CN203664161U - Electric impact test bed - Google Patents
Electric impact test bed Download PDFInfo
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- CN203664161U CN203664161U CN201320739799.7U CN201320739799U CN203664161U CN 203664161 U CN203664161 U CN 203664161U CN 201320739799 U CN201320739799 U CN 201320739799U CN 203664161 U CN203664161 U CN 203664161U
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Abstract
The utility model relates to the technical field of impact tests. An electric impact test bed comprises an impact generator and an outer box. The impact generator comprises an anvil part, a guiding cylinder, an impact part, a first coil, an outer cylinder, a second coil, a magnetic core and a base. The magnetic core is arranged on the base, the second coil and the first coil are arranged on the magnetic core in a sleeved mode, the outer cylinder is arranged on the base, the magnetic core, the second coil and the first coil are sleeved with the outer cylinder, the impact part is arranged at the upper end of the first coil and protrudes out of the upper end of the outer cylinder, the guiding cylinder is arranged at the upper end of the outer cylinder, the impact part is sleeved with the guiding cylinder, and the anvil part is arranged inside the guiding cylinder and located above the impact part. The electric impact test bed further comprises a control circuit used for respectively controlling the current size of the first coil and the current size of the second coil and enabling the magnetic field of the powered-on first coil to be opposite to the magnetic field of the powered-on second coil. The electric impact test bed has the advantages of being simple in structure, easy to control, high in acceleration value, adjustable in acceleration value and high in repeatability.
Description
Technical field
The utility model relates to impact test technical field, is specifically related to the electric impacting testing stand for the sensitivity test of vibrating sensor especially acceleration transducer.
Background technology
At present generally adopt air mallet formula surge generator for the shock table of the sensitivity test of vibrating sensor, acceleration transducer in the industry, and be to adopt external control cabinet; Also there is in addition the permanent magnet electromagnetic formula surge generator that adopts spring return function art designs.
The shock table that wherein adopts air mallet formula surge generator, its principal disadvantage is poor repeatability, accekeration is very uncertain; Next is that using area is restricted, must can provide compressed-air actuated place to use; Moreover be control system complexity, cost is high.
And permanent magnet electromagnetic formula surge generator, its magnetic field intensity is fixed, unadjustable, therefore impact acceleration value is unadjustable, and also can there is consumption to work capacity in return spring itself.
Utility model content
For this reason, the electric impacting testing stand that the utility model is necessary to provide simple in structure, easy control, high acceleration value, accekeration is adjustable, repeatability is high.
The utility model is by the following technical solutions:
Electric impacting testing stand, comprises surge generator, the outer case of fixing described surge generator;
Described surge generator comprises anvil, guide cylinder, impact portion, the first coil, urceolus, the second coil, magnetic core and the base of fixing vibrating sensor or acceleration transducer;
Described magnetic core is arranged on described base,
Described the second coil is sheathed on described magnetic core,
Described First Line snare is located at described magnetic core,
In described urceolus is arranged at and is located on described base and by described magnetic core, described the second coil and First Line snare,
Described impact portion is arranged at the upper end of described the first coil and protrudes from the upper end of described urceolus,
In described guide cylinder is arranged at described urceolus upper end and described impact portion is sheathed on,
Described anvil is arranged in described guide cylinder and is positioned at described impact portion top;
Described electric impacting testing stand also comprise control respectively described the first coil and described the second coil electricity size and make described the first coil and described the second coil electricity after the control circuit of FR.
Further, described electric impacting testing stand also comprises the tubular supporting seat that is sheathed on described magnetic core lower end;
Described the second coil is sheathed on described supporting seat periphery, and described the first coil is arranged at the upper surface of described supporting seat.
Further, the lower end of described urceolus is closely connected with the lower end of described magnetic core, between the upper end of described urceolus and the upper end of described magnetic core, forms gap.
Further, described anvil comprises anvil body and is arranged at the anvil head on described anvil body;
The upper end cover of described guide cylinder is through hole end cap, in described guide cylinder, bayonet socket is set, the common activity space that forms of described upper end cover and described bayonet socket;
Described anvil body is positioned at described activity space, and described anvil head is outstanding from the through hole of described upper end cover;
Described anvil head is provided with the screwed hole of fixing vibrating sensor or acceleration transducer.
