CN207663015U - Low-voltage circuit breaker temperature characteristic experimental rig - Google Patents
Low-voltage circuit breaker temperature characteristic experimental rig Download PDFInfo
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- CN207663015U CN207663015U CN201721492156.1U CN201721492156U CN207663015U CN 207663015 U CN207663015 U CN 207663015U CN 201721492156 U CN201721492156 U CN 201721492156U CN 207663015 U CN207663015 U CN 207663015U
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- circuit breaker
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- temperature characteristic
- voltage circuit
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Abstract
The utility model provides a kind of low-voltage circuit breaker temperature characteristic experimental rig.The low-voltage circuit breaker temperature characteristic experimental rig casing；Man-machine interface, the man-machine interface are set to the surface of the casing；Glass test case, the glass test case are fixed on the top of the casing；Fixed bin, the fixed bin are set to the inside of the glass test case；Clamp system, the clamp system are fixed on the inside of the fixed bin；Testing machine, the testing machine are fixed on the inside of the clamp system；Steady state data collector, the steady state data collector are set to the inside of the casing；Adjuster, the adjuster are set to the inside of the casing；Transient data collection device, the transient data collection device are set to the casing internal.The detection that low-voltage circuit breaker temperature characteristic experimental rig provided by the utility model completes breaker using a machine is tested, efficient while small, at low cost.
Description
Technical field
The utility model is related to circuit-breaker testing technical field more particularly to a kind of low-voltage circuit breaker temperature characteristic experiment dresses
It sets.
Background technology
Low-voltage circuit breaker is the main connecting and disconnecting of the circuit device of low-voltage electrical field of power distribution, can turn on/carry/normal item of disjunction
It is main in order to ensure that its performance is tested with a kind of mechanical switch electric appliance of electric current under defined non-normal condition under part
It to include temperature rise test：In the case where being electrified for a long time, critical piece temperature can increase low-voltage circuit breaker, if electric appliance
The temperature of equipment is more than itself tolerance range, and the material mechanical and physical property of inside composition can change, be easy to draw
Playing electric fault leads to major accident；So in the type approval test project of low voltage switch equipment, temperature rise test be it is a kind of very
Important pilot project；Tripping characteristic is tested：Low-voltage circuit breaker in use, breaker work is caused due to overload etc.
It is more than nominal rated current to make electric current, and leads to breaker itself and conducting wire and load fever are even damaged, in this feelings
Breaker needs correct disjunction under condition, to protect life and property safety.
Existing Wen Shengyu tripping characteristics testing equipment mainly has the problem of following several respects, one breaker Wen Shengyu de-
Button attribute testing is completed by two even multiple devices, and such equipment is heavy, and it is complicated that with high costs, test item repeats wiring；
Secondly hardware-in-the-loop is to be used as test power supply by pressure regulator and low-voltage, high-current generator, test item is used as with circuit and loads,
Under the premise of assuming that the impedance of test item and circuit is steady state value, experiment is adjusted by way of adjusting power supply output manually
The method of electric current.Because the period of temperature rise test is generally all long, also can in test item and circuit impedance under heat condition
Change therewith, while network voltage also has fluctuation, test current can be caused unstable in this way, temperature cannot be met and rise wanting for test
It asks；Thirdly instantaneous trip experiment debugs electric current using prospective current method, leads to test current value bigger error, standard cannot be met
It is required that.Due to needing to debug the current parameters value of a Pass Test requirement, electric current ginseng before access test item by equipment
Number may be far longer than the normal use current value of test item, if test item is directly accessed test loop, due to test item
The defencive function of itself makes the instantaneous disjunction in electric current debugging process of its contact, and the purpose of debugging electric current is not achieved, it is contemplated that
Current method is that copper bar or conducting wire are adjusted test current parameter instead of test item to access circuit, is accessed again after the completion of debugging
Test item carries out formal test, since substitute and test item impedance differ, can cause actually to flow through test item electric current and
The test current parameter of adjusting is completely different, influences the correctness of test result.
Therefore, it is necessary to provide a kind of new low-voltage circuit breaker temperature characteristic experimental rig solution above-mentioned technical problem.
Invention content
The technical issues of the utility model solves be to provide it is a kind of can efficiently solve to realize utilize machine to complete
The detection of breaker is tested, efficient while small, at low cost low-voltage circuit breaker temperature characteristic experimental rig.
In order to solve the above technical problems, low-voltage circuit breaker temperature characteristic experimental rig provided by the utility model, including：Machine
Shell；Man-machine interface, the man-machine interface are set to the surface of the casing；Glass test case, the glass test case are fixed on institute
State the top of casing；Fixed bin, the fixed bin are set to the inside of the glass test case；Clamp system, the clamp system
It is fixed on the inside of the fixed bin；Testing machine, the testing machine are fixed on the inside of the clamp system；Steady state data acquires
Device, the steady state data collector is set to the inside of the casing, and the steady state data collector is electrically connected the people
Machine interface and the testing machine；Adjuster, the adjuster is set to the inside of the casing, and the adjuster is electrically connected institute
State man-machine interface and the testing machine；Transient data collection device, the transient data collection device are set to the casing internal, and institute
It states transient data collection device and is electrically connected the man-machine interface and the testing machine.
