CN112595888A - Numerical control machine tool energy consumption data testing and analyzing device and method - Google Patents
Numerical control machine tool energy consumption data testing and analyzing device and method Download PDFInfo
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- CN112595888A CN112595888A CN202011488747.8A CN202011488747A CN112595888A CN 112595888 A CN112595888 A CN 112595888A CN 202011488747 A CN202011488747 A CN 202011488747A CN 112595888 A CN112595888 A CN 112595888A
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000005265 energy consumption Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000005389 magnetism Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
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Abstract
The invention discloses a device and a method for testing and analyzing energy consumption data of a numerical control machine tool, belonging to the technical field of machine tool testing. This digit control machine tool energy consumption data test analytical equipment and method, through setting up wiring board, stabiliser, clamp plate, first spring, second spring, first magnetic path, second magnetic path, baffle and cardboard, direct control is direct to insert the lathe plug on the wiring board surface, then the cardboard fixes a position the centre gripping to the plug cord, and the stabiliser can guarantee that the lathe is stable accurate with voltage in this device, and this device removes the probably absorbing while of process and carries out the direct positioning to hall current sensor and hall voltage sensor simultaneously, makes the practicality and the measurement accuracy nature of this device more ideal.
Description
Technical Field
The invention belongs to the technical field of machine tool testing, and particularly relates to a device and a method for testing and analyzing energy consumption data of a numerical control machine tool.
Background
The numerical control machine tool is used as the basis of all machining and manufacturing, a large amount of electric energy is consumed in the machining process, and the accurate calculation of the machine tool energy consumption in the machining process has important significance and is the first step of realizing low-carbon manufacturing.
But supply with the voltage and the electric current of lathe power among the current lathe testing arrangement and can not guarantee accurate stability, probably influence measuring result, testing arrangement is not convenient for remove when using simultaneously, and partial test sensor's joint position rocks at will easily, rocks for a long time and probably leads to the connecting wire serious wear to appear and even fracture, and testing arrangement is not convenient for fix a position simultaneously, probably influences the stability of working process.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the invention provides a device and a method for testing and analyzing energy consumption data of a numerical control machine tool, and solves the problems that the voltage and the current supplied to a power supply of the machine tool in the conventional machine tool testing device cannot ensure the accuracy and the stability, the measured data can be influenced, the testing device is inconvenient to move when in use, the joint positions of part of testing sensors are easy to shake randomly, the connecting line can be seriously worn or even broken due to long-time shaking, and the testing device is inconvenient to position and can influence the stability of the working process.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a digit control machine tool energy consumption data test analytical equipment, includes hall current sensor, hall voltage sensor and tester, hall current sensor and hall voltage sensor's quantity is three, the left surface of tester is provided with three voltage sensor interface and three current sensor interface, hall current sensor sets up on current sensor interface surface, hall voltage sensor sets up on voltage sensor interface surface, hall current sensor and hall voltage sensor's the back and the positive overlap joint of bottom plate.
The front of bottom plate and the back fixed connection of tester, the front of tester is provided with the computer, the tester is connected with the display instrument, the display instrument sets up in the front of bottom plate, the front of bottom plate and the back fixed connection of stabiliser, the stabiliser passes through connecting wire and two wiring board electric connection, the wiring board sets up in the front of bottom plate.
The front surface of the bottom plate is provided with a protective frame, the back surface of the bottom plate is provided with two elastic components, one end of the front surface of each elastic component is fixedly connected with the back surface of the same pressing plate, the back surface of the bottom plate is fixedly connected with the front surfaces of the two second springs, one end of the back surfaces of the two second springs is fixedly connected with the front surface of the same supporting plate, the back of the supporting plate is provided with four moving wheels, the upper surface of the protective frame is provided with a first connecting hole, a first groove is arranged on the front surface of the inner wall of the first connecting hole, a first magnetic block is arranged on the inner wall of the first groove, the back surface of the first magnetic block is fixedly connected with the front surface of the baffle plate, the back surface of the baffle plate is lapped with the back surface of the inner wall of the first connecting hole, the back of the baffle is provided with a second connecting hole, the front of the inner wall of the second connecting hole is provided with a second groove, and the inner wall of the second groove is provided with a clamping plate.
