CN108761136A - A kind of coolant pump rotational speed monitor system testing calibration device and its testing calibration method - Google Patents
A kind of coolant pump rotational speed monitor system testing calibration device and its testing calibration method Download PDFInfo
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- CN108761136A CN108761136A CN201811007493.6A CN201811007493A CN108761136A CN 108761136 A CN108761136 A CN 108761136A CN 201811007493 A CN201811007493 A CN 201811007493A CN 108761136 A CN108761136 A CN 108761136A
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- Prior art keywords
- coolant pump
- sensor
- rotational speed
- monitor system
- testing calibration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
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- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of coolant pump rotational speed monitor system testing calibration devices, the testing calibration device includes cabinet, the rack being arranged in cabinet, rack-mounted motor drive module, motor, revolution counter, control panel, protective cover and mounting bracket, send out tooth fast on motor output shaft, sensor in mounting bracket, the amplifier being connect by coaxial cable with sensor, with the oscillograph and coolant pump rotational speed monitor system data processing unit of the communication connection of amplifier signal output end, motor drive module passes through conducting wire and the motor, revolution counter, control panel connects, control panel passes through conducting wire and power supply, motor drive module and revolution counter connection, during the work time, it sends out tooth fast and is driven with motor output shaft and pass through the sensor.The present invention solves the problems, such as that there is presently no the testing calibration devices and testing calibration method that system is monitored specifically for coolant pump.
Description
【Technical field】
The present invention relates to the technical field of rotational speed monitor system verification, more particularly to a kind of power plant coolant pump rotating speed prison
Examining system testing calibration device and its testing calibration method.
【Background technology】
Coolant pump is unique turn-around machine in one of power plant's key equipment and cooling system in entire power plant runs
Tool equipment, the equipment are chronically at live no worker monitor state, it is therefore desirable to which rotational speed monitor system remotely monitors equipment
(monitoring device include send out fast tooth, reluctive transducer, connecting cable, signal processing unit, DCS), and existing market is not yet
Detection (calibration) device specifically for the monitoring system and detection (calibration) method, therefore our company develops detection (calibration) dress
(calibration) method is set and detects to be detected (calibration) the coolant pump rotational speed monitor system during power plant shuts down overhaul.
【Invention content】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of coolant pump rotational speed monitor system inspection is provided
Calibrating installation and its testing calibration method are surveyed, aims to solve the problem that there are no monitor system specifically for coolant pump in the prior art
Testing calibration device and the technical issues of testing calibration method.
To achieve the above object, the present invention proposes a kind of coolant pump rotational speed monitor system testing calibration device, the inspection
It includes cabinet to survey calibrating installation, and the rack in the cabinet is arranged, motor drive module, the electricity being mounted in the rack
Machine, revolution counter, control panel, protective cover and mounting bracket are mounted on the motor output shaft and send out tooth fast, be mounted on institute
The sensor in mounting bracket is stated, the amplifier being connect by coaxial cable with the sensor is defeated with the amplifier signal
The oscillograph and coolant pump rotational speed monitor system data processing unit, the motor drive module of outlet communication connection pass through
Conducting wire is connect with the motor, revolution counter, control panel, and the control panel is driven by conducting wire and power supply, the motor
Module and revolution counter connection, it is during the work time, described send out fast tooth and drive the process sensor with motor output shaft.
Preferably, the rack includes framework soleplate, rack upper plate and 4 support columns, the framework soleplate is logical
The bottom for crossing bolt and cabinet is connected and fixed, and the rack upper plate is arranged in parallel in the top of framework soleplate, and rack upper plate
It is joined with bolts, is provided on the framework soleplate several for fixing motor by 4 support columns with framework soleplate
The first through hole of drive module and several for fixing the second through-hole of motor, several be used for is provided on the rack upper plate
The third through-hole of fixed motor, several fourth holes for fixing protective cover, several fifth holes for fixed rotating speed table,
It is several to be used to fix the 6th through-hole of control panel and several the 7th through-holes for mounting bracket.
It is fixed on framework soleplate preferably, first through hole is bolted in the motor drive module, it is described
Motor bottom and top respectively by it is several be bolted the second through-hole, third through-holes are mounted in rack, the guarantor
Shield is fixed on by several fourth holes that are bolted on rack upper plate, and the fixed rotating speed table is bolted by several
Fifth hole is mounted on rack upper plate, if the control panel connects the 6th through-hole by bolt stem is installed on rack upper plate
On, the mounting bracket is fixed on by several the 7th through-holes that are bolted on rack upper plate, the bottom of the mounting bracket
Portion is provided with the strip-shaped hole for adjusting installation site.
