CN207609548U - Water pump testing system - Google Patents
Water pump testing system Download PDFInfo
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- CN207609548U CN207609548U CN201721763590.9U CN201721763590U CN207609548U CN 207609548 U CN207609548 U CN 207609548U CN 201721763590 U CN201721763590 U CN 201721763590U CN 207609548 U CN207609548 U CN 207609548U
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- Prior art keywords
- pond
- water
- circuit
- pressure
- electric motor
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Abstract
The utility model discloses a kind of water pump testing systems, with timing controlled test pump, its key points of the technical solution are that including sequentially connected water inlet pipe, inlet regulating valve, import pressure-measuring pipe, test pump, outlet pressure-measuring pipe, flowmeter, going out water regulating valve and outlet pipe；Further include pond, experiment electric motor, first pressure sensor and second pressure sensor；First pressure sensor is connected on import pressure-measuring pipe, and second pressure sensor is connected on outlet pressure-measuring pipe；Water inlet pipe connects pond, for extracting the water in pond；Experiment electric motor joint test pumps, to drive experiment pump work；Outlet pipe connects pond, to the water in loopback pond；Experiment electric motor is connected with timing control apparatus.
Description
Technical field
The utility model is related to water pump fields, particularly, are related to a kind of water pump testing system.
Background technology
Water pump is the mechanical device for conveying liquid or liquid being made to be pressurized.It is by the mechanical energy of prime mover or other external energies
It sends liquid to, liquid energy is made to increase, be mainly used to convey water, oil, acid ＆ alkali liquid, emulsion, suspended emulsion and liquid metal etc.
Liquid also can transport admixture of gas and the liquid containing suspended solids.
Such as:System, including water inlet end threeway are tested in the Chinese patent of 203978798 U of CN, water pump comprehensive automation
Solenoid valve, water pump integration test fast fixture, tested water pump, water outlet three-way magnetic valve, flow sensor, stifled stream valve, back pressure
Regulating valve and circulating water pool.
System is tested in above-mentioned water pump comprehensive automation, and operating personnel are fast implemented pump intake, gone out by fast clamp mechanism
The mouth of a river is connect with water route fast sealing is measured, and synchronously completes the connection of pump motor and the circuit for testing power supply.
For existing parallel water pump device in test process, per task, the working time of test is different, test pump
Testing time is different, is easy to influence the result of detection data.So according to control variate method, when testing experiment pumps, control
Testing time processed is important.If manually controlled, it is susceptible to deviation.In addition, the test for water pump, control is not enough just
Profit, these are all to be worth further improved.
Utility model content
In view of this, the utility model aim is to provide a kind of water pump testing system, there is timing controlled test pump, be convenient for
The advantage of debugging control.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of water pump testing system, including successively
The water inlet pipe of connection, import pressure-measuring pipe, test pump, outlet pressure-measuring pipe, flowmeter, goes out water regulating valve and goes out inlet regulating valve
Water pipe；Further include pond, experiment electric motor, first pressure sensor and second pressure sensor；First pressure sensor is connected to
On import pressure-measuring pipe, second pressure sensor is connected on outlet pressure-measuring pipe；Water inlet pipe connects pond, for extracting in pond
Water；Experiment electric motor joint test pumps, to drive experiment pump work；Outlet pipe connects pond, to the water in loopback pond；Examination
Electricity-testing machine is connected with timing control apparatus, and timing control apparatus includes：Start button, timing circuit and relay, it is described to open
Dynamic button is used to control the start and stop of timing circuit, and the timing circuit is when the work of control relay is fixed after start button triggers
Between, the work of Control experiment motor is used on the power circuit of the relay joint test motor, wherein in experiment electric motor work
After making the set time, the power supply of relay open test motor.