As a further scheme of the invention: the elastic component comprises a connecting rod, the front end of the connecting rod is fixedly connected with the back of the pressing plate, the back end of the connecting rod is fixedly connected with the front of the first magnetic plate, a connecting sleeve is arranged on the outer surface of the connecting rod, the connecting sleeve is connected to the front of the bottom plate in a clamped mode, a first spring is arranged on the outer surface of the connecting rod, the front end of the first spring is fixedly connected with the back of the connecting sleeve, and the back end of the first spring is fixedly connected with the front of the first magnetic plate.
As a further scheme of the invention: the front of backup pad is provided with the second magnetic sheet, the position of second magnetic sheet corresponds with the position of first magnetic sheet, second magnetic sheet is the same with first magnetic sheet magnetism.
As a further scheme of the invention: the back of the pressing plate is provided with six rubber pads, and the backs of the six rubber pads are respectively lapped with the front faces of the three Hall voltage sensors and the front faces of the three Hall current sensors.
As a further scheme of the invention: the lower surface of the protective frame is provided with a sealing door, the front surface of the supporting plate is fixedly connected with the back surface of the rubber ring, the front surface of the rubber ring is fixedly connected with the back surface of the bottom plate, and the second spring is located inside the rubber ring.
As a further scheme of the invention: the back of backup pad is provided with two support frames, the front of support frame is provided with bolt assembly, the support frame sets up to L shape, the position of wiring board corresponds with the position of first connecting hole.
As a further scheme of the invention: the front of the inner wall of the first groove is provided with a second magnetic block, the first magnetic block and the second magnetic block are the same in magnetism, the front of the inner wall of the second groove is provided with a third spring, and the back of the third spring is fixedly connected with the front of the clamping plate.
A method for testing and analyzing energy consumption data of a numerical control machine tool comprises the following steps:
step one, obtaining current and voltage signals of a machine tool during working according to a Hall current sensor and a Hall voltage sensor, calculating instantaneous power of the machine tool according to a formula P which is UI, wherein U is instantaneous voltage of the machine tool during working, and I is instantaneous current of the machine tool during working;
step two, according to the formula
The average power of the machine tool can be calculated, n is one time, n +1 is another time, PtIs the average power;
step three, according to the average power of the machine tool in the step two, the energy consumption of the machine tool is as follows:
according to the formula E ═ PtN, the machine tool energy consumption, P, can be calculatedtFor average power, N is the on time.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. the numerical control machine tool energy consumption data testing and analyzing device and the method thereof have the advantages that by arranging the patch board, the voltage stabilizer, the pressing plate, the first spring, the second spring, the first magnetic block, the second magnetic block, the baffle plate and the clamping plate, when the device needs to be transferred, the device is directly pushed to move, at the moment, the second spring can buffer the vibration in the moving process, after the device moves to a specified position, the device is assembled on the surface of a machine tool through the supporting frame and the bolt assembly, meanwhile, the first magnetic plate is close to the second magnetic plate, the pressing plate is separated from the Hall current sensor, the Hall current sensor and the Hall voltage sensor are assembled on the surface of the machine tool, the plug of the machine tool is directly inserted on the surface of the patch board by direct control, then the clamping plate carries out positioning and clamping on the plug wire, the voltage stabilizer in the device can ensure the stability and accuracy of the voltage for the machine tool, and, the practicability and the measurement accuracy of the device are more ideal.
2. According to the device and the method for testing and analyzing the energy consumption data of the numerical control machine tool, by arranging the pressing plate and the rubber pad, when the device is not assembled, the distance between the first magnetic plate and the second magnetic plate is large, the first spring can drive the connecting rod and the pressing plate to be close to the Hall voltage sensor, the pressing plate and the rubber pad are ensured to position the Hall voltage sensor, and the Hall voltage sensor cannot shake randomly in the moving process of the device.
3. According to the device and the method for testing and analyzing the energy consumption data of the numerical control machine tool, due to the fact that the clamping plate, the baffle and the protection frame are arranged, when the plug is inserted into the patch board, the plug wire can be positioned and clamped through the clamping plate and the baffle, the plug and the patch board are stably connected in the machine tool detection process, and the plug wire cannot shake randomly.