Preferably, the steady state data collector includes current sensor, data acquisition module and programmable controller, and
The current sensor connects the testing machine；The current sensor is connected described programmable by the data acquisition module
Controller, and the programmable controller is bi-directionally connected the man-machine interface.
Preferably, the adjuster includes current lifting device and electric voltage regulator, and the current lifting device joint test machine with it is described
Electric voltage regulator；The electric voltage regulator connection is connect by the programmable controller with the man-machine interface.
Preferably, the transient data collection device includes transient current sensor, high efficient data capture card and industrial personal computer, and
The transient current sensor connects the testing machine and the high efficient data capture card；The high efficient data capture card passes through institute
Industrial personal computer is stated to connect with the programmable controller.
Preferably, the clamp system includes spring, connecting rod, clamping plate and outer sleeve, and the outer sleeve be fixed on it is described
The madial wall of fixed bin；The outer sleeve is internally provided with the spring, and one end of the spring connects the connecting rod；It is described
The clamping plate is fixed in one end of connecting rod.
Preferably, the clamp system is equipped with symmetrical two, and the inside of the clamp system extends through conducting wire, leads
Line is connected to the current sensor, the transient current sensor.
Preferably, the current lifting device is placed in the inside of the fixed bin, and the top of the current lifting device is equipped with supporting plate；It is described
The conducting wire of current lifting device connection is connect through the supporting plate with the testing machine.
Preferably, the top of the glass test case is rotatablely connected case lid, and the case lid and the glass test case it
Between rotation angle be 0 ° -135 °.
Preferably, the both sides of the casing are equipped with heat sink, and the heat sink uses wavy shaped configuration.
Compared with the relevant technologies, low-voltage circuit breaker temperature characteristic experimental rig provided by the utility model has and has as follows
Beneficial effect：
The utility model provides a kind of low-voltage circuit breaker temperature characteristic experimental rig, using temperature rise test with when m- electric current
The attribute testing Type Test time is long, and using steady state data acquisition system, the instantaneous trip attribute testing time is shorter, adopts
Checkout facility is carried out with the mode of transient data collection system, is selected not according to the different of test type using identical hardware
Same data collecting system constitutes complete set equipment, realizes that same equipment completes the test work(of a variety of circuit-breaker testing types
Can, it solves and does circuit-breaker testing using multiple devices in the prior art, repeat wiring, volume is big, problem of high cost.
Description of the drawings
Fig. 1 is a kind of structure of preferred embodiment of low-voltage circuit breaker temperature characteristic experimental rig provided by the utility model
Schematic diagram；
Fig. 2 is fixed bin internal structure schematic diagram shown in FIG. 1；
Fig. 3 is steady state data collector shown in FIG. 1, adjuster and transient data collection device attachment structure schematic diagram.
Figure label：1, casing, 11, heat sink, 2, man-machine interface, 3, clamp system, 31, spring, 32, connecting rod, 33, folder
Plate, 34, outer sleeve, 4, testing machine, 5, glass test case, 51, case lid, 6, fixed bin, 7, steady state data collector, 71, electric current
Sensor, 72, data acquisition module, 73, programmable controller, 8, adjuster, 81, current lifting device, 82, electric voltage regulator, 9, wink
State data collector, 91, transient current sensor, 92, high efficient data capture card, 93, industrial personal computer, 9a, supporting plate.
Specific implementation mode
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 tries for low-voltage circuit breaker temperature characteristic provided by the utility model
A kind of structural schematic diagram of preferred embodiment of experiment device, Fig. 2 are fixed bin internal structure schematic diagram shown in FIG. 1, and Fig. 3 is figure
Steady state data collector, adjuster and transient data collection device attachment structure schematic diagram shown in 1.Low-voltage circuit breaker temperature characteristic
Experimental rig includes：Casing 1；Man-machine interface 2, the man-machine interface 2 are set to the surface of the casing 1；Glass test case 5, institute
State the top that glass test case 5 is fixed on the casing 1；Fixed bin 6, the fixed bin 6 are set to the interior of the glass test case 5
Portion；Clamp system 3, the clamp system 3 are fixed on the inside of the fixed bin 6；Testing machine 4, the testing machine 4 are fixed on institute
State the inside of clamp system 3；Steady state data collector 7, the steady state data collector 7 are set to the inside of the casing 1, and
The steady state data collector 7 is electrically connected the man-machine interface 2 and the testing machine 4；Adjuster 8, the adjuster 8 are set to
The inside of the casing 1, and the adjuster 8 is electrically connected the man-machine interface 2 and the testing machine 4；Transient data collection
Device 9, the transient data collection device 9 is set to inside the casing 1, and the transient data collection device 9 is electrically connected the people
Machine interface 2 and the testing machine 4.