Preferably, the side of the cabinet is provided with 220V attaching plugs, electricity is provided on the control panel
Source switch, it is positive/negative turn on pass, operating switches, stepless speed regulation knob, square wave Q9, Q9, electric current, 12V output wiring terminals, it is described
Power switch and cabinet on 220V attaching plugs connection.
Preferably, the revolution counter uses HP966B type revolution counters；The motor using 80BLF140-3160 without
Brush motor；The motor drive module uses MMF DBSL-08-H brushless motor drivers；It is described that send out tooth fast be monodentate,
It is made of the good Cr13 ferritic stainless steels of magnetic property, it is identical that size and the coolant pump of actual condition send out tooth fast；Institute
The sensor stated uses the magnetic resistance speed sensor of square profiles, when sending out tooth fast in work and passing through sensor iron core, causes to pass
Sensor magnetic flux change, coil is interior to generate induced potential, sensor output pulse signal.
It is described to send out tooth fast and pass through key and bolt preferably, the output shaft of the motor extends the top of rack
It is connected on the output shaft of motor, the protective cover, which covers, sends out tooth fast, and the protective cover by bolt by being mounted on rack
The side protective cover at top is constituted with the upper protective cover being fixed on the protective cover of side is bolted, and is set on the side protective cover
It is equipped with the opening for sensor installation.
Preferably, the amplifier uses the amplifier with filter function, set on the shell of the amplifier
It is equipped with the signal input part being connect with coaxial cable communication and oscillograph or coolant pump rotational speed monitor system data processing unit
The amplified signal output end and amplifier gain knob and APS amplifier power supply plug of communication connection.
The invention also provides a kind of testing calibration methods of coolant pump rotational speed monitor system testing calibration device, including
Following steps：
1), the testing calibration device is assembled, and the 220V attaching plugs of cabinet side are connected into 220V power supplys；
2) sensor is installed in mounting bracket, adjusts mounting bracket position, make to send out fast tooth position in the groove of sensor
Longitudinal center position, and sensor recess transverse center position is crossed in target outer；
3) with the signal input part of coaxial cable connection the sensor signal output end and amplifier of double females, pass through amplification
Device gain knob adjusts amplification coefficient k, and the amplified signal output end of amplifier is connected to oscillograph；
4) power switch on control panel is opened；
5) within the scope of tested coolant pump rotational speed monitor system, no less than 3 points is uniformly chosen and are used as calibration reference point,
Then adjusting stepless speed regulation knob respectively makes the testing calibration device rotary speed reach above-mentioned reference point, records sensor respectively in institute
Select the output waveform of reference point, low and high level, output voltage peak value；Record data are compared with sensor parameters later, are obtained
Sensor performance data and deviation；
6) the amplified signal output end of amplifier is accessed into coolant pump rotational speed monitor system data processing unit：Tested
Within the scope of coolant pump rotational speed monitor system, no less than 3 points are uniformly chosen as calibration reference point, are then adjusted respectively stepless
Speed governing knob makes rotating speed reach above-mentioned reference point, is recorded in the rotating speed indicating value of selected reference point；By coolant pump rotation speed monitoring system
Rotating speed indicating value of uniting and the revolution counter registration of the testing calibration device compare, and obtain the deviation of coolant pump rotational speed monitor system, from
And realize the detection to coolant pump rotational speed monitor system.
Preferably, 3) amplification coefficient k=r in the step1/r2。
Preferably, the r1Send out the effective radius of turn of tooth fast for cut the sensor magnetic line of force in real work, the r2
For the effective radius of turn for sending out tooth fast.
