Open main road solenoid valve 4.
S10：Step S9 is repeated until pressure release to 0.
S11：Industrial control computer calculates the error of each work station product, if error allows to miss in setting according to data above
Then it is determined as qualified products in poor range, is determined as substandard product if error is more than the allowable error of setting.
S12：Industrial control computer calculates the calibration coefficient of qualified products according to the data of calibration check and generates product serial
Number, it then will be in calibration coefficient and product ID write-in qualified products.
S13：Industrial control computer is by the sequence number of qualified products, calibration check date, environmental parameter, detailed calibration data etc.
Information is sent to the preservation of product data server.
S14：Printer printed product qualified label, the quality certification and unqualified label, by the label printed according to work
Position sequence is attached on product successively, unloads product, completes calibration check work.
The error calculation method of the utility model：
Range：Pmax, allowable error：ε,
Classification：
G1, G2, G3...,..., Gn
Actually measured pressure values：
P1, P2, P3...,..., Pn
Actually measured sensors A D values：
A1, A2, A3...,..., An
The first step：First calculateCalculation formula is as follows：
The average value of minimum pressure value：
The average value of maximum pressure value：
The average value of minimum AD values：
The average value of maximum AD values：
Second step：Then △ P, △ A are calculated, calculation formula is as follows：
△ A=Amax-Amin
Third walks：Obtain coefficient f：
4th step：According to coefficient f, theoretical pressure values are calculated：
P′1, P '2, P '3...,..., P 'n
Wherein
5th step：Calculate actual error：
ε′1, ε '2, ε '3...,..., ε 'n
Wherein
6th step：Finally judge whether the error being each classified is small with being equal to allowable error (ε 'n≤ ε), if there are one
The error of classification judges that the sensor is unqualified not in the range of.
The utility model can once be carried out at the same time a collection of pressure-measuring system calibration and inspection, and calibration check process is complete
Portion improves the efficiency and accuracy of calibration check, while the calibration data and calibration environment of product by control with computational intelligence
The information such as data preserve in product data background server, the convenient backtracking product information of inquiry at any time, realize it is intelligent and
It is information-based.
The utility model is not limited to above-mentioned specific embodiment, for those of ordinary skill in the art from upper
Design is stated to set out, without performing creative labour, made various transformation, all fall within the scope of protection of the utility model it
It is interior.
Claims (9)
1. a kind of pressure-measuring system auto-calibration examines equipment, it is characterised in that：It is calculated including rack, electric cabinet, industry control
Machine, environmental sensor, data forwarding device, pressure sensor, acquisition controller, rack-mounted main road pipeline and parallel connection
Access several bypass lines on main road pipeline；Main road solenoid valve on the main road pipeline is installed, electric Proportion valve, is let out
Pressure electromagnetic valve and high-precision pressure gauge；Pressure sensor ready-packaged joint, acquisition control are equipped with described in each in bypass line
Device fixture and branch way solenoid valve processed；The pressure sensor is mounted in pressure sensor ready-packaged joint, acquisition controller installation
In acquisition controller fixture, the branch way solenoid valve is between pressure sensor ready-packaged joint and acquisition controller fixture；
The environmental sensor, pressure gauge and data forwarding device difference data connection industrial control computer, several described acquisition controls
Device distinguishes data connection data forwarding device；The industrial control computer, main road solenoid valve, electric Proportion valve, pressure release electromagnetic valve and
Branch way solenoid valve is connect respectively with electric cabinet, and industrial control computer is used to read, store and process environmental sensor, pressure gauge sum number
Main road solenoid valve, electric Proportion valve, pressure release are controlled by electric cabinet according to the data information of retransmission unit, and according to the information of processing
The operation of solenoid valve and branch way solenoid valve.
2. a kind of pressure-measuring system auto-calibration as described in claim 1 examines equipment, it is characterised in that：The industry control
Computer be equipped with product data server, the product data server be used for store calibration check qualified products sequence number,
The information on calibration check date, environmental parameter and calibration data.
3. a kind of pressure-measuring system auto-calibration as claimed in claim 2 examines equipment, it is characterised in that：It further includes and beats
Print machine, the printer are connect with industrial control computer, for printing the qualified label of calibration check product, the quality certification and unqualified
Label.
4. a kind of pressure-measuring system auto-calibration as described in claim 1 examines equipment, it is characterised in that：It is described automatically controlled
Case is located at rack side, and electric cabinet is fixedly connected with rack.
5. a kind of pressure-measuring system auto-calibration as claimed in claim 4 examines equipment, it is characterised in that：The industry control
The display of computer is located above electric cabinet.
6. a kind of pressure-measuring system auto-calibration as described in claim 1 examines equipment, it is characterised in that：The rack
For frame structure, the main road solenoid valve, electric Proportion valve and pressure gauge are located at the Internal back end of the upper frame of rack；It is described to let out
Pressure electromagnetic valve is located at below the left end of the upper frame of rack.
7. a kind of pressure-measuring system auto-calibration as claimed in claim 6 examines equipment, it is characterised in that：The rack
Upper frame in lateral reinforcement is being equipped at the front beam, the surface between the reinforcement and front beam is equipped with horizontal stroke
To rack beams, several described pressure sensor ready-packaged joint rear ends pass through the bypass line that is erected on front beam and reinforcement
It is connect with the main road deferent at reinforcement rear, several described acquisition controller fixture correspondences are fixedly mounted on rack beams upper table
Face, and connect by several branch way solenoid valves below acquisition controller fixture rear end, above reinforcement with bypass line.
8. a kind of pressure-measuring system auto-calibration as claimed in claim 6 examines equipment, it is characterised in that：The data
Retransmission unit is fixedly mounted on the lower surface in rack beams stage casing.
9. a kind of pressure-measuring system auto-calibration as described in claim 1 examines equipment, it is characterised in that：The pressure
Dismountable fast-assembling baffle is equipped in front of sensor ready-packaged joint, the fast-assembling baffle is used to pressure sensor being fixed and clamped
Inside pressure sensor ready-packaged joint.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721785795.7U CN207556750U (en) | 2017-12-20 | 2017-12-20 | A kind of pressure-measuring system auto-calibration examines equipment |
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| CN201721785795.7U CN207556750U (en) | 2017-12-20 | 2017-12-20 | A kind of pressure-measuring system auto-calibration examines equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843392A (en) * | 2017-12-20 | 2018-03-27 | 苏州市建筑科学研究院集团股份有限公司 | A kind of pressure-measuring system auto-calibration examines equipment |
| CN109870270A (en) * | 2019-01-17 | 2019-06-11 | 北京远华天创科技有限责任公司 | A kind of digital pressure sensor aging caliberating device and method |
| CN110068422A (en) * | 2019-04-24 | 2019-07-30 | 马鞍山市亿格仪表有限公司 | A kind of rapid automatized detection verifying attachment of bluetooth digital pressure gauge |
-
2017
- 2017-12-20 CN CN201721785795.7U patent/CN207556750U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843392A (en) * | 2017-12-20 | 2018-03-27 | 苏州市建筑科学研究院集团股份有限公司 | A kind of pressure-measuring system auto-calibration examines equipment |
| CN109870270A (en) * | 2019-01-17 | 2019-06-11 | 北京远华天创科技有限责任公司 | A kind of digital pressure sensor aging caliberating device and method |
| CN110068422A (en) * | 2019-04-24 | 2019-07-30 | 马鞍山市亿格仪表有限公司 | A kind of rapid automatized detection verifying attachment of bluetooth digital pressure gauge |
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