Drawings
FIG. 1 is a schematic cross-sectional view of the front view of the present invention;
FIG. 2 is a schematic sectional view of the platen of the present invention;
FIG. 3 is a schematic top view of a partial cross-sectional structure of a protective frame according to the present invention;
FIG. 4 is a left side view of the platen according to the present invention;
FIG. 5 is a schematic diagram of a right-view partial cross-sectional structure of the protection frame of FIG. 3 according to the present invention;
FIG. 6 is a schematic bottom view of the elastomeric component of the present invention;
FIG. 7 is a schematic cross-sectional view of the baffle of FIG. 5 in front view;
in the figure: 1 hall current sensor, 2 hall voltage sensor, 3 voltage sensor interface, 4 current sensor interface, 5 tester, 6 computer, 7 display instrument, 8 stabiliser, 9 connecting wires, 10 wiring board, 11 protective frame, 12 bottom plate, 13 clamp plate, 14 elastic component, 141 connecting rod, 142 first magnetic plate, 143 adapter sleeve, 144 first spring, 15 support frame, 16 bolt assembly, 17 second spring, 18 backup pad, 19 removal wheel, 20 second magnetic plate, 21 rubber circle, 22 sealing door, 23 rubber pad, 24 first connecting hole, 25 first recess, 26 first magnetic block, 27 second magnetic block, 28 baffle, 29 control lever, 30 second recess, 31 third spring, 32 cardboard, 33 second connecting hole.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 7, the present invention provides a technical solution: the utility model provides a digit control machine tool energy consumption data test analytical equipment, including hall current sensor 1, hall voltage sensor 2 and tester 5, hall current sensor 1 and hall voltage sensor 2's quantity is three, tester 5's left surface is provided with three voltage sensor interface 3 and three current sensor interface 4, hall current sensor 1 sets up on current sensor interface 4 surface, hall voltage sensor 2 sets up on voltage sensor interface 3 surface, hall current sensor 1 and hall voltage sensor 2's the back and the positive overlap joint of bottom plate 12.
The front of bottom plate 12 and tester 5's back fixed connection, tester 5's front is provided with computer 6, tester 5 is connected with display 7, display 7 sets up the front at bottom plate 12, bottom plate 12's front and stabiliser 8's back fixed connection, through setting up stabiliser 8, can go into stably to the voltage, guarantee the used voltage stability of lathe during operation, it is more accurate to guarantee the measurement process to a certain extent, stabiliser 8 passes through connecting wire 9 and two wiring board 10 electric connection, wiring board 10 sets up the front at bottom plate 12.
The front of the base plate 12 is provided with a protective frame 11, the protective frame 11 can shield and protect the voltage stabilizer 8 and the wiring board 10, and can play a role of sound insulation and noise reduction, the back of the base plate 12 is provided with two elastic assemblies 14, one ends of the fronts of the two elastic assemblies 14 are fixedly connected with the back of the same pressing plate 13, the back of the base plate 12 is fixedly connected with the fronts of the two second springs 17, one ends of the backs of the two second springs 17 are fixedly connected with the front of the same supporting plate 18, the back of the supporting plate 18 is provided with four movable wheels 19, the upper surface of the protective frame 11 is provided with a first connecting hole 24, the front of the inner wall of the first connecting hole 24 is provided with a first groove 25, the inner wall of the first groove 25 is provided with a first magnetic block 26, the first magnetic block 26 and the second magnetic block 27 are arranged, the first magnetic block 26 and the second magnetic block 27 have the same magnetism, and, guarantee that baffle 28 can stably shelter from first connecting hole 24, guarantee that cardboard 32 can smoothly contact with the plug cord, the back of first magnetic path 26 and the front fixed connection of baffle 28, the back of baffle 28 and the back overlap joint of first connecting hole 24 inner wall, second connecting hole 33 has been seted up at the back of baffle 28, can shelter from first connecting hole 24 through setting up baffle 28, avoid dust or debris to get into inside protection frame 11, second recess 30 has been seted up in the front of second connecting hole 33 inner wall, second recess 30 inner wall is provided with cardboard 32, through setting up cardboard 32, baffle 28 and protection frame 11, when the plug is inserted in wiring board 10, cardboard 32 and baffle 28 can fix a position the centre gripping to the plug cord, stable connection between machine tool testing process plug and the wiring board 10, and the plug cord can not rock at will.