Beneficial effects of the present invention：Compared with prior art, a kind of coolant pump rotational speed monitor system provided by the invention
Testing calibration device and its testing calibration method, principle are：Sensor is fixed on the testing calibration device first, is passed through
Mounting bracket adjusts sensing station, so that the alignment of sensor recess center is sent out tooth fast, then adjust the stepless of the testing calibration device
Speed governing knob makes the testing calibration device reach specified rotating speed, to be amplified to the tach signal tested by amplifier
Be filtered, data after processing are compared with sensor parameters later, obtain the performance data of sensor；It also can be by signal
Coolant pump rotational speed monitor system data processing unit is accessed, obtaining rotating speed on coolant pump rotational speed monitor system (DCS) shows
Value obtains coolant pump rotational speed monitor system by comparing the revolution counter rotating speed of rotating speed indicating value and the testing calibration device
Deviation, to realize the purpose of testing calibration power plant coolant pump rotational speed monitor system.The invention has the advantages that：
1, side protective cover is provided with opening, and sensor is mounted on the mounting bracket of adjustable position, can fix simultaneously
Adjust the magnetic resistance speed sensor of square profiles；
2, the material design for having selected magnetic property high sends out tooth (monodentate) fast, sends out heel fast and is rotated with motor, when sending out tooth fast
When by interior armature surface positioned at sensor recess, sending out the tooth cutting sensor magnetic line of force fast causes magnetic circuit reluctance variation primary,
Magnetic flux follows variation primary, therefore, induced potential, change frequency and triggering Frequency Synchronization is generated in coil, to solve
Electromagnetic induction face is located at the test problems of the sensor of sensor internal；
3, collected tach signal is sent to amplifier, amplifier has filter function, energy filtering environmental factor to cause
Interference signal can because the effective radius of turn of working sensor has differences with effective radius of turn under calibration condition
With proportionally amplified signal, carry out the real work situation of analog sensor, it, can be with amplified signal substituting radius of turn
Output of the sensor under actual operating conditions is obtained, and amplified signal is consistent with actual signal, therefore may be implemented to grow
The purpose of Distance Transmission signal data；
4. motor is controlled using variable speed, rotating speed, and speed regulation process can be arbitrarily lifted during equipment operation
In will not shut down, speed-change process stablize, adjust the used time it is short the features such as.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of testing calibration signal of coolant pump rotational speed monitor system testing calibration device of the embodiment of the present invention
Figure；
Fig. 2 is a kind of vertical view of coolant pump rotational speed monitor system testing calibration device of the embodiment of the present invention；
Fig. 3 is A in Fig. 2 to structural schematic diagram；
Fig. 4 is the schematic diagram of the control panel of the embodiment of the present invention；
Fig. 5 is the interface schema of the motor drive module of the embodiment of the present invention；
Fig. 6 is the interface schema of the revolution counter of the embodiment of the present invention；
Fig. 7 is the schematic diagram of the amplifier of the embodiment of the present invention；
Fig. 8 is the schematic diagram of the amplifier of the embodiment of the present invention.
In figure：Cabinet【1】, rack lower plate【2】, motor drive module【3】, support column【4】, revolution counter【5】, rack upper plate
【6】, side protective cover【7】, motor【8】, control panel【9】, upper protective cover【10】, send out tooth fast【11】, mounting bracket【12】, sensing
Device【13】, coaxial cable【14】, amplifier【15】, oscillograph【16】, coolant pump rotational speed monitor system data processing unit
【17】, speed governing knob【901】, power switch【902】, positive/negative turn on pass【903】, operating switches【904】, electric current Q9 heads
【905】, square wave Q9 heads【906】, 12V output wiring terminals【907】, amplified signal output end【1501】, amplifier gain knob
【1502】, APS amplifier power supply plug【1503】, amplified signal output end【1504】.
【Specific implementation mode】
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The range being not intended to restrict the invention.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of coolant pump rotational speed monitor system testing calibration device, should
Testing calibration device includes cabinet 1, and the rack in the cabinet 1 is arranged, the motor drive module being mounted in the rack
3, motor 8, revolution counter 5, control panel 9, protective cover and mounting bracket 12 are mounted on and send out fast on 8 output shaft of the motor
Tooth 11, the sensor 13 being mounted in the mounting bracket 12, the amplification being connect by coaxial cable 14 with the sensor 13
Device 15, the oscillograph 16 with the communication connection of 15 signal output end of the amplifier and coolant pump rotational speed monitor system data processing
Unit 17, the motor drive module 3 are connect by conducting wire with the motor 8, revolution counter 5, control panel 9, the control
Panel 9 processed is connect by conducting wire with power supply, the motor drive module 3 and revolution counter 5, during the work time, described to send out tooth fast
11 drive with 8 output shaft of motor by the sensor 13.