Further, described control circuit comprises current rectifying and wave filtering circuit, the first switching power circuit, accumulator, the first switch, voltage detecting circuit, voltage setting circuit, second switch, second switch power circuit and controller;
The input of described current rectifying and wave filtering circuit and the input of described second switch all connect civil power,
The input of accumulator described in the output of current rectifying and wave filtering circuit described in the input termination of described the first switching power circuit, output termination, the first coil described in the output of accumulator, output termination described in the input termination of described the first switch,
Accumulator test side described in the input termination of described voltage detecting circuit,
The first input end of described controller connects voltage setting circuit, first described in the output, the second input termination of described voltage detecting circuit controls the controlled end, second of the first switching power circuit described in termination and controls the controlled end of second switch described in termination,
The second coil described in the output of second switch, output termination described in the input termination of described second switch power circuit.
Further, described current rectifying and wave filtering circuit, described the first switching power circuit, described voltage detecting circuit, described second switch, described second switch power circuit and described controller are all arranged on a circuit board;
Described circuit board is arranged in described outer case.
Further, described accumulator comprises that one or more is arranged at the storage capacitor in described outer case.
Further, described the first switch is the trigger being arranged in described outer case.
Further, described voltage setting circuit comprises the potentiometer being arranged in described outer case.
Further, described control circuit also comprises and is arranged in described outer case, shows the magnitude of voltage of described accumulator and shows the display list of the magnitude of voltage that described voltage setting circuit sets, and described display list connects the display end of described controller.
That the electric impacting testing stand that the utility model provides has is simple in structure, easily control, and possess high acceleration value, accekeration is adjustable, repeatability is high advantage.
Accompanying drawing explanation
The perspective view of the electric impacting testing stand that Fig. 1 provides for the utility model embodiment;
The decomposition texture schematic diagram of the surge generator of the electric impacting testing stand that Fig. 2 provides for the utility model embodiment;
Cutaway view before the surge generator of the electric impacting testing stand that Fig. 3 provides for the utility model embodiment impacts;
Cutaway view after the surge generator of the electric impacting testing stand that Fig. 4 provides for the utility model embodiment impacts;
The schematic block circuit diagram of the electric impacting testing stand that Fig. 5 provides for the utility model embodiment.
The specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Electric impacting testing stand, comprises surge generator 1, the outer case 2 of fixing described surge generator 1;
Described surge generator 1 comprises anvil 11, guide cylinder 12, impact portion 13, the first coil 14, urceolus 15, the second coil 17, magnetic core 18 and the base 19 of fixing vibrating sensor or acceleration transducer;
Described magnetic core 18 is arranged on described base 19, described the second coil 17 is sheathed on described magnetic core 18, described the first coil 14 is sheathed on described magnetic core 18, described urceolus 15 is arranged on described base 19 and by described magnetic core 18, described the second coil 17, and first in coil 14 is sheathed on, described impact portion 13 is arranged at the upper end of described the first coil 14 and protrudes from the upper end of described urceolus 15, in described guide cylinder 12 is arranged at described urceolus 15 upper ends and described impact portion 13 is sheathed on, described anvil 11 is arranged in described guide cylinder 12 and is positioned at described impact portion 13 tops,
Described electric impacting testing stand also comprise control respectively described the first coil 14 and described the second coil 17 energising size and make described the first coil 14 and described the second coil 17 energisings after the control circuit 3 of FR.
This electric impacting testing stand, in the time of concrete use, is first connected vibrating sensor or acceleration transducer and is fixed on anvil 11 with external read device, this external read device can be computer; Then control circuit 3 is first that the second coil 17 is powered, and in the time that the voltage of the second coil 17 reaches setting voltage, control circuit 3 is the first coil 14 moment power supply again; Because the voltage of the second coil 17 reaches setting voltage, the magnetic field that the second coil 17 produces reaches setting intensity, and control circuit 3 was first 14 whens power supply moments of coil again, the first coil 14 will produce the magnetic direction powerful magnetic field contrary with the magnetic direction of the second coil 17, now the first coil 14 will be subject to very large repulsion and move upward, thereby drive impact portion 13 to move upward, under the guiding of guide cylinder 12, impact portion 13 is clashed into anvil 11; Anvil 11 is also that vibrating sensor or acceleration transducer produce very large acceleration under the shock of impact portion 13.Can read vibrating sensor or acceleration transducer accekeration by this external read device being connected with vibrating sensor or acceleration transducer.