By above-mentioned setting, a control is carried out to experiment electric motor by timing control apparatus, when pressing start button
When, experiment electric motor driving experiment pump work for a period of time, stops after the time.During the test, test pump is by pond
In water from pond successively pass through water inlet pipe, inlet regulating valve, import pressure-measuring pipe, test pump, outlet pressure-measuring pipe, flowmeter, go out
Water regulating valve and outlet pipe, eventually pass back to pond, this in the process can be by first pressure sensor and second pressure sensor
Data are recorded, also flowmeter is also included in data.Inlet regulating valve and go out water regulating valve can be convenient for test process in it is manual
Debugging.
Preferably, it is also associated with speed probe on the experiment electric motor.
By above-mentioned setting, speed probe can detect the speed conditions of experiment electric motor work, and effective Feedback tests number
According to.
Preferably, the pond is rectangular, one temperature sensor of distribution setting on four side walls in pond, described in four
Temperature sensor distribution is connected to summing circuit, and the output end of the summing circuit is connected with comparison circuit, the comparison circuit
Output end be connected with indicator light.
By above-mentioned setting, in order to the temperature in diversified acquisition pond, by multiple temperature sensors, and will inspection
The data of survey carry out summation process, so as to more accurate detection pond temperature conditions, the case where water temperature, to test pump
Test is controlled effectively.If water temperature is too low, it indicates that lamp extinguishes, so as to test under low temperature water environment, test pump
Working condition.
Preferably, the comparison circuit include comparator and reference circuit, the reference circuit include resistance R32 and
The one end potentiometer Rp2, resistance R32 connects voltage vcc, and the other end of resistance R32 is grounded by potentiometer Rp2, resistance R32 and electricity
The reverse side of tie point connection comparator between the device Rp2 of position, summing circuit connect the in-phase end of comparator.
By above-mentioned setting, water temperature is reliably judged by comparing circuit, and can be adjusted by potentiometer Rp2
Save a reference value that low temperature judges.
The utility model has the technical effect that following aspect：Timing controlled test pump is convenient for debugging control, acquisition
Pond temperature is more accurate, can test low temperature condition.
Description of the drawings
Fig. 1 is pipeline connection structure diagram in embodiment 1；
Fig. 2 is circuit diagram in embodiment 1；
Fig. 3 is the structure chart in pond in embodiment 2, the position distribution of main presentation temperature sensor；
Fig. 4 is the connection figure of summing circuit in embodiment 2.
Reference numeral：1, water inlet pipe；2, inlet regulating valve；3, import pressure-measuring pipe；4, test pump；5, pressure-measuring pipe is exported；6、
Flowmeter；7, go out water regulating valve；8, outlet pipe；9, pond；10, experiment electric motor；11, first pressure sensor；12, second pressure
Sensor；13, timing control apparatus；131, start button；132, timing circuit；133, relay；14, speed probe；15、
Temperature sensor；16, comparison circuit；161, comparator；162, reference circuit；17, summing circuit；18, indicator light.
Specific implementation mode
Below in conjunction with attached drawing, specific embodiment of the present utility model is described in further detail, so that the utility model skill
Art scheme is more readily understood and grasps.
Embodiment 1：
A kind of water pump testing system, as shown in Figure 1, including sequentially connected water inlet pipe 1, inlet regulating valve 2, import pressure measurement
Pipe 3, outlet pressure-measuring pipe 5, flowmeter 6, goes out water regulating valve 7 and outlet pipe 8 at test pump 4.Water pump testing system further includes water
Pond 9, experiment electric motor 10, first pressure sensor 11 and second pressure sensor 12；First pressure sensor 11 is connected to import
On pressure-measuring pipe 3, second pressure sensor 12 is connected on outlet pressure-measuring pipe 5.
Water inlet pipe 1 connects pond 9, for extracting the water in pond 9；10 joint test of experiment electric motor pump 4, to drive examination
Test 4 work of pump；Outlet pipe 8 connects pond 9, to the water in loopback pond 9.
As shown in Fig. 2, experiment electric motor 10 is connected with timing control apparatus 13, timing control apparatus 13 includes：Start button
131, timing circuit 132 and relay 133, start button 131 are used to control the start and stop of timing circuit 132, timing circuit 132
Control relay 133 works the set time after the triggering of start button 131, the power cord of 133 joint test motor 10 of relay
Road is used for the work of Control experiment motor 10, wherein after experiment electric motor 10 works the set time, relay 133 disconnects examination
The power supply of electricity-testing machine 10.
As shown in Fig. 2, timing circuit 132 includes three or five chip ICs, resistance R11, resistance R12, potentiometer Rp1, Yi Ji electricity
Hold C11.Its connection structure is as shown in Fig. 2, beyond all doubt from attached drawing can obtain, then this is not being repeated.In addition, three or five
The third pin of chip IC is also associated with LED light.
The course of work of foregoing circuit is：Start button 131 is pressed, relay 133 works at this time, and relay 133 includes
Coil K1 and normally opened contact K1-1, normally opened contact K1-1 are closed, work a period of time of experiment electric motor 10, when the meter of three or five chip ICs
When after, normally opened contact K1-1 resets, then experiment electric motor 10 is stopped.
From the foregoing, it will be observed that a control is carried out to experiment electric motor 10 by timing control apparatus 13, when pressing start button 131
When, experiment electric motor 10 drives the work a period of time of test pump 4, stops after the time.The length of timing can lead to
Potentiometer Rp1 is overregulated to be adjusted.During the test, the water in pond 9 is passed through from pond 9 and is intake by test pump 4 successively
Pipe 1, import pressure-measuring pipe 3, test pump 4, outlet pressure-measuring pipe 5, flowmeter 6, goes out water regulating valve 7 and water outlet at inlet regulating valve 2
Pipe 8 eventually passes back to pond 9, this can record data by first pressure sensor 11 and second pressure sensor 12 in the process, also
There is flowmeter 6 to be also included in data.Inlet regulating valve 2 and go out water regulating valve 7 can be in order to the manual debugging in test process.
As shown in Figure 1, being also associated with speed probe 14 on experiment electric motor 10.Speed probe 14 can detect experiment electricity
The speed conditions that machine 10 works, effective Feedback test data.
Embodiment 2：
A kind of water pump testing system, be based on above-described embodiment, with embodiment 1 difference lies in, as shown in Figure 3 and Figure 4, water
Pond 9 is rectangular, one temperature sensor 15 of distribution setting on four side walls in pond 9, four distribution connections of temperature sensor 15
To summing circuit 17, the output end of summing circuit 17 is connected with comparison circuit 16, and the output end of comparison circuit 16 is connected with instruction
Lamp 18.Summing circuit 17 includes resistance R1-R6 and operational amplifier.Four temperature sensors 15 pass through resistance R1-R4 respectively
It is connected to the in-phase end of operational amplifier, the output of operational amplifier is connected to by resistance Rf in the reverse side of operational amplifier
End.
In Fig. 4, comparison circuit 16 includes comparator 161 and reference circuit 162, and reference circuit 162 includes resistance
The one end R32 and potentiometer Rp2, resistance R32 connects voltage vcc, and the other end of resistance R32 is grounded by potentiometer Rp2, resistance
The reverse side of tie point connection comparator 161 between R32 and potentiometer Rp2, summing circuit 17 connect the same phase of comparator 161
End.Water temperature is reliably judged by comparing circuit 16, and the benchmark of low temperature judgement can be adjusted by potentiometer Rp2
Value.
In order to it is diversified acquisition pond 9 temperature, by multiple temperature sensors 15, and by the data of detection into
Row summation process the case where water temperature, obtains the test of test pump 4 so as to more accurate detection 9 temperature conditions of pond
Effective control.If water temperature is too low, it indicates that lamp 18 extinguishes, so as to test under low temperature water environment, the work feelings of test pump 4
Condition.
Certainly, the representative instance of above only the utility model, in addition to this, the utility model can also have other a variety of
Specific implementation mode, all technical solutions formed using equivalent substitution or equivalent transformation all fall within the requires of the utility model protection
Within the scope of.