In embodiments of the present invention, the side of the cabinet 1 is provided with 220V attaching plugs, and the rack includes machine
Frame bottom plate 2, rack upper plate 6 and 4 support columns 4, the framework soleplate 2 are connected and fixed by the bottom of bolt and cabinet 1, institute
The rack upper plate 6 stated is arranged in parallel in the top of framework soleplate 2, and rack upper plate 6 is used with framework soleplate 2 by 4 support columns 4
It is bolted fixation, is provided on the framework soleplate 2 several for fixing the first through hole of motor drive module 3 and several
The second through-hole for fixing motor 8, if be provided on the rack upper plate 6 it is several for fix motor 8 third through-holes,
Do the fourth hole for fixing protective cover, several fifth holes for fixed rotating speed table 5, several for fixing control panel
9 the 6th through-hole and several the 7th through-holes for mounting bracket 12；The motor drive module 3 is connected by bolt
It connects first through hole to be fixed on framework soleplate 2, to be bolted second logical by several respectively for the bottom of the motor 8 and top
Hole, third through-hole are mounted in rack, and the protective cover is fixed on rack upper plate 6 by several fourth holes that are bolted
On, the fixed rotating speed table 5 is mounted on by several fifth holes that are bolted on rack upper plate 6, the control panel 9
If connecting the 6th through-hole by bolt stem to be installed on rack upper plate 6, the mounting bracket 12 is bolted the 7th by several
Through-hole is fixed on rack upper plate 6, and the bottom of the mounting bracket 12 is provided with the strip-shaped hole for adjusting installation site.
Further, the revolution counter 5 uses HP966B type revolution counters；The motor 8 uses 80BLF140-3160
Brushless motor；The motor drive module 3 uses MMF DBSL-08-H brushless motor drivers；It is described to send out tooth 11 fast and be
Monodentate is made of the good Cr13 ferritic stainless steels of magnetic property, and the coolant pump of size and actual condition sends out tooth phase fast
Together；The sensor 13 is sent out tooth 11 fast and is passed through 13 iron of sensor using the magnetic resistance speed sensor of square profiles in work
When core, causes 13 magnetic flux change of sensor, induced potential, 13 output pulse signal of sensor are generated in coil；The electricity
The output shaft of machine 8 extends the top of rack, described to send out tooth 11 fast by key and be bolted on the output shaft of motor 8,
The protective cover, which covers, sends out tooth 11 fast, and the protective cover is by being mounted on the side protective cover 7 of frame top and logical by bolt
It crosses the upper protective cover 10 for being bolted and being fixed on side protective cover 7 to constitute, be provided on the side protective cover 7 for the sensing
The opening that device 13 is installed.
Further, cabinet 1 buckles connection upper cover (not shown) by four alloys, is above stamped handle, entire to fill
Setting can be portable, easy to carry, is suitable for the situation of narrow space in power plant coolant pump.
Refering to Fig. 4, it is provided with power switch 902 on the control panel 9, positive/negative turns on pass 903, operating switches
904, stepless speed regulation knob 901, square wave Q9 heads 906, electric current Q9 heads 905,12V output wiring terminals 907, the power switch
902 connect with the 220V attaching plugs on cabinet 1；Interface on motor drive module 3 is as shown in figure 5, interface on revolution counter 5
As shown in Figure 6.
Wherein, L1, L2 on motor drive module 3 are connected through the power positive cathode of power switch 902, GND connection electricity
Source, this is inputted for main circuit power；U, V, W terminal are separately connected that 8 output end of motor is yellow, green, blue line；CN1 terminals 1,2,3,
4,5 it is separately connected that 8 input terminal of motor is black, yellow, green, blue, red line；CN2 terminals 1,2,3 are separately connected 9 stepless speed regulation of control panel
The palm fibre of knob 901, Huang, red line, stepless speed regulation knob 901 is controlling 8 rotating speed of motor；CN2 terminals 1,2 are separately connected control plane
The palm fibre of 9 operating switches 904 of plate, red line；CN2 terminals 3,4 are separately connected the positive/negative Huang for turning on pass 903 of control panel 9, blue line；
CN2 terminals 3,8 are separately connected the terminal 4,1 of revolution counter 5；905 positive and negative anodes of electric current Q9 heads be separately connected revolution counter 5 terminal 19,
20, output current；906 positive and negative anodes of square wave Q9 heads are separately connected the terminal 1,4 of revolution counter 5, export square-wave signal；12V outputs connect
907 positive and negative anodes of terminal are separately connected the terminal 8,5 of revolution counter (5), and series resistance exports 12V voltages, can power to amplifier；Turn
The terminal 11,12 of fast table 5 is separately connected terminal L1, L2 of motor drive module 3,220V power supplies.