In this electric impacting testing stand, thereby impact by moving to produce after the repulsion producing each other after the first coil 14 and the second coil 17 energisings, it is simple in structure;
Secondly, control respectively the energising size of the first coil 14 and described the second coil 17 by control circuit 3, thereby can control the magnetic field intensity of First Line circle 14 and the second coil 17 and then control the repulsion size between the first coil 14 and the second coil 17, and then can to control First Line circle 14 be also that impact portion 13 is impacted the acceleration that anvil 11 produces, therefore easily control, and possess high acceleration value, accekeration is adjustable, the high advantage of repeatability.
In the present embodiment, described electric impacting testing stand also comprises the tubular supporting seat 16 that is sheathed on described magnetic core 18 lower ends;
Described the second coil 17 is sheathed on described supporting seat 16 peripheries, and described the first coil 14 is arranged at the upper surface of described supporting seat 16.
The lower surface of the first coil 14 can be arranged to the upper surface of the second coil 17 by this supporting seat 16, can make the repulsion maximum between the first coil 14 and the second coil 17.
In the present embodiment, the lower end of described urceolus 15 is closely connected with the lower end of described magnetic core 18, between the upper end of described urceolus 15 and the upper end of described magnetic core 18, forms gap 4.
In this structure, urceolus 15 forms closed magnetic circuit with magnetic core 18, and only disconnects at 4 places, gap, in the time that the second coil 17 is switched on, will form uniform magnetic field, simultaneously the magnetic field intensity maximum at these 4 places, gap at 4 places, gap.Therefore, when the first coil 14 is switched on, by and the second coil 17 between produce maximum repulsion, form maximum acceleration.
In the present embodiment, described anvil 11 comprises anvil body 111 and is arranged at the anvil head 112 on described anvil body 111;
The upper end cover 121 of described guide cylinder 12 is through hole end cap, the interior bayonet socket 122 that arranges of described guide cylinder 12, described upper end cover 121 and the common activity space 123 that forms of described bayonet socket 122;
Described anvil body 111 is positioned at described activity space 123, and described anvil head 112 is outstanding from the through hole of described upper end cover 121;
Described anvil head 112 is provided with the screwed hole 1121 of fixing vibrating sensor or acceleration transducer.
Anvil head 112 is outstanding from the through hole of upper end cover 121, can conveniently connect vibrating sensor or acceleration transducer; By screwed hole 1121, can firmly connect vibrating sensor or acceleration transducer by screw thread.
In the present embodiment, described control circuit 3 comprises current rectifying and wave filtering circuit 31, the first switching power circuit 32, accumulator 33, the first switch 34, voltage detecting circuit 35, voltage setting circuit 36, second switch 37, second switch power circuit 38 and controller 38;
The input of the input of described current rectifying and wave filtering circuit 31 and described second switch 37 all connects civil power 5,
The input of accumulator 33 described in the output of current rectifying and wave filtering circuit 31, output termination described in the input termination of described the first switching power circuit 32, the first coil 14 described in the output of accumulator 33, output termination described in the input termination of described the first switch 34
The first input end of described controller 39 connects voltage setting circuit 36, first described in the output, the second input termination of described voltage detecting circuit 35 controls the controlled end, second of the first switching power circuit 32 described in termination and controls the controlled end of second switch 37 described in termination
The second coil 17 described in the output of second switch, output termination described in the input termination of described second switch power circuit 38.
The concrete test method of electric impacting testing stand under control circuit 3 can be divided into three steps:
One, civil power 5 charges for accumulator 33 by current rectifying and wave filtering circuit 31, the first switching power circuit 32; Set the voltage of accumulator 33 and will set value input control device 39 by voltage setting circuit 36; Voltage detecting circuit 35 detects the magnitude of voltage of accumulator 33 and feeds back to the setting value comparison of controller 39 and voltage setting circuit 36; Controller 39 makes the magnitude of voltage of accumulator 33 meet the setting value of voltage setting circuit 36 according to situation control first switching power circuit 32 of above-mentioned comparison for accumulator 33 charges.
Two, second switch 37 is connected, and now civil power 5 switches on the second coil 17 by second switch power circuit 38, and now the second coil 17 produces magnetic field.
Three, the first switch 34 is connected, now accumulator 33 is that the instantaneous power supply of the first coil 14 is by the first coil 14 instantaneous discharges, now the first coil 14 produces the powerful magnetic field reverse with the second coil 17, and now the first coil 14 will be subject to very large repulsion and move upward.
The order of the above-mentioned first step and second step does not limit, and also can carry out simultaneously; In addition,, because coil exists inductance, therefore need second switch 37 in second step to connect and postpone and carry out again the 3rd step after certain hour.
In the present embodiment, described current rectifying and wave filtering circuit 31, described the first switching power circuit 32, described voltage detecting circuit 35, described second switch 37, described second switch power circuit 38 and described controller 38 are all arranged on a circuit board 6; Described circuit board 6 is arranged in described outer case 2.
In the present embodiment, described accumulator 33 comprises that one or more is arranged at the storage capacitor 331 in described outer case 2.
Set the capacitance of storage capacitor 331 according to tested different accekeration, need to test high acceleration value time, the capacitance of storage capacitor 331 needs larger.
In the present embodiment, described the first switch 34 is for being arranged at the trigger 341 in described outer case 2.
The first switch 34 can adopt manually-operated trigger 341, the electronic switch that also can adopt controller 39 to control.
In the present embodiment, described voltage setting circuit 36 comprises the potentiometer 361 being arranged in described outer case 2.
In the present embodiment, described control circuit 3 also comprises and is arranged in described outer case 2, shows the magnitude of voltage of described accumulator 33 and shows the display list 7 of the magnitude of voltage that described voltage setting circuit 36 sets, and described display list 7 connects the display end of described controller 39.
By this display list 7, can facilitate testing crew after single test, to check whether the magnitude of voltage of accumulator 33 again charges and reach setting voltage value.
Above-mentioned for the utility model illustrates, be not limited to the utility model.
Claims (10)
1. electric impacting testing stand, is characterized in that, comprises the outer case (2) of surge generator (1), fixing described surge generator (1);
Described surge generator (1) comprises anvil (11), guide cylinder (12), impact portion (13), the first coil (14), urceolus (15), the second coil (17), magnetic core (18) and the base (19) of fixing vibrating sensor or acceleration transducer;
It is upper that described magnetic core (18) is arranged at described base (19),
Described the second coil (17) is sheathed on described magnetic core (18),
Described the first coil (14) is sheathed on described magnetic core (18),
Described urceolus (15) is arranged on described base (19) and in described magnetic core (18), described the second coil (17) and the first coil (14) are sheathed on,
Described impact portion (13) is arranged at the upper end of described the first coil (14) and protrudes from the upper end of described urceolus (15),
In described guide cylinder (12) is arranged at described urceolus (15) upper end and described impact portion (13) is sheathed on,
Described anvil (11) is arranged in described guide cylinder (12) and is positioned at described impact portion (13) top;
Described electric impacting testing stand also comprise control respectively described the first coil (14) and described the second coil (17) energising size and make described the first coil (14) and described the second coil (17) energising after the control circuit (3) of FR.
2. electric impacting testing stand as claimed in claim 1, is characterized in that, described electric impacting testing stand also comprises the tubular supporting seat (16) that is sheathed on described magnetic core (18) lower end;
Described the second coil (17) is sheathed on described supporting seat (16) periphery, and described the first coil (14) is arranged at the upper surface of described supporting seat (16).
3. electric impacting testing stand as claimed in claim 1, is characterized in that, the lower end of described urceolus (15) is connected with the lower end of described magnetic core (18), between the upper end of described urceolus (15) and the upper end of described magnetic core (18), forms gap (4).
4. electric impacting testing stand as claimed in claim 1, is characterized in that, described anvil (11) comprises anvil body (111) and is arranged at the anvil head (112) on described anvil body (111);
The upper end cover (121) of described guide cylinder (12) is through hole end cap, and bayonet socket (122) is set in described guide cylinder (12), and described upper end cover (121) forms an activity space (123) jointly with described bayonet socket (122);
Described anvil body (111) is positioned at described activity space (123), and described anvil head (112) is outstanding from the through hole of described upper end cover (121);
Described anvil head (112) is provided with the screwed hole (1121) of fixing vibrating sensor or acceleration transducer.
5. electric impacting testing stand as claimed in claim 1, it is characterized in that, described control circuit (3) comprises current rectifying and wave filtering circuit (31), the first switching power circuit (32), accumulator (33), the first switch (34), voltage detecting circuit (35), voltage setting circuit (36), second switch (37), second switch power circuit (38) and controller (38);
The input of the input of described current rectifying and wave filtering circuit (31) and described second switch (37) all connects civil power (5),
The input of accumulator (33) described in the output of current rectifying and wave filtering circuit (31), output termination described in the input termination of described the first switching power circuit (32), the first coil (14) described in the output of accumulator (33), output termination described in the input termination of described the first switch (34)
Accumulator (33) test side described in the input termination of described voltage detecting circuit (35),
The first input end of described controller (39) connects voltage setting circuit (36), first described in the output, the second input termination of described voltage detecting circuit (35) controls the controlled end, second of the first switching power circuit (32) described in termination and controls the controlled end of second switch (37) described in termination
The second coil (17) described in the output of second switch, output termination described in the input termination of described second switch power circuit (38).
6. electric impacting testing stand as claimed in claim 5, it is characterized in that, described current rectifying and wave filtering circuit (31), described the first switching power circuit (32), described voltage detecting circuit (35), described second switch (37), described second switch power circuit (38) and described controller (38) are all arranged on a circuit board (6);
Described circuit board (6) is arranged in described outer case (2).
7. electric impacting testing stand as claimed in claim 5, is characterized in that, described accumulator (33) comprises that one or more is arranged at the storage capacitor (331) in described outer case (2).
8. electric impacting testing stand as claimed in claim 5, is characterized in that, described the first switch (34) is for being arranged at the trigger (341) in described outer case (2).
9. electric impacting testing stand as claimed in claim 5, is characterized in that, described voltage setting circuit (36) comprises the potentiometer (361) being arranged in described outer case (2).
10. electric impacting testing stand as claimed in claim 5, it is characterized in that, described control circuit (3) also comprise be arranged at described outer case (2) upper, show the magnitude of voltage of described accumulator (33) and show the display list (7) of the magnitude of voltage that described voltage setting circuit (36) sets, described display list (7) connects the display end of described controller (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739799.7U CN203664161U (en) | 2013-11-20 | 2013-11-20 | Electric impact test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320739799.7U CN203664161U (en) | 2013-11-20 | 2013-11-20 | Electric impact test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203664161U true CN203664161U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320739799.7U Expired - Fee Related CN203664161U (en) | 2013-11-20 | 2013-11-20 | Electric impact test bed |
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| CN (1) | CN203664161U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203799A (en) * | 2015-09-11 | 2015-12-30 | 中国电子科技集团公司第四十九研究所 | Acceleration three-axis thermal-sensitivity testing device |
| CN108593238A (en) * | 2018-05-08 | 2018-09-28 | 中北大学 | Long pulsewidth amplitude Pneumatic immpacting and weather synthetic chemistry laboratory experimental rig |
| CN108982044A (en) * | 2018-06-12 | 2018-12-11 | 西安工程大学 | A kind of exciting bank for electric power pylon modal idenlification |
| CN110208577A (en) * | 2019-07-12 | 2019-09-06 | 北京航天计量测试技术研究所 | A kind of structure excited by impact and calibrating installation of shock accelerometer calibrating installation |
-
2013
- 2013-11-20 CN CN201320739799.7U patent/CN203664161U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203799A (en) * | 2015-09-11 | 2015-12-30 | 中国电子科技集团公司第四十九研究所 | Acceleration three-axis thermal-sensitivity testing device |
| CN105203799B (en) * | 2015-09-11 | 2018-07-06 | 中国电子科技集团公司第四十九研究所 | A kind of three axis heat sensitivity test device of acceleration |
| CN108593238A (en) * | 2018-05-08 | 2018-09-28 | 中北大学 | Long pulsewidth amplitude Pneumatic immpacting and weather synthetic chemistry laboratory experimental rig |
| CN108982044A (en) * | 2018-06-12 | 2018-12-11 | 西安工程大学 | A kind of exciting bank for electric power pylon modal idenlification |
| CN110208577A (en) * | 2019-07-12 | 2019-09-06 | 北京航天计量测试技术研究所 | A kind of structure excited by impact and calibrating installation of shock accelerometer calibrating installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140625 Termination date: 20211120 |