CN203570563U - Portable water pump test system - Google Patents
Portable water pump test system Download PDFInfo
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- CN203570563U CN203570563U CN201320802946.0U CN201320802946U CN203570563U CN 203570563 U CN203570563 U CN 203570563U CN 201320802946 U CN201320802946 U CN 201320802946U CN 203570563 U CN203570563 U CN 203570563U
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Abstract
The utility model relates to a portable water pump test system, which belongs to the technical field of automation measurement and control. An industrial computer USB (universal serial bus) serial port is connected with an RS485 external bus for realizing the wireless communication, and the intelligent measurement and control of a three-phase alternating current motor can be realized. The portable water pump test system comprises a parameter detection unit, a direct current resistance measuring unit, an intelligent control unit, a virtual instrument display unit and a control early warning unit, wherein the intelligent control unit is a computer, an external bus of the intelligent control unit is communicated with the intelligent instrument respectively connected with the parameter detection unit and the control early warning unit, the virtual instrument display unit schematizes an instrument to an industrial computer display screen, and various kinds of sensors and various kinds of test instruments of the parameter detection unit, and RS485 communication interface chips are sequentially connected. The portable water pump test system has the advantages that each signal type can be collected and displayed by the instrument, the test requirement can be met, the real-time monitoring on the motor can be realized, and the real-time and effective protection can be realized on the current, the voltage and the temperature of the motor.
Description
Technical field
The utility model belongs to automatic measure control technical field, particularly pump performance, parameter is carried out the portable pump test system of on-the-spot test.
Background technique
In fields such as municipal engineering, industrial and mining enterprise, construction, environmental protection and industrial or agricultural plumbing, be widely used water pump, in use find that the parameters such as lift, efficiency are not up to standard, motor performance is poor etc.Owing to detecting parameters of pump, water pump must be transported to the inconvenience that professional institution or enterprise test, cause the fallback in supply and drain water system of many products of inferior quality, increase energy consumption.From water pump manufacturing enterprise, consider, water pump test can not be carried out at the scene, is difficult to find problem reason, and after sales service detection level is low, and speed is slow, and problem is fuzzy, and visitor's resentment is many, has affected the raising of quality of service and quality of product.Quality supervised department also needs one can test fast at the scene parameters of pump system.The system architecture that China tests water pump is huge, complex interfaces, and line is numerous, and this fixed connection can not be tested at pump working scene by mobile.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides the one can be at pump working scene, tests fast the portable pump test system of parameters of pump.
The utility model object is also to overcome the defect of prior art, design parameter detection unit, direct current resistance m easurem ent unit, each signal type by virtual instrument collection show, monitoring, protection in real time, reliable, easy to operate, precision is high, the portable pump test system of strong anti-interference.
The utility model scheme is: with industrial control computer USB serial ports connection RS232/RS485 transducer, adopt MODBUS communications protocol, realize serial ports of computers through RS485 external bus and have the RS485 series interfaces chip of wireless communication chip intelligent detecting instrument, control communication and control between prewarning unit, realize portable pump test; Described virtual instrument display unit by parameter detecting unit, control the instrument of prewarning unit graphically in industrial control computer display screen.
Portable pump test system, comprises parameter detecting unit, direct current resistance m easurem ent unit, intelligent control unit, virtual instrument display unit, controls prewarning unit;
Described intelligent control unit comprises USB serial ports, USB serial ports connects RS232/RS485 transducer, and be connected with parameter detecting unit, control prewarning unit with RS485 interface chip respectively by the external bus of RS485, realize the Communication Control between intelligent instrument;
Described parameter detecting unit, also comprises the speed probe being connected with water pump running shaft position, the measurement of rotating speed instrument being connected with speed probe and the RS485 interface chip being connected with measurement of rotating speed instrument; Described parameter detecting unit, also comprises the cooling-water temperature sensor being connected with water pump negative-pressure pipeline, the water-thermometer being connected with cooling-water temperature sensor and the RS485 interface chip being connected with water-thermometer; Described parameter detecting unit, also comprises and is connected in water pump temperature sensor, the room temperature testing instrument being connected with temperature sensor around and the RS485 interface chip being connected with room temperature testing instrument; Described parameter detecting unit, comprises the flow transducer being connected with water pump malleation pipeline, the flux test instrument being connected with flow transducer and the RS485 interface chip being connected with flux test instrument; Described parameter detecting unit, also comprises the positive pressure sensor being connected with water pump malleation pipeline, the lift table being connected with positive pressure sensor and the RS485 interface chip being connected with lift table; Described parameter detecting unit, also comprises the B/P EGR Back Pressure Transducer EGR being connected with water pump negative-pressure pipeline, the vacuum gauge being connected with B/P EGR Back Pressure Transducer EGR and the RS485 interface chip being connected with vacuum gauge;
Described control prewarning unit, comprises the voltameter with RS485 interface communication chip, and the voltage signal input wires terminal that wherein voltameter is corresponding connects respectively A, B, the C three-phase of three phase alternating current motor; Wherein current signal input wires terminal connects respectively A phase current mutual inductor, B phase current mutual inductor, C phase current mutual inductor and is connected in series respectively more corresponding current protective relay;
Described direct current resistance m easurem ent unit, comprises ohmmeter, direct current resistance measurer, control relay, and is connected in series in order; Direct current resistance m easurem ent relay is connected in A, B, the C three-phase of water pump three phase alternating current motor.
Described voltameter is HB3300 three-phase electricity parameter monitor.
Described flowmeter is XNJ series.
Described tachometer is that rotational speed detector model is HB996.
Described water-thermometer is that intelligent single channel Communication Control instrument model is XMX416.
Described room temperature table is that intelligent single channel Communication Control instrument model is XMX416.
The beneficial effects of the utility model are: portable pump test system guarantees that each signal type can be shown by instrument to collect, completes test request.Realize real-time monitoring, the electric current to motor, voltage, the temperature of motor and carry out protection in real time and effectively.Assembling is carried out data with the instrument of communication device and is shown and gather, and has avoided wire to connect bad connection and has caused electromagnetic interference.Reliable strong, weak electricity isolation technology is taked in direct current resistance m easurem ent unit, realizes the automatic measurement to three phase alternating current motor D.C. resistance; Each electrical quantity signals collecting adopts integrated chip intelligence three-phase comprehensive electricity meter, and communication interface is isolated, had concurrently to energy electromagnetic isolation, photoelectricity.And by adopting such structural design, make the utility model also there is following beneficial effect: assembling is carried out data with the instrument of communication device and shown and gather, and keeps the volume of this system small and exquisite, is easy to carry.Adopt portable sensor device to gather the parameter signal in pump working, convenient and fast connection, the pump working occasion of applicable various situations.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Fig. 1 is the utility model portable pump test system electrical schematic diagram.
1-ohmmeter in figure, 2-direct current resistance measurer, 3-control relay, 4-direct current resistance m easurem ent relay, 5-voltameter, 6-A phase current mutual inductor, 7-B phase current mutual inductor, 8-C phase current mutual inductor, 9-current protective relay, 10-water pump three phase alternating current motor, 11-speed probe, 12-measurement of rotating speed instrument, 13-cooling-water temperature sensor, 14-water-thermometer, 15-temperature sensor, 16-room temperature testing instrument, 17-flow transducer, 18-flux test instrument, 19-positive pressure sensor, 20-lift table, 21-B/P EGR Back Pressure Transducer EGR, 22-vacuum gauge.
Embodiment
Comprise parameter detecting unit, direct current resistance m easurem ent unit, intelligent control unit, virtual instrument display unit, control prewarning unit formation, described intelligent control unit is that industrial control computer model is D525, its USB serial ports connects RS232/RS485 transducer, adopt MODBUS communications protocol, realize serial ports of computers through RS485 external bus and the communication, the control that are connected with respectively between the intelligent instrument of parameter detecting unit, control prewarning unit of RS485 interface chip; Described virtual instrument display unit is by the instrument graphical treatment of parameter detecting unit, control prewarning unit;
Described parameter detecting unit, also comprises the speed probe 11 being connected with water pump running shaft position, the measurement of rotating speed instrument 12 being connected with speed probe 11 and the RS485 interface chip being connected with measurement of rotating speed instrument 12; Described parameter detecting unit, also comprises the cooling-water temperature sensor 13 being connected with water pump negative-pressure pipeline, the water-thermometer 14 being connected with cooling-water temperature sensor 13 and the RS485 interface chip being connected with water-thermometer 14; Described parameter detecting unit, also comprises and is connected in water pump temperature sensor 15, the room temperature testing instrument 16 being connected with temperature sensor 15 around and the RS485 interface chip being connected with room temperature testing instrument 16; Described parameter detecting unit, comprises the flow transducer 17 being connected with water pump malleation pipeline, the flux test instrument 18 being connected with flow transducer 17 and the RS485 interface chip being connected with flux test instrument 18; Described parameter detecting unit, also comprises the positive pressure sensor 19 being connected with water pump malleation pipeline, the lift table 20 being connected with positive pressure sensor 19 and the RS485 interface chip being connected with lift table 20; Described parameter detecting unit, also comprises the B/P EGR Back Pressure Transducer EGR 21 being connected with water pump negative-pressure pipeline, the vacuum gauge 22 being connected with B/P EGR Back Pressure Transducer EGR 21 and the RS485 interface chip being connected with vacuum gauge 22;
Described control prewarning unit, comprises the voltameter 5 with RS485 interface communication chip, and wherein the voltage signal input wires terminal of voltameter 5 correspondences connects respectively A, B, the C three-phase of three phase alternating current motor; Wherein current signal input wires terminal connects respectively A phase current mutual inductor 6, B phase current mutual inductor 7, C phase current mutual inductor 8 and is connected in series respectively more corresponding current protective relay 9;
Described direct current resistance m easurem ent unit, comprises ohmmeter 1, direct current resistance measurer 2, control relay 3, and is connected in series in order; Direct current resistance m easurem ent relay 4 is connected in A, B, the C three-phase of water pump three phase alternating current motor 10.
Described voltameter 5 is HB3300 three-phase electricity parameter monitor.
Described flowmeter 18 is XNJ series.
Described tachometer 12 for rotational speed detector model be HB996.
Described water-thermometer 14 is that intelligent single channel Communication Control instrument model is XMX416.
Described room temperature table 16 is that intelligent single channel Communication Control instrument model is XMX416.
Obviously, above-mentioned example of the present utility model be only for clearly illustrate that the utility model does for example, and be not the restriction to way of example of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Because various instrument are various, there are Multiple Type and combination, cannot give exhaustive to all mode of executions here.Everyly belong to apparent variation or the still row in protection domain of the present utility model of variation that the technical solution of the utility model amplifies.
Claims (6)
1. a portable pump test system, is characterized in that: comprise parameter detecting unit, direct current resistance m easurem ent unit, intelligent control unit, instrument display unit, control prewarning unit;
Described intelligent control unit comprises USB serial ports, USB serial ports connects RS232/RS485 transducer, and be connected with parameter detecting unit, control prewarning unit with RS485 interface chip respectively by the external bus of RS485, realize the Communication Control between intelligent instrument;
Described parameter detecting unit, also comprises the speed probe (11) being connected with water pump running shaft position, the measurement of rotating speed instrument (12) being connected with speed probe (11) and the RS485 interface chip being connected with measurement of rotating speed instrument (12); Described parameter detecting unit, also comprises the cooling-water temperature sensor (13) being connected with water pump negative-pressure pipeline, the water-thermometer (14) being connected with cooling-water temperature sensor (13) and the RS485 interface chip being connected with water-thermometer (14); Described parameter detecting unit, also comprises and is connected in water pump temperature sensor (15), the room temperature testing instrument (16) being connected with temperature sensor (15) around and the RS485 interface chip being connected with room temperature testing instrument (16); Described parameter detecting unit, comprises the flow transducer (17) being connected with water pump malleation pipeline, the flux test instrument (18) being connected with flow transducer (17) and the RS485 interface chip being connected with flux test instrument (18); Described parameter detecting unit, also comprises the positive pressure sensor (19) being connected with water pump malleation pipeline, the lift table (20) being connected with positive pressure sensor (19) and the RS485 interface chip being connected with lift table (20); Described parameter detecting unit, also comprises the B/P EGR Back Pressure Transducer EGR (21) being connected with water pump negative-pressure pipeline, the vacuum gauge (22) being connected with B/P EGR Back Pressure Transducer EGR (21) and the RS485 interface chip being connected with vacuum gauge (22);
Described control prewarning unit, comprises the voltameter (5) with RS485 interface communication chip, and the voltage signal input wires terminal that wherein voltameter (5) is corresponding connects respectively A, B, the C three-phase of three phase alternating current motor; Wherein current signal input wires terminal connects respectively A phase current mutual inductor (6), B phase current mutual inductor (7), C phase current mutual inductor (8) and is connected in series respectively more corresponding current protective relay (9);
Described direct current resistance m easurem ent unit, comprises ohmmeter (1), direct current resistance measurer (2), control relay (3), and is connected in series in order; Direct current resistance m easurem ent relay (4) is connected in A, B, the C three-phase of water pump three phase alternating current motor (10).
2. portable pump test system according to claim 1, is characterized in that: described voltameter (5) is HB3300 three-phase electricity parameter monitor.
3. portable pump test system according to claim 1, is characterized in that: described flowmeter (18) is XNJ series.
4. portable pump test system according to claim 1, is characterized in that: described tachometer (12) for rotational speed detector model be HB996.
5. portable pump test system according to claim 1, is characterized in that: described water-thermometer (14) is that intelligent single channel Communication Control instrument model is XMX416.
6. portable pump test system according to claim 1, is characterized in that: described room temperature table (16) is that intelligent single channel Communication Control instrument model is XMX416.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802946.0U CN203570563U (en) | 2013-12-09 | 2013-12-09 | Portable water pump test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802946.0U CN203570563U (en) | 2013-12-09 | 2013-12-09 | Portable water pump test system |
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| Publication Number | Publication Date |
|---|---|
| CN203570563U true CN203570563U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320802946.0U Expired - Fee Related CN203570563U (en) | 2013-12-09 | 2013-12-09 | Portable water pump test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134576A (en) * | 2015-09-29 | 2015-12-09 | 上海市城市排水有限公司 | Drainage pumping station water pump operation performance determining method and equipment |
-
2013
- 2013-12-09 CN CN201320802946.0U patent/CN203570563U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134576A (en) * | 2015-09-29 | 2015-12-09 | 上海市城市排水有限公司 | Drainage pumping station water pump operation performance determining method and equipment |
| CN105134576B (en) * | 2015-09-29 | 2018-03-16 | 上海市城市排水有限公司 | A kind of drainage pumping plant water pump operation performance diagnogtics method and diagnostic device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20141209 |
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| EXPY | Termination of patent right or utility model |