Specifically, as shown in the figure, the elastic component 14 includes a connecting rod 141, one end of the front surface of the connecting rod 141 is fixedly connected with the back surface of the pressure plate 13, by providing the connecting rod 141 and the connecting sleeve 143, the moving process of the pressing plate 13 and the rubber pad 23 can be ensured to be more accurate and stable, the rubber pad 23 is ensured to be stably contacted with the hall voltage sensor 2, one end of the back surface of the connecting rod 141 is fixedly connected with the front surface of the first magnetic plate 142, the connecting sleeve 143 is arranged on the outer surface of the connecting rod 141, the connecting sleeve 143 is clamped on the front surface of the bottom plate 12, the first spring 144 is arranged on the outer surface of the connecting rod 141, and by arranging the first spring 144, when the first magnetic plate 142 is far away from the second magnetic plate 20, the first spring 144 can automatically control the pressing plate 13 and the rubber pad 23 to contact the hall voltage sensor 2, one end of the front surface of the first spring 144 is fixedly connected with the back surface of the connecting sleeve 143, and one end of the back surface of the first spring 144 is fixedly connected with the front surface of the first magnetic plate 142.
Specifically, as shown in the figure, the front surface of the supporting plate 18 is provided with the second magnetic plate 20, the first magnetic plate 142 and the second magnetic plate 20 are arranged, the magnetism of the first magnetic plate 142 is the same as that of the second magnetic plate 20, when the second magnetic plate 20 is close to the first magnetic plate 142, the connecting rod 141 and the pressing plate 13 are far away from the hall voltage sensor 2 to move, after the device needs to be assembled, the pressing plate 13 can automatically move, the position of the second magnetic plate 20 corresponds to that of the first magnetic plate 142, and the magnetism of the second magnetic plate 20 is the same as that of the first magnetic plate 142.
Specifically, as shown in the figure, the back of clamp plate 13 is provided with six rubber pads 23, through setting up clamp plate 13 and rubber pad 23, when this device is not assembled, the distance is great between first magnetic sheet 142 and the second magnetic sheet 20, first spring 144 can drive connecting rod 141 and clamp plate 13 and be close to hall voltage sensor 2, guarantee clamp plate 13 and rubber pad 23 to hall voltage sensor 2's location, guarantee that hall voltage sensor 2 can not appear in this device moving process and rock at will, the back of six rubber pads 23 respectively with three hall voltage sensor 2 and three hall current sensor 1's positive overlap joint.
Specifically, as shown in the figure, the lower surface of protective frame 11 is provided with sealing door 22, the front of backup pad 18 and the back fixed connection of rubber circle 21, the front of rubber circle 21 and the back fixed connection of bottom plate 12, second spring 17 is located inside rubber circle 21, through setting up rubber circle 21, can shelter from the protection to the gap between backup pad 18 and the bottom plate 12, avoid debris to get into wherein, through setting up second spring 17 and removal wheel 19, it makes things convenient for the removal process of this device to remove wheel 19, second spring 17 can play the buffering guard action to the vibrations of removing the in-process.
Specifically, as shown in the figure, the back of backup pad 18 is provided with two support frames 15, and the front of support frame 15 is provided with bolt assembly 16, and support frame 15 sets up to the L shape, and the position of wiring board 10 is corresponding with the position of first connecting hole 24, through setting up support frame 15 and bolt assembly 16, conveniently assembles this device on the lathe surface, and this device appears rocking in the avoidance work process.
Specifically, as shown in the figure, the front surface of the inner wall of the first groove 25 is provided with the second magnetic block 27, the first magnetic block 26 and the second magnetic block 27 have the same magnetism, the front surface of the inner wall of the second groove 30 is provided with the third spring 31, the back surface of the third spring 31 is fixedly connected with the front surface of the clamping plate 32, and by arranging the third spring 31 and the clamping plate 32, stable contact between the clamping plate 32 and the plug cord is ensured, and stable positioning of the plug cord is ensured.
