CN2585215Y - Portable all-purpose tester for performance of ventilator - Google Patents
Portable all-purpose tester for performance of ventilator Download PDFInfo
- Publication number
- CN2585215Y CN2585215Y CN02286441U CN02286441U CN2585215Y CN 2585215 Y CN2585215 Y CN 2585215Y CN 02286441 U CN02286441 U CN 02286441U CN 02286441 U CN02286441 U CN 02286441U CN 2585215 Y CN2585215 Y CN 2585215Y
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- negative pressure
- power
- acquisition module
- communication module
- signal
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Abstract
The utility model provides a portable comprehensive measuring apparatus for the performance of ventilators, which comprises a meter box, an AC-DC power converter, a negative pressure transducer, a power transducer, a communication module and a collection module which are all connected into integration through a conducting wire. Because the collection module is provided with a plurality of paths, the measuring apparatus can measure and transfer various kinds of measured signals simultaneously and realizes the simultaneous measure of electric parameters and negative pressure parameters. Air quantity is calculated by two negative pressure differences through the measuring apparatus. The utility model has the advantages of simple structure and low cost. Measuring results are inputted into a computer to be processed in a digital form. Measuring data of the measuring apparatus can be processed by soft ware, can be transmitted in networks and can be shared by multiple users. Data can be conveniently stored and has flexible and standard output formats.
Description
One, technical field
The utility model relates to a kind of test instrumentation, especially a kind of comprehensive tester that is applicable to blower performance.
Two, background technology
At present, ventilation blower is used very extensive as universal machine, but to the never suitable test instrumentation of the all-round property testing of ventilation blower.Main fan for mines particularly, because the mine ventilation system inclement condition, distinguished and admirable dust-laden, humidity, pulsation, skewness, and the air channel section is big, and average rate is difficult to accurately measure.General blower performance is measured the mensuration that comprises air quantity, blast and electrical quantity, and traditional test instrumentation also is divided into this three class.As the patent " electric current and voltage power measuring " of Granted publication on the 8th in August calendar year 2001, in April, 1992, the patent " portable electric machine comprehensive tester " of Granted publication on the 22nd can be used for the parameter testing of ventilation blower drive motor; And for example August 29 nineteen ninety-five Granted publication " digital pressure tester " patent, August 29 nineteen ninety Granted publication " numeral decline stream pressure analyzer " patent, can be used for the parameter testing of ventilation blower stream pressure.Be characterized in the gas parameter and the parameter of electric machine are measured respectively, digital display meter shows test data, needs manual record, arrangement and performance computation just can demonstrate measurement result, and its process needs manually-operated, and it is numerous and diverse to work, and workload is big.
Three, technology contents
1. goal of the invention
The purpose of this utility model is to design a kind of analyzer that can carry out integration test to ventilation blower for the weak point that overcomes above-mentioned prior art existence, its operating automation degree height, and measurement data is accurately and reliably, and is simple and efficient.
2. technical scheme
Task of the present utility model is implemented as follows: a kind of portable blower performance comprehensive tester, it comprises the instrument box of square casing, ac-dc power converter, trough, power is housed in the case becomes and send case, negative pressure transducer, negative pressure transmitter, communication module and acquisition module; The 220V alternating-current power supply is imported ac-dc power converter by interface 2 ', and convert direct current 24V power supply to, by lead access power transmitter, negative pressure transducer, negative pressure transmitter, acquisition module and communication module power port separately; Two negative pressure signals of tested ventilation blower are by interface 5 ' and 5 " two negative pressure transducers of access; and be converted to 0～5V or 4～20mA electric signal through two negative pressure transmitters, become digital signal through acquisition module and communication module again and send into computing machine by computer interface 7 ' by lead; The electric signal I of tested fan motor power
1, I
2, V
1, V
2, V
3By interface 4 ', 4 ", the corresponding port of 4 power input transmitters, calculate back and output and the corresponding 0～5V electric signal of power, become digital signal through acquisition module and communication module, by computer interface 7 ' input computing machine; Power transducer is connected in series through lead and acquisition module, communication module successively by output terminal; Input measured power signal in parallel and tested negative pressure signal on the described acquisition module, the analyzer nil shows output, it is output as the computer interface digital signal.Described tested negative pressure signal also available head inserts negative pressure transducer by 1 negative pressure interface 5 '.After described negative pressure transducer inserts tested negative pressure signal, be connected in series successively by lead and negative pressure transmitter, acquisition module, communication module.Described ac-dc power converter is connected in parallel by lead and negative pressure transmitter, power transducer, communication module and acquisition module.