Further, the amplifier 15 is using the amplifier with filter function, and amplifier 15 is by DC, resistance, electricity
Hold composition, as shown in Figure 7；The signal input part communicated to connect with coaxial cable 14 is provided on the shell of the amplifier 15
1501, the amplified signal output end communicated to connect with oscillograph 16 or coolant pump rotational speed monitor system data processing unit 17
1504 and amplifier gain knob 1502 and APS amplifier power supply plug 1503, as shown in Figure 8.Wherein, amplifier gain knob
1502 gain ranging is 1~60 times, and APS amplifier power supply plug 1503 is powered for 9~18VDC, signal input part.
The invention also provides a kind of testing calibration methods of coolant pump rotational speed monitor system testing calibration device, including
Following steps：
1), the testing calibration device is assembled, and the 220V attaching plugs of 1 side of cabinet are connected into 220V power supplys.
2) sensor 13 is installed in mounting bracket 12, adjusts mounting bracket 12 position, made to send out fast tooth 11 and be located at sensing
The groove longitudinal center position of device 13, and sensor recess transverse center position is crossed in target outer.
3) signal input part that sensor 13 signal output end and amplifier 15 are connected with the coaxial cable 14 of double females, leads to
It crosses amplifier gain knob 1502 and adjusts amplification coefficient k, amplification coefficient k=r1/r2, by the amplified signal output end of amplifier 15
1504 are connected to oscillograph 16, wherein r1To cut the effectively rotation half of sending out tooth 11 fast of 13 magnetic line of force of sensor in real work
Diameter, the r2For the effective radius of turn for sending out tooth 11 fast.
4) power switch 902 on control panel 9 is opened.
5) within the scope of tested coolant pump rotational speed monitor system, no less than 3 points is uniformly chosen and are used as calibration reference point,
Then adjusting stepless speed regulation knob 901 respectively makes the testing calibration device rotary speed reach above-mentioned reference point, records sensor respectively
13 in the output waveform of selected reference point, low and high level, output voltage peak value；It later will record data and 13 parameter pair of sensor
Than obtaining 13 performance data of sensor and deviation.
6) the amplified signal output end 1504 of amplifier 15 is accessed into coolant pump rotational speed monitor system data processing unit
17：Within the scope of tested coolant pump rotational speed monitor system, no less than 3 points are uniformly chosen as calibration reference point, are then divided
Not Tiao Jie stepless speed regulation knob 901 so that rotating speed is reached above-mentioned reference point, be recorded in the rotating speed indicating value of selected reference point；By coolant
Revolution speed monitors system rotating speed indicating value and 5 registration of revolution counter of the testing calibration device compares, and obtains coolant pump rotation speed monitoring
The deviation of system, to realize the detection to coolant pump rotational speed monitor system.
Specific embodiment：
During power plant's overhaul, using a kind of coolant pump rotational speed monitor system testing calibration device, carry out at the scene whole
The testing calibration of a coolant pump rotational speed monitor system.
The sensor 13 disassembled is mounted on coolant pump rotational speed monitor system testing calibration device first, then will
The output signal of sensor 13 accesses the input terminal of amplifier 15 by coaxial cable 14, is arrived later to test by amplifier 15
Tach signal be amplified and be filtered.Within the scope of tested coolant pump rotational speed monitor system, choosing rotating speed is
Then this 6 points of 300rpm, 600rpm, 900rpm, 1200rpm, 1500rpm, 1800rpm are adjusted respectively as detection reference point
Section stepless speed regulation knob 901 makes device rotary speed reach the rotating speed of 6 selected points, then records sensor 13 respectively at this 6
The output waveform of point, low and high level, output voltage peak-to-peak value；Finally the data of record and sensor 13 parameter of dispatching from the factory are carried out pair
Than obtaining the performance data and deviation of sensor 13, as shown in the table.
15 output end of amplifier is accessed again and is tested coolant pump rotational speed monitor system.In tested coolant pump rotation speed monitoring
In system scope, it is this 6 point conducts of 300rpm, 600rpm, 900rpm, 1200rpm, 1500rpm, 1800rpm to choose rotating speed
Reference point is detected, then adjusts the rotating speed that stepless speed regulation knob 901 makes device rotary speed reach 6 selected points, record respectively
Rotating speed indicating value of the tested coolant pump rotational speed monitor system in this 6 points；Tested coolant pump rotational speed monitor system rotating speed is shown
Value is compared with the 5 registration value of revolution counter in the present apparatus, tested coolant pump rotational speed monitor system deviation is obtained, to realization pair
The detection of coolant pump rotational speed monitor system.
| Rated rotational frequency (rpm) | 300 | 600 | 900 | 1200 | 1500 | 1800 |
| By calibration system indicating value (rpm) | 300 | 600 | 899 | 1199 | 1500 | 1800 |
| Deviation (%) | 0.00% | 0.00% | - 0.11% | - 0.08% | 0.00% | 0.00% |
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of coolant pump rotational speed monitor system testing calibration device, it is characterised in that：The testing calibration device includes cabinet
(1), the rack being arranged in the cabinet (1), motor drive module (3), motor (8), the rotating speed being mounted in the rack
Table (5), control panel (9), protective cover and mounting bracket (12) are mounted on the motor (8) output shaft and send out tooth fast
(11), the sensor (13) being mounted in the mounting bracket (12) is connected with the sensor (13) by coaxial cable (14)
The amplifier (15) connect is supervised with the oscillograph (16) and coolant pump rotating speed of the communication connection of the amplifier (15) signal output end
Examining system data processing unit (17), the motor drive module (3) by conducting wire and the motor (8), revolution counter (5),
Control panel (9) connects, and the control panel (9) passes through conducting wire and power supply, the motor drive module (3) and revolution counter
(5) it connects, it is during the work time, described send out fast tooth (11) and drive the process sensor (13) with motor (8) output shaft.
2. a kind of coolant pump rotational speed monitor system testing calibration device as described in claim 1, it is characterised in that：Described
Rack includes that framework soleplate (2), rack upper plate (6) and 4 support columns (4), the framework soleplate (2) pass through bolt and cabinet
(1) bottom is connected and fixed, and the rack upper plate (6) is arranged in parallel in the top of framework soleplate (2), and rack upper plate (6)
It is joined with bolts by 4 support columns (4) with framework soleplate (2), the framework soleplate is provided with several be used on (2)
The first through hole of fixed motor drive module (3) and several the second through-holes for fixing motor (8), the rack upper plate
(6) several third through-hole, several fourth hole, Ruo Ganyong for fixing protective cover for fixing motor (8) are provided on
In the fifth hole of fixed rotating speed table (5), several the 6th through-holes for fixing control panel (9) and several for fixed peace
Fill the 7th through-hole of holder (12).
3. a kind of coolant pump rotational speed monitor system testing calibration device as claimed in claim 2, it is characterised in that：Described
The first through hole that motor drive module (3) is bolted is fixed on framework soleplate (2), the bottom of the motor (8) with
Respectively by several the second through-hole, third through-holes of being bolted in rack, the protective cover passes through several spiral shells on top
It tethers and connects fourth hole and be fixed on rack upper plate (6), the fixed rotating speed table (5) is bolted fifth hole by several
On rack upper plate (6), the control panel (9) is installed on rack upper plate (6) if connecting the 6th through-hole by bolt stem
On, the mounting bracket (12) is fixed on by several the 7th through-holes that are bolted on rack upper plate (6), the installation branch
The bottom of frame (12) is provided with the strip-shaped hole for adjusting installation site.
4. a kind of coolant pump rotational speed monitor system testing calibration device as described in claim 1, it is characterised in that：Described
The side of cabinet (1) is provided with 220V attaching plugs, and power switch (902), positive/negative is provided on the control panel (9)
It is defeated to turn on pass (903), operating switches (904), stepless speed regulation knob (901), Q9 square wave Q9 (906), electric current (905), 12V
Go out binding post (907), the power switch (902) is connect with the 220V attaching plugs on cabinet (1).
5. a kind of coolant pump rotational speed monitor system testing calibration device as described in claim 1, it is characterised in that：Described
Revolution counter (5) uses HP966B type revolution counters；The motor (8) uses 80BLF140-3160 brushless motors；The motor
Drive module (3) uses MMF DBSL-08-H brushless motor drivers；Described to send out tooth (11) fast be monodentate, using magnetic conductivity
Can good Cr13 ferritic stainless steels be made, it is identical that size and the coolant pump of actual condition send out tooth fast；The sensor
(13) magnetic resistance speed sensor for using square profiles causes when sending out tooth (11) fast in work and passing through sensor (13) iron core
Sensor (13) magnetic flux change, coil is interior to generate induced potential, sensor (13) output pulse signal.
6. a kind of coolant pump rotational speed monitor system testing calibration device as described in claim 1, it is characterised in that：Described
The output shaft of motor (8) extends the top of rack, described to send out tooth (11) fast by key and be bolted in the defeated of motor (8)
On shaft, the protective cover, which covers, sends out tooth (11) fast, and the protective cover is protected by the side for being mounted on frame top by bolt
The upper protective cover (10) that shield (7) and being bolted is fixed on side protective cover (7) is constituted, the side protective cover (7)
On be provided with for the sensor (13) install opening.
7. a kind of coolant pump rotational speed monitor system testing calibration device as described in claim 1, it is characterised in that：Described
Amplifier (15) is provided with using the amplifier with filter function, on the shell of the amplifier (15) and coaxial cable
(14) signal input part (1501) and oscillograph (16) or coolant pump rotational speed monitor system data processing unit communicated to connect
(17) the amplified signal output end (1504) and amplifier gain knob (1502) and APS amplifier power supply plug communicated to connect
(1503)。
8. a kind of testing calibration method of coolant pump rotational speed monitor system testing calibration device, it is characterised in that：Including as follows
Step：
1), the testing calibration device is assembled, and the 220V attaching plugs of cabinet (1) side are connected into 220V power supplys；
2) sensor (13) is installed in mounting bracket (12), adjusts mounting bracket (12) position, made to send out fast tooth (11) and be located at
The groove longitudinal center position of sensor (13), and sensor recess transverse center position is crossed in target outer；
3) signal input part of sensor (13) signal output end and amplifier (15) is connected with the coaxial cable (14) of double females,
Amplification coefficient k is adjusted by amplifier gain knob (1502), the amplified signal output end (1504) of amplifier (15) is connected
To oscillograph (16)；
4) power switch (902) on control panel (9) is opened；
5) within the scope of tested coolant pump rotational speed monitor system, no less than 3 points are uniformly chosen as calibration reference point, then
Adjusting stepless speed regulation knob (901) respectively makes the testing calibration device rotary speed reach above-mentioned reference point, records sensor respectively
(13) in the output waveform of selected reference point, low and high level, output voltage peak value；Record data are joined with sensor (13) later
Number comparison, obtains sensor (13) performance data and deviation；
6) the amplified signal output end (1504) of amplifier (15) is accessed into coolant pump rotational speed monitor system data processing unit
(17)：Within the scope of tested coolant pump rotational speed monitor system, no less than 3 points are uniformly chosen as calibration reference point, then
Adjusting stepless speed regulation knob (901) respectively makes rotating speed reach above-mentioned reference point, is recorded in the rotating speed indicating value of selected reference point；It will be cold
But agent revolution speed monitoring system rotating speed indicating value and revolution counter (5) registration of the testing calibration device compare, and obtain coolant pump and turn
The deviation of slowdown monitoring system, to realize the detection to coolant pump rotational speed monitor system.
9. a kind of testing calibration method of coolant pump rotational speed monitor system testing calibration device as described in claim 1,
It is characterized in that：3) amplification coefficient k=r in the step1/r2。
10. a kind of testing calibration method of coolant pump rotational speed monitor system testing calibration device as claimed in claim 9,
It is characterized in that：The r1Send out tooth (11) effective radius of turn fast for cut sensor (13) magnetic line of force in real work, the r2
For the effective radius of turn for sending out tooth (11) fast.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749749A (en) * | 2019-10-23 | 2020-02-04 | 仪凤机电（嘉兴）检测技术服务有限公司 | Installing and positioning device for nuclear-grade rotating speed sensor of main pump of nuclear power plant |