A method for testing and analyzing energy consumption data of a numerical control machine tool comprises the following steps:
step one, current and voltage signals of a machine tool during working are obtained according to a Hall current sensor 1 and a Hall voltage sensor 2, the instantaneous power of the machine tool is calculated according to a formula P which is UI, U is the instantaneous voltage of the machine tool during working, and I is the instantaneous current of the machine tool during working;
step two, according to the formula
The average power of the machine tool can be calculated, n is one time, n +1 is another time, PtIs the average power;
step three, according to the average power of the machine tool in the step two, the energy consumption of the machine tool is as follows:
according to the formula E ═ PtN, the machine tool energy consumption, P, can be calculatedtFor average power, N is the on time.
The working principle of the invention is as follows:
s1, when the device needs to be used, the device is directly placed on the surface of a machine tool, then the device is pushed to move to a specified position, the bottom plate 12 is pressed backwards at the moment, after the support frame 15 is contacted with the surface of the machine tool, the support frame 15 and the machine tool are assembled through the bolt assembly 16, the support plate 18 and the second magnetic plate 20 move close to the first magnetic plate 142 at the moment, the first magnetic plate 142 and the connecting rod 141 move upwards at the moment, after the pressure plate 13 is separated from the Hall current sensor 1 and the Hall voltage sensor 2, the Hall current sensor 1 and the Hall voltage sensor 2 are clamped at the corresponding positions of the machine tool, and then the control rod 29 is pulled forwards;
s2, after the baffle 28 moves to a proper position, the machine tool plug is inserted into the wiring board 10, the control plug wire corresponds to the position of the clamping board 32, the control rod 29 is loosened, the baffle 28 is driven by magnetic force between the first magnetic block 26 and the second magnetic block 27 to move close to the plug wire, after the clamping board 32 is contacted with the plug wire, the plug wire presses the clamping board 32 and the third spring 31, then the machine tool can be started to perform test analysis, and the test result can be read through the display 7;
s3, after the detection, can directly close the lathe, then keep away from the plug cord through control lever 29 control baffle 28 and cardboard 32 and remove, third spring 31 drives cardboard 32 and removes in second connecting hole 33 simultaneously, after baffle 28 removes to suitable position, directly with the plug extract can, take down Hall voltage sensor 2 and Hall current sensor 1 afterwards and put at corresponding clamp plate 13 position, take off bolt assembly 16 afterwards, second spring 17 jack-up backup pad 18 this moment, second magnetic sheet 20 is kept away from to first magnetic sheet 142 simultaneously, first spring 144 drives clamp plate 13 and rubber pad 23 and the contact of Hall voltage sensor 2 and Hall current sensor 1 simultaneously, then the staff can promote this device and remove.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. The utility model provides a digit control machine tool energy consumption data test analytical equipment, includes hall current sensor (1), hall voltage sensor (2) and tester (5), its characterized in that: the number of the Hall current sensors (1) and the Hall voltage sensors (2) is three, the left side face of the tester (5) is provided with three voltage sensor interfaces (3) and three current sensor interfaces (4), the Hall current sensors (1) are arranged on the surfaces of the current sensor interfaces (4), the Hall voltage sensors (2) are arranged on the surfaces of the voltage sensor interfaces (3), and the back faces of the Hall current sensors (1) and the Hall voltage sensors (2) are overlapped with the front face of the bottom plate (12);
the front surface of the base plate (12) is fixedly connected with the back surface of the tester (5), the front surface of the tester (5) is provided with a computer (6), the tester (5) is connected with a display instrument (7), the display instrument (7) is arranged on the front surface of the base plate (12), the front surface of the base plate (12) is fixedly connected with the back surface of the voltage stabilizer (8), the voltage stabilizer (8) is electrically connected with the two patch boards (10) through a connecting wire (9), and the patch boards (10) are arranged on the front surface of the base plate (12);
the front surface of the bottom plate (12) is provided with a protective frame (11), the back surface of the bottom plate (12) is provided with two elastic components (14), the front end of the two elastic components (14) is fixedly connected with the back surface of the same pressing plate (13), the back surface of the bottom plate (12) is fixedly connected with the front surfaces of two second springs (17), the back end of the two second springs (17) is fixedly connected with the front surface of the same supporting plate (18), the back surface of the supporting plate (18) is provided with four movable wheels (19), the upper surface of the protective frame (11) is provided with a first connecting hole (24), the front surface of the inner wall of the first connecting hole (24) is provided with a first groove (25), the inner wall of the first groove (25) is provided with a first magnetic block (26), the back surface of the first magnetic block (26) is fixedly connected with the front surface of a baffle plate (28), the back of baffle (28) and the back overlap joint of first connecting hole (24) inner wall, second connecting hole (33) have been seted up to the back of baffle (28), second recess (30) have been seted up on the front of second connecting hole (33) inner wall, second recess (30) inner wall is provided with cardboard (32).
