CN106291398B - A kind of ageing rack for providing Heng Yuan for secondary power supply aging test - Google Patents
A kind of ageing rack for providing Heng Yuan for secondary power supply aging test Download PDFInfo
- Publication number
- CN106291398B CN106291398B CN201610798406.8A CN201610798406A CN106291398B CN 106291398 B CN106291398 B CN 106291398B CN 201610798406 A CN201610798406 A CN 201610798406A CN 106291398 B CN106291398 B CN 106291398B
- Authority
- CN
- China
- Prior art keywords
- module
- ageing rack
- control
- current
- standard deviation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The present invention provides a kind of ageing rack for providing Heng Yuan for secondary power supply aging test, the ageing rack includes cabinet, liquid crystal display on the front panel of cabinet and at least three loading interfaces, and the control assembly in cabinet, control assembly includes controller and the liquid crystal control plate being connected with controller, collector, solid-state relay, memory and alarm, and the load resistance being connected with solid-state relay, load resistance is connected by loading interfaces with secondary power supply, the special aging of the ageing rack secondary power supply for providing Heng Yuan for secondary power supply aging test of offer provided by the invention, its function provides+27V power supplys and power source loads for test secondary power supply, and monitor the voltage and current of every road+27V；Ageing rack can at least meet drag three aging test.
Description
Technical field
The invention belongs to power supply ageing device fields, more particularly to a kind of for providing Heng Yuan for secondary power supply aging test
Ageing rack.
Background technology
With the development of society, Information technology is maked rapid progress, various equipment and its parts have obtained rapid development, so
And these zero devices and its used power supply majority, there are mass defect and latent defect, mass defect can be by general
Test and quality control method are it can be found that and there are zero devices of latent defect only as place equipment uses for a long time
Afterwards, can be exposed, this certainly will be to equipment with causing considerable damage.So improving zero device or used power supply
Quality, as early as possible expose its latent defect be the big problem for needing to solve at present.Aging test is that one kind allows product in stress
Lower work is for a period of time to stablize the ageing rack of its characteristic.It is by simulating the test wrapper under a kind of high temperature, high mal-condition
Border carries out High performance electronics to burn machine for a long time, to improve the production technology stream of Product Safety, stability and reliability
Journey.But it when each power supply carries out aging test, needs to provide stable power supply and power source loads for aging test, can protect
Zero device for card aging test is not damaged, and in order to solve the above-mentioned technical problem, prior art discloses some for monitoring
The parameters such as the voltage of the aging test of each power supply, when the abnormal alarm of appearance, such as CN103365289 disclose one kind wirelessly
Distributed generation resource burn-in test monitors ageing rack and system, which uses Distributed Design and wireless communication mode, in this way should
Design is easily installed and safeguards, and with cost-effective and other effects, but still there is work as the prior art disclosed above
Entire ageing process is controlled when the electric current of output is more than preset threshold value by way of adding power-off, although the control mode has
There is certain effect, but when aging test has carried out half, when occurring the case where output current or spread of voltage suddenly,
After Switching power, entire ageing process is required for re-starting, wasting manpower and material resources, and without fundamentally solving to be ageing
Experiment provides the technical issues of stabilized power source.
Invention content
It can be tried for the secondary power supply ageing in aging test in order to solve the above technical problem, the present invention provides a kind of
Test the ageing rack that Heng Yuan is provided.
Specific technical solution of the present invention is as follows：
The present invention provides a kind of ageing rack for providing Heng Yuan for secondary power supply aging test, which includes machine
Case, the liquid crystal display being set on the front panel of cabinet and at least three loading interfaces, and the control assembly in cabinet, control
Component processed includes controller and the liquid crystal control plate, collector, solid-state relay, memory and the alarm that are connected with controller,
And the load resistance being connected with solid-state relay, load resistance are connected by loading interfaces with secondary power supply；Controller includes pre-
If module, data reception module, the first comparison module and control module, collector is used to acquire the current value of ageing rack output；
Presetting module is used for setting electric current threshold range [A1, A2], and data reception module is used for the electric current of real-time reception collector acquisition
Value A, and it is sent respectively to liquid crystal control plate, memory and the first comparison module；The electric current that first comparison module is used to receive
Value A is compared with current threshold range [A1, A2], and as A ＞ A2, control module sends peak load electricity to solid-state relay
The resistance value instruction of resistance output, while alarm command is sent out to alarm, as A ＜ A1, control module is sent out to solid-state relay
Sending reduces the resistance value instruction of load resistance output, and alarm is loaded for sending out alarm signal, solid-state relay for controlling
The resistance value of resistance output.
Further to improve, control assembly further includes the pressure regulation potentiometer being connected with controller, and pressure regulation potentiometer is for adjusting
The voltage value of ageing rack output is saved, controller further includes being connected to the control module voltage inclined setup module and voltage is drawn to draw control partially
Molding block, voltage draw the interface of voltage value of the inclined setup module for providing adjustment ageing rack output for operating personnel, same to time control
Adjust instruction is sent to voltage and draws inclined control module by molding block, and voltage draws inclined control module to be used for according to adjust instruction to pressure regulation
Potentiometer sends the instruction for the voltage value that ageing rack output is raised and lowered.
It is further to improve, controller further include secondary power supply output current receiving module, current standard deviation computing module,
Second comparison module, electric current relative standard deviation computing module, the first judgment module and third comparison module, presetting module are also used
In setting electric current standard deviation threshold method range [S1, S2] and electric current relative standard deviation threshold value R1, secondary power supply output current receives
Module is used for the current value of real-time reception secondary power supply output, and is sent to current standard deviation computing module, current standard deviation meter
It calculates module and is used to calculate the current standard deviation S of each current value, and be sent to the second comparison module, the second comparison module will be for that will connect
The current standard deviation S of receipts is compared with current standard deviation threshold range [S1, S2], when S is not in [S1, S2] range, to
First judgment module sends decision instruction, and the first judgment module is for judging that voltage draws inclined control module whether to pressure regulation potentiometer
The instruction for sending the voltage value that ageing rack output is raised and lowered sends out alarm command, such as if not sending out instruction to alarm
Fruit sends out instruction, and the instruction of calculating current relative standard deviation is sent out to electric current relative standard deviation computing module, and electric current is opposite
Standard deviation calculation module is used for calculating current relative standard deviation RSD, and sends compare instruction, third to third comparison module
Comparison module is for relative standard deviation RSD to be compared with electric current relative standard deviation threshold value R1, as RSD ＞ R1, to
Alarm sends out alarm command.
It is further to improve, cooling system is additionally provided in cabinet, cooling system includes being made of at least three layers heat dissipation support plate
Heat-dissipating frame and be placed in heat dissipation support plate on radiator fan.
Further to improve, the rear panel of cabinet is equipped with thermal vias, and radiating sieves are covered on thermal vias.
Further to improve, cooling system further includes the cooling assembly being located on load resistance, and cooling assembly includes outer
Shell, shell are equipped with heat emission hole, and the madial wall of shell is arranged in parallel with two rows of cooling fins, semiconductor refrigerating is equipped between cooling fin
Piece, semiconductor chilling plate are set on load resistance.
It is further to improve, be equipped with through-hole on two rows of cooling fins, through-hole arranges in the shape of a spiral, be per dissipation backing by
Wavelike structure made of multiple heat-dissipating fins fold often is arranged wavelike structure and is distributed in alternating expression, wherein the wavy knot of a row
In structure, the angle that formation is folded between each heat-dissipating fin is 60 °, in another row's wavelike structure, between each heat-dissipating fin
It is 45 ° to fold the angle formed.
Further to improve, control assembly further includes the cooling system control circuit being connected with controller, cooling system control
Circuit processed includes the switching switch being connected with controller and switchs the fan control circuitry being connected and refrigeration control circuit with switching,
Fan control circuitry is connected with radiator fan, and refrigeration control circuit is connected with semiconductor chilling plate, and switching switch is used for fan control
Switching between circuit and refrigeration control circuit processed.
Further to improve, control assembly further includes the temperature sensor being connected with controller, and temperature sensor is for adopting
Collect the temperature of load resistance, and issue controller, presetting module is additionally operable to set temperature threshold range [T1, T2], and controller is also
Including temperature reception module and the 4th comparison module, temperature reception module is used to receive the load resistance of temperature sensor acquisition
Temperature T, and it is sent to the 4th comparison module, the 4th comparison module is additionally operable to the temperature T that will be received and temperature threshold range
[T1, T2] is compared, and as T1 ＜ T ＜ T2, control module switchs the instruction for sending connection fan control circuitry to switching, when
When T ＞ T2, control module switchs the instruction for sending connection refrigeration control circuit to switching.
Further to improve, the front panel of cabinet is additionally provided with total power switch, output interface, is connected with liquid crystal control plate
The rear panel of keyboard and the indicator light being connected with alarm, cabinet is additionally provided with the socket with protection.
Further to improve, control assembly further includes the constant-current control circuit being connected with controller, constant-current control circuit packet
It includes operational amplifier, power resistor, current value limit control module and inhibits capacitance；Operational amplifier respectively with output interface, control
Device limits control module with current value and is connected, and after power resistor is in parallel with capacitance is inhibited, is connected with operational amplifier.
The beneficial effects of the invention are as follows：
Offer provided by the invention for for secondary power supply aging test provide Heng Yuan ageing rack secondary power supply it is special
With aging, function provides+27V power supplys and power source loads for test secondary power supply, and monitors the electricity per road+27V
Pressure and electric current；Ageing rack can at least meet drag three aging test.
Description of the drawings
Fig. 1 is the structural schematic diagram of the front panel of 1 cabinet of embodiment；
Fig. 2 is the structural schematic diagram of the rear panel of 1 cabinet of embodiment；
Fig. 3 is the work flow diagram of 1 control assembly of embodiment；
Fig. 4 is each module connection diagram of 1 controller of embodiment；
Fig. 5 is each module connection diagram of 2 controller of embodiment；
Fig. 6 is each module connection diagram of 3 controller of embodiment；
Fig. 7 is the structural schematic diagram of 4 cooling system of embodiment；
Fig. 8 is the structural schematic diagram of 5 cooling assembly of embodiment；
Fig. 9 is that 5 cooling assembly of embodiment is free of chlamydate structural schematic diagram；
Figure 10 is the work flow diagram of 5 control assembly of embodiment；
Figure 11 is the work flow diagram of 6 control assembly of embodiment；
Figure 12 is the work flow diagram of 6 controller of embodiment；
Figure 13 is the fundamental diagram of 7 constant-current control circuit of embodiment；
Figure 14 is the work flow diagram of 8 ageing component of embodiment.
Specific implementation mode
Embodiment 1
A kind of ageing rack for providing Heng Yuan for secondary power supply aging test, as shown in Figure 1, the ageing rack includes machine
Case, 2,5 loading interfaces 3 of liquid crystal display being set on the front panel 1 of cabinet, output interface 17, power up total power switch 16
It switchs, indicator light of adding some points, the keyboard 18 being connected with liquid crystal control plate 5 and the indicator light 19 being connected with alarm 9, as shown in Fig. 2,
The rear panel 22 of cabinet is equipped with socket 20, thermal vias 124 and the radiating sieves 125 being covered on thermal vias 124 with protection,
And the control assembly in cabinet, as shown in figure 3, control assembly includes controller 4 and the liquid crystal control being connected with controller 4
Plate 5, collector 6, solid-state relay 7, memory 8 and alarm 9, and the load resistance 10 that is connected with solid-state relay 7, load
Resistance 10 is connected by loading interfaces 3 with secondary power supply；As shown in figure 4, controller 4 includes presetting module 40, data reception
Block 41, the first comparison module 42 and control module 43, collector 6 are used to acquire the current value of ageing rack output；Presetting module 40
For setting electric current threshold range [A1, A2], data reception module 41 is used for the current value A that real-time reception collector 6 acquires, and
It is sent respectively to liquid crystal control plate 5, memory 8 and the first comparison module 42；The electric current that first comparison module 42 is used to receive
Value A is compared with current threshold range [A1, A2], and as A ＞ A2, control module 43 sends to increase to solid-state relay 7 and bear
The resistance value instruction that resistance 10 exports is carried, while sending out alarm command to alarm 9, as A ＜ A1, control module 43 is to solid-state
Relay 7, which is sent, reduces the resistance value instruction that load resistance 10 exports, and alarm 9 is for sending out alarm signal, solid-state relay 7
Resistance value for controlling the output of load resistance 10.
Ageing rack provided by the invention can provide stable power supply and power source loads for the aging test of secondary power supply, this
Invention in specific implementation, adds solid-state relay and load resistance, and the current value of moment monitoring ageing rack output, when
When current value is not in threshold range, alarm signal is not only sent out, while adjusting electricity is sent out to solid-state relay by controller
The instruction of resistance value, so that the resistance value for making solid-state relay be exported in time to load resistance controls so that the power supply of offer
It tends towards stability, the generation for the accidents such as avoid secondary power supply impaired.
Embodiment 2
A kind of ageing rack for providing Heng Yuan for secondary power supply aging test, the ageing rack and the difference of embodiment 1 exist
In as shown in figure 5, control assembly further includes the pressure regulation potentiometer 11 being connected with controller 4, pressure regulation potentiometer 11 is old for adjusting
The voltage value of platform output is refined, controller 4 further includes that the voltage being connected with control module 43 draws inclined setup module 44 and voltage to draw partially
Control module 45, voltage draw the interface of voltage value of the inclined setup module 44 for providing adjustment ageing rack output for operating personnel,
Adjust instruction is sent to voltage and draws inclined control module 45 by control module 43 simultaneously, and the inclined control module 45 of voltage drawing is for according to tune
It is whole to instruct the instruction for being sent to pressure regulation potentiometer 11 and the voltage value that ageing rack exports being raised and lowered.
The present invention further improves and adds pressure regulation potentiometer in ageing rack, pressure regulation potentiometer can pull up partially or under
Bias-voltage value is drawn, the purpose of addition is the voltage change range that can be born in order to investigate secondary power supply in aging test, from
And be design ageing rack output voltage do foundation.
Embodiment 3
It is a kind of for providing the ageing rack of Heng Yuan for secondary power supply aging test, the ageing rack as different from Example 2,
As shown in fig. 6, controller 4 further includes secondary power supply output current receiving module 47, the ratio of current standard deviation computing module 48, second
Compared with module 49, electric current relative standard deviation computing module 410, the first judgment module 411 and third comparison module 412, mould is preset
Block 40 is additionally operable to setting electric current standard deviation threshold method range [S1, S2] and electric current relative standard deviation threshold value R1, secondary power supply output
Current receiv module 47 is used for the current value of real-time reception secondary power supply output, and is sent to current standard deviation computing module 48,
Current standard deviation computing module 48 is used to calculate the current standard deviation S of each current value, and is sent to the second comparison module 49, and second
Comparison module 49 is used to the current standard deviation S received being compared with current standard deviation threshold range [S1, S2], when S does not exist
When in [S1, S2] range, decision instruction is sent to the first judgment module 411, the first judgment module 411 is for judging that it is inclined that voltage is drawn
Whether control module 45 sends the instruction that the voltage value that ageing rack exports is raised and lowered to pressure regulation potentiometer 11, if do not sent out
Instruction, sends out alarm command to alarm, if sending out instruction, calculating is sent out to electric current relative standard deviation computing module 410
The instruction of electric current relative standard deviation, electric current relative standard deviation computing module 410 are used for calculating current relative standard deviation
RSD, and compare instruction is sent to third comparison module 412, third comparison module 412 is used for relative standard deviation RSD and electricity
Stream relative standard deviation threshold value R1 is compared, and as RSD ＞ R1, alarm command is sent out to alarm.
In the further improvement project of the present invention, further controller is defined, purpose detection ageing rack is
After secondary power supply aging test provides power supply, whether the output current of secondary power supply is constant, and the present invention is by calculating secondary power supply
The standard deviation of each current value of output judges whether output current constant so that it is more accurate to judge, and by standard deviation with
Current standard deviation threshold range is compared, when the standard deviation is not in current standard deviation threshold range, it is also necessary to be done to it
It is further to judge, judge whether ageing rack has been raised and lowered voltage value, if voltage value is not raised and lowered, illustrates old
Refining platform does not do bias test, then showing that the power supply that ageing rack provides is unstable, sends out alarm at this time, trouble-shooting, if
Ageing rack is doing bias test, that is, ageing rack changes the voltage value of output, then controller also needs to further calculate opposite mark
Quasi- deviation, and be compared, if relative standard deviation is more than relative standard deviation threshold value, illustrate the power supply meeting that ageing rack provides
Make aging test short circuit or open circuit, therefore sends out alarm signal.The circulatory system can be more accurately secondary power supply ageing in this way
Experiment determines the voltage value of power supply output.
Embodiment 4
It is a kind of for providing the ageing rack of Heng Yuan for secondary power supply aging test, the ageing rack as different from Example 1,
As shown in fig. 7, being additionally provided with cooling system 12 in cabinet, cooling system 12 includes being dissipated by what at least three layers heat dissipation support plate 121 formed
Hot frame 122 and the radiator fan 123 being placed on heat dissipation support plate 121.
The present invention can improve the heat sinking function of ageing rack by adding cooling system in systems, place each zero device
Damage.
Embodiment 5
It is a kind of for providing the ageing rack of Heng Yuan for secondary power supply aging test, the ageing rack as different from Example 4,
Cooling system 12 further includes the cooling assembly 13 being located on load resistance 10, and as shown in Figure 8 and Figure 9, cooling assembly 13 includes
Shell 131, shell 131 are equipped with heat emission hole 132, and the madial wall of shell 131 is arranged in parallel with two rows of cooling fins 134, cooling fin
Semiconductor chilling plate 135 is equipped between 134, semiconductor chilling plate 135 is set on load resistance 10, on two rows of cooling fins 134
It is equipped with through-hole 1341, is wavelike structure made of being folded by multiple heat-dissipating fins 1342 per dissipation backing 134, often arranges wave
Wave-like structure is distributed in alternating expression, wherein in row's wavelike structure, the angle that formation is folded between each heat-dissipating fin is
60 °, in another row's wavelike structure, the angle that formation is folded between each heat-dissipating fin is 45 °.
Since the entire function of power supply depends on resistance, resistance can release a large amount of heat at work, in order to put
The damage due to high fever is set, the present invention is further provided with cooling assembly in load resistance, which can significantly reduce negative
The heat for carrying resistance, improves the service life of load resistance, compared with prior art, can improve the service life of load resistance
2.5 times, and 35%-40% can be improved in the heat dissipation effect of the cooling assembly compared with prior art.
As shown in Figure 10, control assembly further includes the cooling system control circuit 14 being connected with controller 4, cooling system control
Circuit 14 processed include the switching switch 141 being connected with controller 4 and with the fan control circuitry 142 that is connected of switching switch 141 and
Refrigeration control circuit 143, fan control circuitry 142 are connected with radiator fan 123, refrigeration control circuit 143 and semiconductor refrigerating
Piece 135 is connected, and switching switch 141 is for the switching between fan control circuitry 142 and refrigeration control circuit 143.
The present invention further provides cooling system control circuit for cooling system, to control the fortune of entire cooling system
Row.
Embodiment 6
It is a kind of for providing the ageing rack of Heng Yuan for secondary power supply aging test, the ageing rack as different from Example 5,
As shown in figure 11, control assembly further includes the temperature sensor 15 being connected with controller 4, and temperature sensor 15 is loaded for acquiring
The temperature of resistance 10, and controller 4 is issued, presetting module 40 is additionally operable to set temperature threshold range [T1, T2], such as Figure 12 institutes
Show, controller 4 further includes temperature reception module 413 and the 4th comparison module 414, and temperature reception module 413 is for receiving temperature
The temperature T for the load resistance 10 that sensor 15 acquires, and it is sent to the 4th comparison module 414, the 4th comparison module 414 is additionally operable to
The temperature T received is compared with temperature threshold range [T1, T2], as T1 ＜ T ＜ T2, control module 43 is opened to switching
141 instructions for sending connection fan control circuitry 142 are closed, as T ＞ T2, control module 43 sends connection to switching switch 141
The instruction of refrigeration control circuit 143.
The present invention is further optimized the controller in ageing rack, and the present invention by detecting load resistance constantly
Temperature value, to realize the switching between fan cooling and cooling assembly heat dissipation, not single heat that can be effectively reduced load resistance
Amount, while sinking path is determined according to the temperature of load resistance height, it can cross and be effectively saved resource, substantially reduce cost.
Embodiment 7
It is a kind of for providing the ageing rack of Heng Yuan for secondary power supply aging test, the ageing rack as different from Example 1,
Control assembly further includes the constant-current control circuit 21 being connected with controller 4, and as shown in figure 13, constant-current control circuit 21 includes operation
Amplifier 211, power resistor 212, current value limit control module 213 and inhibition capacitance 214；Operational amplifier 211 respectively with output
Interface 17, controller 4 and current value limit control module 213 and are connected, and after power resistor 212 is in parallel with capacitance 214 is inhibited, are put with operation
Big device 211 is connected.
Embodiment 8
It is a kind of for providing the ageing rack of Heng Yuan for secondary power supply aging test, the ageing rack as different from Example 1,
Ageing rack further includes the ageing component being set in cabinet, and the ageing component is communicated with external computer comprising control
Frequency sets code switch 101, the first radio frequency for being connected with answering machine frequency test output end is opened for plate 100, setting of being connected with control panel 100
Close 102 and coupler 103, the frequency meter 104 being connected with the first RF switch 102, the attenuator 105 that is connected with coupler 103
With wave detector 106, the second RF switch 107 being connected with attenuator 105, the oscillograph 108 being connected with wave detector 106 and with
The connected power meter 109 of two RF switches 107, the power meter 109, frequency meter 104 and signal source pass through gpib bus interface
It is communicated with computer, simultaneous computer is communicated with control panel, is realized and is set code processing to the frequency of setting of out-put supply.
Control panel is mainly by FPGA (programmable logic array), relay array, Self-resetting insurance, driving circuit, alarm
Buzzer and RS232 interface conversion circuit composition.According to " program control/manual " button actions of panel, selection is to pass through computer
Software operates.
Wherein, power meter is used to measure response and exports the performance number after directional coupler；Frequency meter is answered for measuring
Answer the frequency signal of machine output；Oscillograph is used to measure the waveform that response output signal passes through coupler and wave detector.
The workflow of the ageing component is as shown in figure 14, which 1~5 remote control answering machine can carry out electricity simultaneously
Aging test, select one first radio frequency to open through five the frequency test output end (X-band) of five sets of answering machines (product 1 to product 5)
Output is closed to a frequency meter interface, carries out reference frequency test；RF pulse-to-pulse (the Ku waves of five sets of answering machines (product 1 to product 5)
Section) select one second RF switch to export to a power meter interface by five again after coupler and 10dB attenuators, it is sent out
Acc power test is penetrated, while exporting five ports BNC after 20dB wave detectors, the radio-frequency pulse for being remotely controlled answering machine input can be declined
It is output to oscillograph test after subtracting detection.Power meter, frequency meter, signal source are communicated by gpib bus with computer.Together
When computer by RS232 serial ports with control board communications, to remote control answering machine set frequency set code.
The present invention by ageing rack can electric aging test be carried out to 1~5 remote control answering machine simultaneously；It can be to being remotely controlled response
Machine sets frequency and sets code；Guided missile address code can be provided；It can monitor whether remote control answering machine is in self-destruction state；It is defeated can will to be remotely controlled answering machine
It is exported after the radio-frequency pulse decaying detection entered；Reference frequency test and transmitter can be carried out to the remote control answering machine for carrying out electric ageing
Power test, and record.
Control assembly further includes that the processor being connected with controller 4, RF switch, the frequency meter that is connected with RF switch connect
Mouthful, the coupler being connected with RF switch, and the attenuator that is connected with coupler, and the power meter interface that is connected with attenuator.
Only several embodiments of the present invention are expressed for above example, the description thereof is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
It encloses.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of ageing rack for providing Heng Yuan for secondary power supply aging test, which is characterized in that the ageing rack includes machine
Case, the liquid crystal display (2) being set on the front panel (1) of the cabinet and at least three loading interfaces (3), and it is set to the machine
Control assembly in case, the control assembly include controller (4) and the liquid crystal control plate (5) being connected with the controller (4),
Collector (6), solid-state relay (7), memory (8) and alarm (9), and the load that is connected with the solid-state relay (7)
Resistance (10), the load resistance (10) are connected by loading interfaces (3) with secondary power supply, and the controller (4) includes default
Module (40), data reception module (41), the first comparison module (42) and control module (43), the collector (6) is for adopting
Collect the current value of ageing rack output；The presetting module (40) is used for setting electric current threshold range [A1, A2], the data receiver
Module (41) is used for the current value A of real-time reception collector (6) acquisition, and is sent respectively to liquid crystal control plate (5), memory
(8) and the first comparison module (42)；The current value A that first comparison module (42) is used to receive and current threshold range
[A1, A2] is compared, and as A ＞ A2, the control module (43) sends peak load resistance to the solid-state relay (7)
(10) the resistance value instruction exported, while sending out alarm command to alarm (9), as A ＜ A1, the control module (43) to
The solid-state relay (7), which sends, reduces the resistance value instruction that load resistance (10) exports, and the alarm (9) is for sending out report
Alert signal, the solid-state relay (7) are used to control the resistance value of load resistance (10) output.
2. ageing rack as described in claim 1, which is characterized in that the control assembly further includes being connected with controller (4)
Pressure regulation potentiometer (11), the pressure regulation potentiometer (11) are used to adjust the voltage value of ageing rack output, and the controller (4) is also wrapped
Including the voltage being connected with control module (43) draws inclined setup module (44) and voltage that inclined control module (45), the voltage is drawn to draw inclined
Setup module (44) is used to provide the interface of the voltage value of adjustment ageing rack output, while the control module for operating personnel
(43) adjust instruction is sent to the voltage draws inclined control module (45), the voltage that inclined control module (45) is drawn to be used for basis
Adjust instruction sends the instruction that the voltage value that ageing rack exports is raised and lowered to the pressure regulation potentiometer (11).
3. ageing rack as claimed in claim 2, which is characterized in that the controller (4) further includes secondary power supply output current
Receiving module (47), current standard deviation computing module (48), the second comparison module (49), electric current relative standard deviation computing module
(410), the first judgment module (411) and third comparison module (412), the presetting module (40) are additionally operable to setting electric current standard
Poor threshold range [S1, S2] and electric current relative standard deviation threshold value R1, the secondary power supply output current receiving module (47) are used
In the current value of real-time reception secondary power supply output, and it is sent to current standard deviation computing module (48), the current standard deviation
Computing module (48) is used to calculate the current standard deviation S of each current value, and is sent to the second comparison module (49), second ratio
It is used to the current standard deviation S received being compared with current standard deviation threshold range [S1, S2] compared with module (49), when S does not exist
When in [S1, S2] range, decision instruction is sent to first judgment module (411), first judgment module (411) is used for
Judge that the voltage draws inclined control module (45) whether to be sent to the pressure regulation potentiometer (11) and ageing rack output is raised and lowered
The instruction of voltage value send out alarm command to the alarm if not sending out instruction, if sending out instruction, to the electricity
Stream relative standard deviation computing module (410) sends out the instruction of calculating current relative standard deviation, and the electric current relative standard is inclined
Poor computing module (410) is used for calculating current relative standard deviation RSD, and sends and compare to the third comparison module (412)
Instruction, the third comparison module (412) is for comparing relative standard deviation RSD and electric current relative standard deviation threshold value R1
Compared with as RSD ＞ R1, alarm command is sent out to the alarm.
4. ageing rack as described in claim 1, which is characterized in that cooling system (12) is additionally provided in the cabinet, it is described to dissipate
Hot systems (12) include the heat-dissipating frame (122) being made of at least three layers heat dissipation support plate (121) and are placed on heat dissipation support plate (121)
Radiator fan (123).
5. ageing rack as claimed in claim 4, which is characterized in that the cooling system (12) further includes being located at the load
Cooling assembly (13) on resistance (10), the cooling assembly (13) include shell (131), and the shell (131), which is equipped with, to be dissipated
Hot hole (132), the madial wall of the shell (131) are arranged in parallel with two rows of cooling fins (134), between the cooling fin (134)
Equipped with semiconductor chilling plate (135), the semiconductor chilling plate (135) is set on the load resistance (10).
6. ageing rack as claimed in claim 5, which is characterized in that be equipped with through-hole on two rows of cooling fins (134)
(1341), it is wavelike structure made of being folded by multiple heat-dissipating fins (1342) often to arrange the cooling fin (134), often arranges institute
It states wavelike structure to be distributed in alternating expression, wherein in row's wavelike structure, the angle of formation is folded between each heat-dissipating fin
It it is 60 °, in another row's wavelike structure, the angle that formation is folded between each heat-dissipating fin is 45 °.
7. ageing rack as claimed in claim 5, which is characterized in that the control assembly further includes cooling system control circuit
(14), the cooling system control circuit (14) includes the switching switch (141) being connected with controller (4) and is opened with the switching
Close (141) connected fan control circuitry (142) and refrigeration control circuit (143), the fan control circuitry (142) and heat dissipation
Fan (123) is connected, and the refrigeration control circuit (143) is connected with semiconductor chilling plate (135), and the switching switchs (141)
For the switching between fan control circuitry (142) and refrigeration control circuit (143).
8. ageing rack as claimed in claim 7, which is characterized in that the control assembly further includes being connected with controller (4)
Temperature sensor (15), the temperature sensor (15) are used to acquire the temperature of load resistance (10), and issue controller (4),
The presetting module (40) is additionally operable to set temperature threshold range [T1, T2], and the controller (4) further includes temperature reception module
(413) and the 4th comparison module (414), the temperature reception module (413) are used to receive the negative of temperature sensor (15) acquisition
The temperature T of resistance (10) is carried, and is sent to the 4th comparison module (414), the 4th comparison module (414) is additionally operable to receive
To temperature T be compared with temperature threshold range [T1, T2], as T1 ＜ T ＜ T2, the control module (43) is cut to described
The instruction that switch (141) sends connection fan control circuitry (142) is changed, as T ＞ T2, the control module (43) is cut to described
It changes switch (141) and sends the instruction for being connected to the refrigeration control circuit (143).
9. ageing rack as described in claim 1, which is characterized in that the front panel (1) of the cabinet is additionally provided with total power switch
(16), output interface (17), the keyboard (18) being connected with liquid crystal control plate (5) and the indicator light (19) being connected with alarm (9),
The rear panel (22) of the cabinet is additionally provided with the socket (20) with protection.
10. ageing rack as claimed in claim 9, which is characterized in that the control assembly further includes being connected with controller (4)
Constant-current control circuit (21), the constant-current control circuit (21) include operational amplifier (211), power resistor (212), current value
Limit control module (213) and inhibition capacitance (214)；The operational amplifier (211) respectively with output interface (17), controller (4)
Control module (213) is limited with current value to be connected, after the power resistor (212) is in parallel with inhibition capacitance (214), with the fortune
Amplifier (211) is calculated to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798406.8A CN106291398B (en) | 2016-08-31 | 2016-08-31 | A kind of ageing rack for providing Heng Yuan for secondary power supply aging test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798406.8A CN106291398B (en) | 2016-08-31 | 2016-08-31 | A kind of ageing rack for providing Heng Yuan for secondary power supply aging test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106291398A CN106291398A (en) | 2017-01-04 |
| CN106291398B true CN106291398B (en) | 2018-08-31 |
Family
ID=57710263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610798406.8A Active CN106291398B (en) | 2016-08-31 | 2016-08-31 | A kind of ageing rack for providing Heng Yuan for secondary power supply aging test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106291398B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444768A (en) * | 2018-12-27 | 2019-03-08 | 山东蓝孚高能物理技术股份有限公司 | A kind of x-ray irradiation instrument high-voltage DC power supply test device |
| CN110043457B (en) * | 2019-04-24 | 2020-12-01 | 上海外高桥造船有限公司 | Debugging method of cargo oil pump system |
| CN112052131A (en) * | 2020-09-27 | 2020-12-08 | 北京环境特性研究所 | Automatic monitoring device for copying machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6198302B1 (en) * | 1998-04-02 | 2001-03-06 | Lucent Technologies Inc. | System and method for testing power supplies |
| CN102074928A (en) * | 2009-11-20 | 2011-05-25 | 北京普源精电科技有限公司 | Constant-voltage constant-current power supply and automatic calibration method for overvoltage and overcurrent protection thereof |
| CN102175979A (en) * | 2010-12-31 | 2011-09-07 | 东莞市奇立电源有限公司 | Energy-saving method and device for product aging test |
| CN202261234U (en) * | 2011-09-21 | 2012-05-30 | 杭州三海电子有限公司 | Constant-current and constant-power burn-in circuit for photoelectric coupler |
| CN203870226U (en) * | 2014-04-01 | 2014-10-08 | 苏州工业职业技术学院 | DC electronic load under constant current work mode |
-
2016
- 2016-08-31 CN CN201610798406.8A patent/CN106291398B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6198302B1 (en) * | 1998-04-02 | 2001-03-06 | Lucent Technologies Inc. | System and method for testing power supplies |
| CN102074928A (en) * | 2009-11-20 | 2011-05-25 | 北京普源精电科技有限公司 | Constant-voltage constant-current power supply and automatic calibration method for overvoltage and overcurrent protection thereof |
| CN102175979A (en) * | 2010-12-31 | 2011-09-07 | 东莞市奇立电源有限公司 | Energy-saving method and device for product aging test |
| CN202261234U (en) * | 2011-09-21 | 2012-05-30 | 杭州三海电子有限公司 | Constant-current and constant-power burn-in circuit for photoelectric coupler |
| CN203870226U (en) * | 2014-04-01 | 2014-10-08 | 苏州工业职业技术学院 | DC electronic load under constant current work mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106291398A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106291398B (en) | A kind of ageing rack for providing Heng Yuan for secondary power supply aging test | |
| CN203217401U (en) | Mobile phone temperature monitoring circuit | |
| CN109781268A (en) | Keypoint part temperature monitoring system in a kind of switchgear based on the infrared thermovision technology of low cost | |
| CN103792476A (en) | Thermal resistance measuring method for semiconductor device | |
| CN103579032A (en) | Method and system for testing power semiconductor module packaging technology | |
| CN110488172A (en) | A kind of high-power IGBT junction temperature detection circuit, system and method | |
| CN106482951A (en) | A kind of engine behavior monitoring and automatic shutdown method | |
| CN109659244A (en) | A kind of device and method that wafer test temperature is adjusted | |
| CN103376403B (en) | The reliability test system of digital pre-distorting power amplifier | |
| CN115792553A (en) | Power semiconductor thermal reliability testing device and testing method | |
| CN110658443A (en) | Aging system for radio frequency front-end device | |
| CN106680608A (en) | Ultrahigh-frequency sensor evaluation method by utilizing GTEM cell | |
| CN106507644B (en) | The refrigeration system of equipment cabinet server and the control method for utilizing the cooling system | |
| CN110161334B (en) | Burn-in system for sending and receiving assembly | |
| CN108287300A (en) | A kind of method and apparatus measuring operating insulation grid-type field-effect transistor junction temperature | |
| CN107607903A (en) | The calibration method and device of a kind of electric energy measuring equipment | |
| CN209559365U (en) | A kind of wireless temperature measuring device | |
| CN104317336B (en) | Control method of pressure control apparatus of low-temperature working medium immersion type superconducting magnet | |
| CN206684194U (en) | High power transistor test fixture | |
| CN209541807U (en) | A kind of intelligent online detection pipe-line system | |
| CN108037356A (en) | A kind of crystal oscillator frequency monitors system and method | |
| CN207231807U (en) | A kind of test platform of SVG heat-pipe radiators characteristic | |
| CN104485898B (en) | The adjustment method and system of binary channels power amplifier | |
| CN107300478B (en) | Test platform for dynamic characteristics of SVG heat pipe radiator and application method thereof | |
| CN112748355A (en) | Automatic power adapter energy efficiency test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191209 Address after: 100091 No.401, 4th floor, west section, building 12, 4th District, Xishan Creative Park, Haidian District, Beijing Co-patentee after: Beijing Electronic Engineering General Research Institute Patentee after: BEIJING HANGTIAN KEYI TECHNOLOGY CO., LTD. Address before: 100091, Haidian District, Beijing, 65 Stone Road No. 12, Yi Park, creative base, C District, West cedar Creative Park, four district, building 302 Patentee before: BEIJING HANGTIAN KEYI TECHNOLOGY CO., LTD. |