3. technique effect
The utility model has following advantage compared with the prior art:
(1) comprehensive: because of acquisition module has a plurality of passages, so multiple measured signal can be measured and export to this analyzer simultaneously, realized that electrical quantity and negative pressure parameter measure simultaneously, promptly it is to the collection of the air quantity of ventilation blower, blast, power, efficient with calculate and can all realize simultaneously, and is simple and efficient.
(2) computer interface and program-guide test process and processing test result, powerful, computing machine formula stock reserves are big, are applicable to various types of blower performance tests.
(3) network technology is shared test process and test result.Analyzer is output as the computer digit signal, has changed the digital display output of traditional analyzer, and the Network Transmission and the shared possibility that provides of software processing and information are provided, the storage of favourable data has reduced artificial and error at measurment.
(4) online function has remedied the periodicity that test instrumentation is measured, and finiteness can be used for the regular monitoring management that ventilation blower moves, the security that can improve equipment operation.
(5) analyzer calculates air quantity by two Negative Pressure Difference, and it is simple in structure, and cost is low.
Four, description of drawings
Fig. 1 is a wiring layout of the present utility model.
Fig. 2 is an external line chart of the present utility model.
Five, embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.As shown in Figures 1 and 2, it mainly is made up of instrument box 1, ac-dc power converter 2, trough 3, power transducer 4, negative pressure transducer 5, negative pressure transmitter 6, communication module 7 and acquisition module 8.Instrument box 1 is a square casing, ac-dc power converter 2 is housed in it, it converts the 220V AC power to direct current 24V power supply after by interface 2 ' input, by lead access power variator 4, negative pressure transmitter 6, communication module 7 and acquisition module 8 power port separately as working power.Power of alterating and direct current transmitter 2 is connected in parallel by lead and power transducer 4, negative pressure transmitter 6, communication module 7 and acquisition module 8; Two tested negative pressure signals are by interface 5 ' and 5 " import two negative pressure transducers 5; and be converted to the electric signal of 0～5V or 4～20mA through two negative pressure transmitters 6; convert digital signal to through acquisition module 8 and communication module 7 again; the computer interface 7 ' by the instrument box rear panel is sent into computing machine, computer program by formula calculates corresponding ventilation blower air quantity and blast with the difference of two negative pressure.When only importing the negative pressure of ventilation blower, an available interface 5 ' or 5 " access negative pressure transducer 5.After negative pressure transducer 5 inserts tested negative pressure signal, be connected in series successively by lead and negative pressure transmitter (6), acquisition module (8), communication module (7).The drive motor power signal of tested ventilation blower is by interface 4 ', 4 ", 4 (by wiring diagram shown in Figure 2) carry out power calculation and the output 0～5V voltage signal corresponding with power with the voltage signal power input transmitter 4 of the current signal of motor input end two-phase 0～5A and three-phase 0～380V; be transformed into digital signal through acquisition module 8, communication module 7; send into computing machine by computer interface 7 ' again; performance parameters such as the power input that calculates by computer program, the air quantity of ventilation blower, blast, efficient, and export with form and curve mode; Power transducer (4) is connected in series through lead and acquisition module (8), communication module (7) successively by output terminal.Because of acquisition module 8 has a plurality of passages, can gather the gas parameter of ventilation blower and the electrical quantity of ventilation blower drive motor simultaneously.
Claims (4)
1. portable blower performance comprehensive tester, it is characterized in that: it comprises the instrument box (1) of square casing, ac-dc power converter (2), trough (3), power is housed in the case becomes and send case (4), negative pressure transducer (5), negative pressure transmitter (6), communication module (7) and acquisition module (8); The 220V alternating-current power supply is imported ac-dc power converter (2) by interface 2 ', and convert direct current 24V power supply to, by lead access power transmitter (4), negative pressure transducer (5), negative pressure transmitter (6), acquisition module (8) and communication module (7) power port separately; Two negative pressure signals of tested ventilation blower are by interface 5 ' and 5 " access two negative pressure transducers (5); and be converted to 0～5V or 4～20mA electric signal through two negative pressure transmitters (6), become digital signal through acquisition module (8) and communication module (7) again and send into computing machine by computer interface 7 ' by lead; The electric signal I of tested fan motor power
1, I
2, V
1, V
2, V
3By interface 4 ', 4 ", the corresponding port of 4 power input transmitters (4), calculate back and output and the corresponding 0～5V electric signal of power, become digital signal through acquisition module (8) and communication module (7), by computer interface 7 ' input computing machine; Power transducer (4) is connected in series through lead and acquisition module (8), communication module (7) successively by output terminal; Described acquisition module (8) is gone up input measured power signal in parallel and tested negative pressure signal, and the analyzer nil shows output, and it is output as the computer interface digital signal.