2. The numerical control machine tool energy consumption data testing and analyzing device of claim 1, characterized in that: elastic component (14) includes connecting rod (141), the back fixed connection of the positive one end of connecting rod (141) and clamp plate (13), the positive fixed connection of the one end at the back of connecting rod (141) and first magnetic sheet (142), the surface of connecting rod (141) is provided with adapter sleeve (143), adapter sleeve (143) joint is in the front of bottom plate (12), the surface of connecting rod (141) is provided with first spring (144), the positive one end of first spring (144) and the back fixed connection of adapter sleeve (143), the positive one end at the back of first spring (144) and the front fixed connection of first magnetic sheet (142).
3. The numerical control machine tool energy consumption data testing and analyzing device of claim 1, characterized in that: the front surface of the supporting plate (18) is provided with a second magnetic plate (20), the position of the second magnetic plate (20) corresponds to the position of the first magnetic plate (142), and the magnetism of the second magnetic plate (20) is the same as that of the first magnetic plate (142).
4. The numerical control machine tool energy consumption data testing and analyzing device of claim 1, characterized in that: the back of clamp plate (13) is provided with six rubber pads (23), and the back of six rubber pads (23) overlaps with the front of three hall voltage sensor (2) and three hall current sensor (1) respectively.
5. The numerical control machine tool energy consumption data testing and analyzing device of claim 1, characterized in that: the lower surface of protection frame (11) is provided with sealing door (22), the front of backup pad (18) and the back fixed connection of rubber circle (21), the front of rubber circle (21) and the back fixed connection of bottom plate (12), second spring (17) are located inside rubber circle (21).
6. The numerical control machine tool energy consumption data testing and analyzing device of claim 1, characterized in that: the back of backup pad (18) is provided with two support frames (15), the front of support frame (15) is provided with bolt assembly (16), support frame (15) set up to L shape, the position of wiring board (10) corresponds with the position of first connecting hole (24).
7. The numerical control machine tool energy consumption data testing and analyzing device of claim 1, characterized in that: the front side of the inner wall of the first groove (25) is provided with a second magnetic block (27), the first magnetic block (26) and the second magnetic block (27) are the same in magnetism, the front side of the inner wall of the second groove (30) is provided with a third spring (31), and the back side of the third spring (31) is fixedly connected with the front side of the clamping plate (32).
8. The method for testing and analyzing the energy consumption data of the numerical control machine tool as claimed in claim 1, characterized by comprising the following steps:
the method comprises the steps that firstly, current and voltage signals of a machine tool during working are obtained according to a Hall current sensor (1) and a Hall voltage sensor (2), and the instantaneous power of the machine tool is calculated according to a formula P which is UI, U is the instantaneous voltage of the machine tool during working, and I is the instantaneous current of the machine tool during working;
step two, according to the formula
The average power of the machine tool can be calculated, n is one time, n +1 is another time, PtIs the average power;
step three, according to the average power of the machine tool in the step two, the energy consumption of the machine tool is as follows:
according to the formula E ═ PtN, the machine tool energy consumption, P, can be calculatedtIs the average power, NIs the working time.
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