| CN113433451A (en) * | 2021-06-21 | 2021-09-24 | 西蒙电气（中国）有限公司 | Relay zero-crossing switch and calibration method thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2296533Y (en) * | 1997-01-31 | 1998-11-04 | 李聪 | Water pump rotating speed measuring and reverse protector |
| KR200345077Y1 (en) * | 2003-12-27 | 2004-03-18 | 한국중부발전(주) | Speed Pick-Up Sensor Simulator for Controlling Driving Turbine of Boiler Water Supplying Pump |
| CN102967720A (en) * | 2012-11-08 | 2013-03-13 | 上海电气液压气动有限公司 | Hydraulic pump rotational speed measurement device |
| CN103175993A (en) * | 2011-12-20 | 2013-06-26 | 曾卫东 | Revolution speed transducer testing platform |
| CN203324301U (en) * | 2013-05-24 | 2013-12-04 | 湖北汽车工业学院 | Magneto-electric rotating speed sensor measurement and control apparatus |
| CN204462186U (en) * | 2014-05-12 | 2015-07-08 | 山东省特种设备检验研究院潍坊分院 | The calibrating installation of elevator governor tester |
| CN104849487A (en) * | 2014-12-19 | 2015-08-19 | 北汽福田汽车股份有限公司 | To-be-detected shaft rotation speed detecting device and system |
| CN204832244U (en) * | 2015-08-05 | 2015-12-02 | 河北太行计量检测有限公司 | Correlation type speedtransmitter calibrating device |
| CN205484412U (en) * | 2016-03-25 | 2016-08-17 | 安阳化学工业集团有限责任公司 | Rotational speed calibration equipment with variable frequency speed governing(VFSG) function |
| CN205941602U (en) * | 2016-08-30 | 2017-02-08 | 宁波赛宝信息产业技术研究院有限公司 | Hall speedtransmitter calibrating installation |
| CN107228687A (en) * | 2017-06-01 | 2017-10-03 | 广州汽车集团股份有限公司 | The integrated detecting device and detection method of sensor |
| CN108107230A (en) * | 2017-12-01 | 2018-06-01 | 中广核工程有限公司 | A kind of nuclear power station main pump speed measuring system and method |
| CN108412559A (en) * | 2018-03-07 | 2018-08-17 | 西安热工研究院有限公司 | A kind of calibration method of steam turbine monitoring system |
| CN208636340U (en) * | 2018-08-31 | 2019-03-22 | 仪凤机电（嘉兴）检测技术服务有限公司 | A kind of coolant pump rotational speed monitor system testing calibration device |
-
2018
- 2018-08-31 CN CN201811007493.6A patent/CN108761136A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2296533Y (en) * | 1997-01-31 | 1998-11-04 | 李聪 | Water pump rotating speed measuring and reverse protector |
| KR200345077Y1 (en) * | 2003-12-27 | 2004-03-18 | 한국중부발전(주) | Speed Pick-Up Sensor Simulator for Controlling Driving Turbine of Boiler Water Supplying Pump |
| CN103175993A (en) * | 2011-12-20 | 2013-06-26 | 曾卫东 | Revolution speed transducer testing platform |
| CN102967720A (en) * | 2012-11-08 | 2013-03-13 | 上海电气液压气动有限公司 | Hydraulic pump rotational speed measurement device |
| CN203324301U (en) * | 2013-05-24 | 2013-12-04 | 湖北汽车工业学院 | Magneto-electric rotating speed sensor measurement and control apparatus |
| CN204462186U (en) * | 2014-05-12 | 2015-07-08 | 山东省特种设备检验研究院潍坊分院 | The calibrating installation of elevator governor tester |
| CN104849487A (en) * | 2014-12-19 | 2015-08-19 | 北汽福田汽车股份有限公司 | To-be-detected shaft rotation speed detecting device and system |
| CN204832244U (en) * | 2015-08-05 | 2015-12-02 | 河北太行计量检测有限公司 | Correlation type speedtransmitter calibrating device |
| CN205484412U (en) * | 2016-03-25 | 2016-08-17 | 安阳化学工业集团有限责任公司 | Rotational speed calibration equipment with variable frequency speed governing(VFSG) function |
| CN205941602U (en) * | 2016-08-30 | 2017-02-08 | 宁波赛宝信息产业技术研究院有限公司 | Hall speedtransmitter calibrating installation |
| CN107228687A (en) * | 2017-06-01 | 2017-10-03 | 广州汽车集团股份有限公司 | The integrated detecting device and detection method of sensor |
| CN108107230A (en) * | 2017-12-01 | 2018-06-01 | 中广核工程有限公司 | A kind of nuclear power station main pump speed measuring system and method |
| CN108412559A (en) * | 2018-03-07 | 2018-08-17 | 西安热工研究院有限公司 | A kind of calibration method of steam turbine monitoring system |
| CN208636340U (en) * | 2018-08-31 | 2019-03-22 | 仪凤机电（嘉兴）检测技术服务有限公司 | A kind of coolant pump rotational speed monitor system testing calibration device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749749A (en) * | 2019-10-23 | 2020-02-04 | 仪凤机电（嘉兴）检测技术服务有限公司 | Installing and positioning device for nuclear-grade rotating speed sensor of main pump of nuclear power plant |
| CN113433451A (en) * | 2021-06-21 | 2021-09-24 | 西蒙电气（中国）有限公司 | Relay zero-crossing switch and calibration method thereof |
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