Claims (4)
1. a kind of water pump testing system, characterized in that surveyed including sequentially connected water inlet pipe (1), inlet regulating valve (2), import
Pressure pipe (3), outlet pressure-measuring pipe (5), flowmeter (6), goes out water regulating valve (7) and outlet pipe (8) at test pump (4)；
Further include pond (9), experiment electric motor (10), first pressure sensor (11) and second pressure sensor (12)；First pressure
Force snesor (11) is connected on import pressure-measuring pipe (3), and second pressure sensor (12) is connected on outlet pressure-measuring pipe (5)；
Water inlet pipe (1) connects pond (9), for extracting the water in pond (9)；
Experiment electric motor (10) joint test pumps (4), to drive test pump (4) to work；
Outlet pipe (8) connects pond (9), to the water in loopback pond (9)；
Experiment electric motor (10) is connected with timing control apparatus (13), and timing control apparatus (13) includes：Start button (131) is determined
When circuit (132) and relay (133), the start button (131) is used to control the start and stop of timing circuit (132), described
Timing circuit (132) control relay (133) after start button (131) triggering works the set time, the relay (133)
The work of Control experiment motor (10) is used on the power circuit of joint test motor (10), wherein in experiment electric motor (10) work
After making the set time, the power supply of relay (133) open test motor (10).
2. water pump testing system as described in claim 1, characterized in that be also associated with rotating speed biography on the experiment electric motor (10)
Sensor (14).
3. water pump testing system as described in claim 1, characterized in that the pond (9) be it is rectangular, four of pond (9)
One temperature sensor (15) of distribution setting on side wall, four temperature sensor (15) distributions are connected to summing circuit
(17), the output end of the summing circuit (17) is connected with comparison circuit (16), the output end connection of the comparison circuit (16)
There is indicator light (18).
4. water pump testing system as claimed in claim 3, characterized in that the comparison circuit (16) includes comparator
(161) and reference circuit (162), that the reference circuit (162) includes resistance R32 and potentiometer Rp2, and the one end resistance R32 connects
Voltage vcc is connect, the other end of resistance R32 is grounded by potentiometer Rp2, the tie point connection between resistance R32 and potentiometer Rp2
The reverse side of comparator (161), summing circuit (17) connect the in-phase end of comparator (161).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721763590.9U CN207609548U (en) | 2017-12-18 | 2017-12-18 | Water pump testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721763590.9U CN207609548U (en) | 2017-12-18 | 2017-12-18 | Water pump testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207609548U true CN207609548U (en) | 2018-07-13 |
Family
ID=62798986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721763590.9U Expired - Fee Related CN207609548U (en) | 2017-12-18 | 2017-12-18 | Water pump testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207609548U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538461A (en) * | 2018-11-20 | 2019-03-29 | 江西三川节能股份有限公司 | A kind of parallel water pump experiment station Intelligentized test system |
| CN110542254A (en) * | 2019-08-30 | 2019-12-06 | 珠海格力电器股份有限公司 | Water chilling unit, inlet and outlet water pressure adjusting method thereof and air conditioning system |
| CN113153725A (en) * | 2021-04-27 | 2021-07-23 | 厦门坤锦电子科技有限公司 | Water pump testing system and method |
-
2017
- 2017-12-18 CN CN201721763590.9U patent/CN207609548U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538461A (en) * | 2018-11-20 | 2019-03-29 | 江西三川节能股份有限公司 | A kind of parallel water pump experiment station Intelligentized test system |
| CN110542254A (en) * | 2019-08-30 | 2019-12-06 | 珠海格力电器股份有限公司 | Water chilling unit, inlet and outlet water pressure adjusting method thereof and air conditioning system |
| CN113153725A (en) * | 2021-04-27 | 2021-07-23 | 厦门坤锦电子科技有限公司 | Water pump testing system and method |
| CN113153725B (en) * | 2021-04-27 | 2023-10-17 | 厦门坤锦电子科技有限公司 | Water pump testing system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180713 Termination date: 20211218 |