As a kind of preferred embodiment of the utility model, the steady state data collector 7 includes current sensor 71, data
Acquisition module 72 and programmable controller 73, and the current sensor 71 connects the testing machine 4；The current sensor 71
Connect the programmable controller 73 by the data acquisition module 72, and the programmable controller 73 be bi-directionally connected it is described
Man-machine interface 2, in order to realize the detection of steady-state current.
As a kind of preferred embodiment of the utility model, the adjuster 8 includes current lifting device 81 and electric voltage regulator 82, and
81 joint test machine 4 of the current lifting device and the electric voltage regulator 82；The connection of the electric voltage regulator 82 passes through described programmable
Controller 73 is connect with the man-machine interface 2, in order to adjust voltage, electric current.
As a kind of preferred embodiment of the utility model, the transient data collection device 9 include transient current sensor 91,
High efficient data capture card 92 and industrial personal computer 93, and the transient current sensor 91 connects the testing machine 4 and the efficient number
According to capture card 92；The high efficient data capture card 92 is connect by the industrial personal computer 93 with the programmable controller 73, in order to
Realize the detection of transient current.
As a kind of preferred embodiment of the utility model, the clamp system 3 includes spring 31, connecting rod 32,33 and of clamping plate
Outer sleeve 34, and the outer sleeve 34 is fixed on the madial wall of the fixed bin 6；The outer sleeve 34 is internally provided with the bullet
Spring 31, and one end of the spring 31 connects the connecting rod 32；The clamping plate 33 is fixed in one end of the connecting rod 32, in order to examination
The breaker tested is detected.
As a kind of preferred embodiment of the utility model, the clamp system 3 is equipped with symmetrical two, and the clamping machine
The inside of structure 3 extends through conducting wire, and conducting wire is connected to the current sensor 71, the transient current sensor 91, in order to logical
It crosses the clamp system 3 breaker of experiment is clamped and is detected.
As a kind of preferred embodiment of the utility model, the current lifting device 81 is placed in the inside of the fixed bin 6, and described
The top of current lifting device 81 is equipped with supporting plate 9a；The conducting wire that the current lifting device 81 connects connects through the supporting plate 9a and the testing machine 4
It connects, in order to realize that the breaker to experiment is held.
As a kind of preferred embodiment of the utility model, the top rotation of the glass test case 5 connects case lid 51, and described
Rotation angle between case lid 51 and the glass test case 5 is 0 ° -135 °, in order to realize that closure is tested.
As a kind of preferred embodiment of the utility model, the both sides of the casing 1 are equipped with heat sink 11, and the heat sink
11 use wavy shaped configuration, in order to improve heat dissipation performance.
Wherein：The current sensor 71 uses BA50-AI, the data acquisition module 72, the high efficient data capture
Card 92 uses DH2000, the transient current sensor 91 to use PEARSON 6285.
The testing machine 4 when in use, is placed in clamping machine described in 6 inner utilization of the fixed bin by the utility model first
Structure 3 is clamped, and is set by the man-machine interface 2 and is shown current parameters value；The programmable controller 73 receives described
The current parameters that man-machine interface 2 is set control the motor inside the electric voltage regulator 82 and carry out forward and reverse；It is described electronic
Pressure regulator 82 is controlled motor forward and reverse by the man-machine interface 2 and makes the boosting of pressure regulator output voltage and decompression；The electricity
The output voltage variation that the boosting of dynamic pressure regulator 82 influences the current lifting device 81 with decompression causes 4 test current of the testing machine to produce
Raw response variation；The current sensor 71 acquires the test current flowed through on the testing machine 4；The data acquisition module 72
Test current is modulated into digital signal and is conveyed to the programmable controller 73；The programmable controller 73 is by actual acquisition
Current data be compared with current setting value, if acquisition actual current value it is bigger than setting electric current value, described in control
Electric voltage regulator 82 be depressured, if acquisition actual current value than setting electric current be worth it is small, will control the electric voltage regulator 82 into
Row boosting, and form the degeneration factor of a set of current regulation；According to identical method according to the transient current sensor 91,
The high-speed data acquisition card 92 and the industrial personal computer 93 acquire transient state information；Therefore temperature rise test is tried with time-current characteristic
It is long to test the Type Test time, using steady state data acquisition system；The instantaneous trip attribute testing time is shorter, using transient state
Data collecting system.
Compared with the relevant technologies, low-voltage circuit breaker temperature characteristic experimental rig provided by the utility model has and has as follows
Beneficial effect：
The utility model provides a kind of low-voltage circuit breaker temperature characteristic experimental rig, using temperature rise test with when m- electric current
The attribute testing Type Test time is long, and using steady state data acquisition system, the instantaneous trip attribute testing time is shorter, adopts
Checkout facility is carried out with the mode of transient data collection system, is selected not according to the different of test type using identical hardware
Same data collecting system constitutes complete set equipment, realizes that same equipment completes the test work(of a variety of circuit-breaker testing types
Can, it solves and does circuit-breaker testing using multiple devices in the prior art, repeat wiring, volume is big, problem of high cost.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are equally included in the patent within the scope of the utility model.
Claims (9)
1. a kind of low-voltage circuit breaker temperature characteristic experimental rig, which is characterized in that including：
Casing；
Man-machine interface, the man-machine interface are set to the surface of the casing；
Glass test case, the glass test case are fixed on the top of the casing；
Fixed bin, the fixed bin are set to the inside of the glass test case；
Clamp system, the clamp system are fixed on the inside of the fixed bin；
Testing machine, the testing machine are fixed on the inside of the clamp system；
Steady state data collector, the steady state data collector is set to the inside of the casing, and the steady state data acquires
Device is electrically connected the man-machine interface and the testing machine；
Adjuster, the adjuster is set to the inside of the casing, and the adjuster is electrically connected the man-machine interface and institute
State testing machine；
Transient data collection device, the transient data collection device are set to the casing internal, and transient data collection device electricity
Property the connection man-machine interface and testing machine.
2. low-voltage circuit breaker temperature characteristic experimental rig according to claim 1, which is characterized in that the steady state data is adopted
Storage includes current sensor, data acquisition module and programmable controller, and the current sensor connects the testing machine；
The current sensor connects the programmable controller by the data acquisition module, and the programmable controller is two-way
Connect the man-machine interface.
3. low-voltage circuit breaker temperature characteristic experimental rig according to claim 2, which is characterized in that the adjuster includes
Current lifting device and electric voltage regulator, and the current lifting device joint test machine and the electric voltage regulator；The electric voltage regulator connection
It is connect with the man-machine interface by the programmable controller.
4. low-voltage circuit breaker temperature characteristic experimental rig according to claim 2, which is characterized in that the transient data is adopted
Storage includes transient current sensor, high efficient data capture card and industrial personal computer, and the transient current sensor connects the examination
Test machine and the high efficient data capture card；The high efficient data capture card is connected by the industrial personal computer and the programmable controller
It connects.
5. low-voltage circuit breaker temperature characteristic experimental rig according to claim 4, which is characterized in that the clamp system packet
Spring, connecting rod, clamping plate and outer sleeve are included, and the outer sleeve is fixed on the madial wall of the fixed bin；The outer sleeve it is interior
Portion is equipped with the spring, and one end of the spring connects the connecting rod；The clamping plate is fixed in one end of the connecting rod.
6. low-voltage circuit breaker temperature characteristic experimental rig according to claim 5, which is characterized in that the clamp system is set
There are symmetrical two, and the inside of the clamp system extends through conducting wire, conducting wire is connected to the current sensor, the wink
State current sensor.
7. low-voltage circuit breaker temperature characteristic experimental rig according to claim 3, which is characterized in that the current lifting device is placed in
The inside of the fixed bin, and the top of the current lifting device is equipped with supporting plate；The conducting wire of the current lifting device connection runs through the supporting plate
It is connect with the testing machine.
8. low-voltage circuit breaker temperature characteristic experimental rig according to claim 1, which is characterized in that the glass test case
Top be rotatablely connected case lid, and the rotation angle between the case lid and the glass test case be 0 ° -135 °.
9. low-voltage circuit breaker temperature characteristic experimental rig according to claim 1, which is characterized in that the both sides of the casing
Equipped with heat sink, and the heat sink uses wavy shaped configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492156.1U CN207663015U (en) | 2017-11-10 | 2017-11-10 | Low-voltage circuit breaker temperature characteristic experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492156.1U CN207663015U (en) | 2017-11-10 | 2017-11-10 | Low-voltage circuit breaker temperature characteristic experimental rig |
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| Publication Number | Publication Date |
|---|---|
| CN207663015U true CN207663015U (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721492156.1U Active CN207663015U (en) | 2017-11-10 | 2017-11-10 | Low-voltage circuit breaker temperature characteristic experimental rig |
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| CN (1) | CN207663015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748335A (en) * | 2020-12-29 | 2021-05-04 | 南京昊拓电子科技有限公司 | Big data-based circuit breaker detection device |
-
2017
- 2017-11-10 CN CN201721492156.1U patent/CN207663015U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748335A (en) * | 2020-12-29 | 2021-05-04 | 南京昊拓电子科技有限公司 | Big data-based circuit breaker detection device |
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