2. portable blower performance comprehensive tester according to claim 1 is characterized in that: described tested negative pressure signal also available head inserts negative pressure transducer (5) by 1 negative pressure interface 5 '.
3. portable blower performance comprehensive tester according to claim 1, it is characterized in that: described negative pressure transducer (5) is connected in series successively by lead and negative pressure transmitter (6), acquisition module (8), communication module (7) after inserting tested negative pressure signal.
4. portable blower performance according to claim 1 is combined the platform analyzer, it is characterized in that: described ac-dc power converter (2) is connected in parallel by lead and negative pressure transmitter (6), power transducer (4), communication module (7) and acquisition module (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02286441U CN2585215Y (en) | 2002-12-02 | 2002-12-02 | Portable all-purpose tester for performance of ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02286441U CN2585215Y (en) | 2002-12-02 | 2002-12-02 | Portable all-purpose tester for performance of ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2585215Y true CN2585215Y (en) | 2003-11-05 |
Family
ID=33747141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02286441U Expired - Fee Related CN2585215Y (en) | 2002-12-02 | 2002-12-02 | Portable all-purpose tester for performance of ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2585215Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292872A (en) * | 2012-02-24 | 2013-09-11 | 上海工程技术大学 | Performance detecting system of air quality flowmeter |
| CN104005979A (en) * | 2014-06-18 | 2014-08-27 | 国家电网公司 | Portable draught fan performance testing platform |
| CN105275857A (en) * | 2015-11-24 | 2016-01-27 | 浙江金盾风机股份有限公司 | Portable digital draught fan measuring and control instrument |
| CN106226111A (en) * | 2016-09-21 | 2016-12-14 | 中国矿业大学(北京) | The laboratory simulation device of fan performance test |
| CN107014444A (en) * | 2017-05-27 | 2017-08-04 | 山东罗泰风机有限公司 | A kind of blower fan dynamic performance parameter measuring system |
| CN108644146A (en) * | 2018-06-06 | 2018-10-12 | 绍兴上虞普惠风机技术开发有限公司 | Portable Fan performance test data vasculum |
| US11915570B2 (en) | 2020-07-16 | 2024-02-27 | Ventec Life Systems, Inc. | System and method for concentrating gas |
| US11931689B2 (en) | 2020-07-16 | 2024-03-19 | Ventec Life Systems, Inc. | System and method for concentrating gas |
-
2002
- 2002-12-02 CN CN02286441U patent/CN2585215Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292872A (en) * | 2012-02-24 | 2013-09-11 | 上海工程技术大学 | Performance detecting system of air quality flowmeter |
| CN103292872B (en) * | 2012-02-24 | 2016-03-16 | 上海工程技术大学 | A kind of air flow meter performance detecting system |
| CN104005979A (en) * | 2014-06-18 | 2014-08-27 | 国家电网公司 | Portable draught fan performance testing platform |
| CN105275857A (en) * | 2015-11-24 | 2016-01-27 | 浙江金盾风机股份有限公司 | Portable digital draught fan measuring and control instrument |
| CN106226111A (en) * | 2016-09-21 | 2016-12-14 | 中国矿业大学(北京) | The laboratory simulation device of fan performance test |
| CN107014444A (en) * | 2017-05-27 | 2017-08-04 | 山东罗泰风机有限公司 | A kind of blower fan dynamic performance parameter measuring system |
| CN107014444B (en) * | 2017-05-27 | 2023-08-29 | 山东罗泰风机有限公司 | Fan dynamic performance parameter measurement system |
| CN108644146A (en) * | 2018-06-06 | 2018-10-12 | 绍兴上虞普惠风机技术开发有限公司 | Portable Fan performance test data vasculum |
| US11915570B2 (en) | 2020-07-16 | 2024-02-27 | Ventec Life Systems, Inc. | System and method for concentrating gas |
| US11931689B2 (en) | 2020-07-16 | 2024-03-19 | Ventec Life Systems, Inc. | System and method for concentrating gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |