CN207424613U - A kind of testboard with intellectual monitoring protection supplies electric installation - Google Patents
A kind of testboard with intellectual monitoring protection supplies electric installation Download PDFInfo
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- CN207424613U CN207424613U CN201721591142.5U CN201721591142U CN207424613U CN 207424613 U CN207424613 U CN 207424613U CN 201721591142 U CN201721591142 U CN 201721591142U CN 207424613 U CN207424613 U CN 207424613U
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Abstract
The utility model discloses a kind of testboard with intellectual monitoring protection and supplies electric installation; it is described to include processor, control circuit, LM317 three terminal integrated voltage stabilizers, knob adjustable device, BTS power modules and LCD display for electric installation; the processor is connected by control circuit with LM317 three terminal integrated voltage stabilizers; the LM317 three terminal integrated voltage stabilizers are connected respectively with processor, BTS power modules and knob adjustable device, and the processor is connected respectively with LCD display and BTS power modules.The utility model is detected by the curtage to output, is realized to the over-pressed, under-voltage of testboard, overcurrent and short-circuit protection, avoids damaging circuit board；Pass through adjusting knob adjustable device, ensure that the voltage of voltage-stablizer output is synchronous with the supply voltage needed for testboard, ensure that a device can meet the power demand of different voltages simultaneously simultaneously, and the device has the function that can monitor and cut off in real time output, has the characteristics that safe, application prospect is wide.
Description
Technical field
The utility model belongs to testboard power supply technique field, is related to a kind of testboard with intellectual monitoring protection and supplies
Electric installation.
Background technology
With the industrialized progress and development of society, electronic industry has become indispensable in life now one
Point, either a series of irreplaceable link of manufacture R＆D and production of electronic products such as computer, mobile phone, automobile, household electrical appliances is still
It is performance test and debugging process.Therefore debugging efficiency and saving can greatly be improved there are one good commissioning device and device by gathering around
Time and cost of labor.
Following two problems, one exists in the prior art：In many debugging power supply used generally all without more
Road voltage output passage needs in some debugging process while would become hard to meet its need under the debugging enironment of multi-channel voltage power supply
It asks, it is necessary to situations such as more stabilized power supply device power supplies, complex steps and wiring complexity be easy to cause intersection short circuit；Secondly：
, it is necessary to which the debugging enironment that different voltages are powered simultaneously, is difficult to meet in existing debugging during many production debuggings
Such requirement is typically also that more instruments is used to work at the same time to power for it, greatly reduces debugging efficiency.
In order to solve problem above, now design a kind of testboard with intellectual monitoring protection and supply electric installation.
Utility model content
A kind of testboard with intellectual monitoring protection provided by the utility model solves in the prior art for electric installation
Testboard can not provide different power voltage and the problem of same equipment can not provide multi-channel voltage power supply.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of testboard with intellectual monitoring protection for electric installation, it is described for electric installation include processor, control circuit,
LM317 three terminal integrated voltage stabilizers, knob adjustable device, BTS power modules and LCD display, the processor pass through control circuit
Be connected with LM317 three terminal integrated voltage stabilizers, the LM317 three terminal integrated voltage stabilizers respectively with processor, BTS power modules and
Knob adjustable device connects, and the processor is connected respectively with LCD display and BTS power modules；
The processor controls control circuit, and the voltage of the control circuit output is sent to tri- end collection of LM317
Into the input terminal of voltage-stablizer, the output voltage size of the LM317 three terminal integrated voltage stabilizers is by passing through turn knob adjustable device
It being adjusted, the voltage of LM317 three terminal integrated voltage stabilizers output is exported and detected through BTS power module, and by detection
Voltage value feeds back to processor, and the voltage value of the processor feedback is sent to LCD display, the LCD display display inspection
The voltage value of survey.
Further, the control circuit include photoelectrical coupler U7, resistance R8, resistance R9, resistance R10, resistance R11,
Capacitance C5, capacitance C6, diode V5, triode Q2 and relay K2, an input terminal of the photoelectrical coupler U7 pass through electricity
Resistance R8 is connected with 24V power supplys, and an output terminal of the photoelectrical coupler U7 is by resistance R9 respectively with resistance R10's and capacitance C6
One end connects, and the cathode of the other end of resistance R10 and capacitance C6 respectively with diode V5 is connected, the anode of diode V5 respectively with
The collector of triode Q2 is connected with relay K2, the base stage of triode Q2 respectively with capacitance C5, resistance R11 and photoelectrical coupler
Another output terminal connection of U7.
Further, the processor is microcontroller, and the microcontroller is used to control I/O mouthfuls of low and high level state ,+
24V voltages are used to drive photoelectrical coupler.
Further, the voltage U+ of the control circuit repeat circuit output is inputted to LM317 three terminal integrated voltage stabilizers, institute
It states LM317 three terminal integrated voltage stabilizers to be connected with resistance RL, the knob adjustable device is connected to resistance RL, passes through knob adjustable device control
The size of resistance RL processed.
Further, photoelectrical coupler is connected with BTS pipes in the BTS power modules, the electricity of the IS ends output through BTS pipes
Stream changes into positive voltage signal by diode V2 and resistance R6 amplifications, and the positive voltage signal of conversion is transmitted to the I/O of microcontroller
Mouthful, realize the real-time monitoring to electric current.
Further, the voltage of the BTS pipes output reaches the I/ of microcontroller after resistance R13 and voltage follower output
O mouthfuls, realize the real-time monitoring to voltage.
The beneficial effects of the utility model：
The utility model is examined by the curtage that BTS power modules export LM317 three terminal integrated voltage stabilizers
It surveys, and detection data is sent to microcontroller, the voltage value of reception is handled through microcontroller, and then control circuit is carried out
Control, realizes to the over-pressed, under-voltage of testboard, overcurrent and short-circuit protection, avoids damaging circuit board；Pass through adjusting knob
The size of adjustable device control resistance RL ensures the power supply electricity needed for the voltage and testboard of LM317 three terminal integrated voltage stabilizers output
Pressure is synchronous, while ensures that a device can meet the power demand of different voltages simultaneously；It can be right in real time by BTS power modules
The voltage or electric current of output are monitored, while can carry out tripping protection, have the characteristics that safe, application prospect is wide.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the testboard power supply plant system drawing that the utility model has intellectual monitoring protection；
Fig. 2 is the connection figure of control circuit in the utility model；
Fig. 3 is the regulating circuit figure of knob adjustable device；
Fig. 4 is current detection circuit figure in the utility model；
Fig. 5 is voltage detecting circuit figure in the utility model；
In attached drawing, parts list represented by the reference numerals is as follows：
1- processors, 2- control circuits, 3-LM317 three terminal integrated voltage stabilizers, 4- knob adjustable devices, 5-BTS power moulds
Block, 6-LCD display screens.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Refering to Figure 1, a kind of testboard with intellectual monitoring protection is for electric installation, the device include processor 1,
Control circuit 2, LM317 three terminal integrated voltage stabilizers 3, knob adjustable device 4, BTS power modules 5 and LCD display 6, processor 1 are logical
Control circuit 2 is crossed to be connected with LM317 three terminal integrated voltage stabilizers 3, LM317 three terminal integrated voltage stabilizers 3 respectively with processor 1, BTS work(
Rate module 5 and knob adjustable device 4 connect, and processor 1 is connected respectively with LCD display 6 and BTS power modules；
Processor 1 controls the photoelectrical coupler in control circuit 2, and then relay is controlled, relay
The voltage of output is sent to the input terminal of LM317 three terminal integrated voltage stabilizers 3, by turn knob adjustable device 4 to tri- end collection of LM317
Output voltage size into voltage-stablizer 3 is adjusted, and the voltage that LM317 three terminal integrated voltage stabilizers 3 export is through BTS power modules 5
Output and detection, and the voltage value of detection is fed back into processor 1, the voltage value that processor 1 is fed back is sent to LCD display 6,
The voltage value of the display detection of LCD display 6.
Processing controller 1 uses microcontroller, and microcontroller access power supply, after power supply is passed through, microcontroller controls IO2 mouthfuls of height
Low state ,+24V are used to drive photoelectrical coupler；
The 3 output voltage Vi of front-end detection LM317 three terminal integrated voltage stabilizers of BTS power modules 5, and the output of detection is electric
Pressure Vi is sent to microcontroller through CAN communication, and microcontroller is under-voltage by the voltage Vi of reception and pre-set maximum overpressure and minimum
Rotection thresholds Vdmax, Vdmin are compared, as Vi >=Vdmax or Vi≤Vdmin, as shown in Fig. 2, IO2 mouthfuls of microcontroller is defeated
Go out low level, photoelectrical coupler turns at this time, and triode Q2 conductings, P point voltages are pulled low after triode device Q2 conductings, i.e. relay
5 foot of device line bag is grounded, and relay disconnects relay CB1 contacts under the voltage driving of+24V at this time, is cut off for electricity output, from
And realize the overvoltage and under-voltage protection of testboard；
The electric current Ii of 5 front-end detection LM317 three terminal integrated voltage stabilizers 3 of BTS power modules output, the electric current Ii warps of detection
CAN communication is sent to microcontroller, and microcontroller compares the electric current Ii of reception and pre-set maximum current rotection thresholds Ι d
Compared with, as Ι i >=Ι d, IO2 mouthfuls of output low levels of microcontroller, photoelectrical coupler conducting at this time, triode Q2 conductings, triode device
P point voltages are pulled low after Q2 conductings, i.e., 5 foot of relay line bag is grounded, at this time relay relay under the voltage driving of+24V
CB1 contacts disconnect, and are cut off for electricity output, so as to fulfill the overcurrent and short-circuit protection of testboard；
As shown in figure 3, the voltage U+ of relay output is inputted to LM317 three terminal integrated voltage stabilizers 3, resistance RL and LM317
Three terminal integrated voltage stabilizer 3 connects, and knob adjustable device 4 is connected to resistance RL, and the size of resistance RL is controlled by knob adjustable device 4,
The voltage exported through LM317 three terminal integrated voltage stabilizers 3 is detected by BTS power modules 5, and the voltage value of detection passes through inside
CAN communication be sent to microcontroller, the CPU processor driving LCD display 6 in microcontroller shows current voltage value V1, if
During the supply voltage V2 ﹤ V1 of testboard, adjusting knob adjustable device 4 reduces output voltage up to the V1 ≈ in allowable range of error
V2；If required supply voltage is V2 ﹥ V1, adjusting knob adjustable device 4 increases output voltage until in allowable range of error
V1 ≈ V2 adjust so as to fulfill voltage synchronous.
In addition, as shown in Figures 4 and 5, the voltage exported through LM317 three terminal integrated voltage stabilizers 3 can be used as multiple BTS power moulds
The input voltage of block 5；When the IO1 mouths of microcontroller are low level, the IN mouths of BTS pipes have driving current generation, are managed through BTS
The voltage of Out1, Out2, Out3, Out4 mouthfuls of output is Uo；When normal power supply exports, BTS pipes pass through internal current mutual inductor
By current value with 1：The ratio of n reduces n times and is exported through IS ends, wherein, the value of n is depending on BTS models, through the output of IS ends
Electric current changes into positive voltage signal by diode V2 and resistance R6 amplifications, and the positive voltage signal of conversion is transmitted to the I/ of microcontroller
It O mouthfuls, realizes the real-time monitoring effect to electric current, if actual current value is more than the threshold value of overcurrent, carries out open circuit protection；BTS is managed
Out1 output terminals output voltage, on the one hand can be provided for follow-up equipment power supply use；On the other hand the voltage access of output
Voltage sampling circuit, the voltage of input reach the I/O mouths of microcontroller after resistance R13 and voltage follower output, realize to electricity
The real-time monitoring effect of pressure, if actual voltage value is more than the threshold value of overvoltage or less than brownout threshold, carries out open circuit protection.
The utility model is examined by the curtage that BTS power modules export LM317 three terminal integrated voltage stabilizers
It surveys, and detection data is sent to microcontroller, the voltage value of reception is handled through microcontroller, and then control circuit is carried out
Control, realizes to the over-pressed, under-voltage of testboard, overcurrent and short-circuit protection, avoids damaging circuit board；Pass through adjusting knob
The size of adjustable device control resistance RL ensures the power supply electricity needed for the voltage and testboard of LM317 three terminal integrated voltage stabilizers output
Pressure is synchronous, while ensures that a device can meet the power demand of different voltages simultaneously；It can be right in real time by BTS power modules
The voltage or electric current of output are monitored, while can carry out tripping protection, have the characteristics that safe, application prospect is wide.
More than content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member does various modifications or additions to described specific embodiment or substitutes in a similar way, without departing from reality
With new structure or surmount scope defined in the claims, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of testboard with intellectual monitoring protection supplies electric installation, it is characterised in that：It is described to include processor for electric installation
(1), control circuit (2), LM317 three terminal integrated voltage stabilizers (3), knob adjustable device (4), BTS power modules (5) and LCD are shown
Shield (6), the processor (1) is connected by control circuit (2) with LM317 three terminal integrated voltage stabilizers (3), tri- ends of LM317
Integrated regulator (3) is connected respectively with processor (1), BTS power modules (5) and knob adjustable device (4), the processor (1)
It is connected respectively with LCD display (6) and BTS power modules (5)；
The processor (1) controls control circuit (2), and the voltage of control circuit (2) output is sent to LM317 tri-
The input terminal of integrated regulator (3) is held, the output voltage size of the LM317 three terminal integrated voltage stabilizers (3) is by passing through rotation
Knob adjustable device (4) is adjusted, and the voltage of LM317 three terminal integrated voltage stabilizers (3) output is defeated through BTS power modules (5)
Go out and detect, and the voltage value of detection is fed back into processor (1), the voltage value of processor (1) feedback is sent to LCD and shows
Display screen (6), the voltage value of LCD display (6) the display detection.
2. a kind of testboard with intellectual monitoring protection according to claim 1 supplies electric installation, it is characterised in that：It is described
Control circuit (2) includes photoelectrical coupler U7, resistance R8, resistance R9, resistance R10, resistance R11, capacitance C5, capacitance C6, two poles
An input terminal of pipe V5, triode Q2 and relay K2, the photoelectrical coupler U7 are connected by resistance R8 with 24V power supplys,
An output terminal of the photoelectrical coupler U7 is connected by the one end of resistance R9 respectively with resistance R10 and capacitance C6, resistance R10 and
Cathode of the other end of capacitance C6 respectively with diode V5 is connected, the anode of diode V5 respectively with the collector of triode Q2 and
Relay K2 connections, the base stage of triode Q2 connect respectively with another output terminal of capacitance C5, resistance R11 and photoelectrical coupler U7
It connects.
3. a kind of testboard with intellectual monitoring protection according to claim 1 supplies electric installation, it is characterised in that：It is described
Processor (1) is microcontroller, and the microcontroller is used to control I/O mouthfuls of low and high level state, and+24V voltages are used to drive photoelectricity
Coupler.
4. a kind of testboard with intellectual monitoring protection according to claim 2 supplies electric installation, it is characterised in that：It is described
The voltage U+ of control circuit (2) repeat circuit output is inputted to LM317 three terminal integrated voltage stabilizers (3), and tri- ends of LM317 integrate
Voltage-stablizer (3) is connected with resistance RL, and the knob adjustable device (4) is connected to resistance RL, and resistance is controlled by knob adjustable device (4)
The size of RL.
5. a kind of testboard with intellectual monitoring protection according to claim 1 supplies electric installation, it is characterised in that：It is described
Photoelectrical coupler is connected with BTS pipes in BTS power modules (5), and the electric current of the IS ends output through BTS pipes passes through diode V2 and electricity
Resistance R6 amplifications change into positive voltage signal, and the positive voltage signal of conversion is transmitted to the I/O mouths of microcontroller, realizes to the real-time of electric current
Monitoring.
6. a kind of testboard with intellectual monitoring protection according to claim 5 supplies electric installation, it is characterised in that：It is described
The voltage of BTS pipes output reaches the I/O mouths of microcontroller after resistance R13 and voltage follower output, realizes to the real-time of voltage
Monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591142.5U CN207424613U (en) | 2017-11-24 | 2017-11-24 | A kind of testboard with intellectual monitoring protection supplies electric installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591142.5U CN207424613U (en) | 2017-11-24 | 2017-11-24 | A kind of testboard with intellectual monitoring protection supplies electric installation |
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| Publication Number | Publication Date |
|---|---|
| CN207424613U true CN207424613U (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721591142.5U Active CN207424613U (en) | 2017-11-24 | 2017-11-24 | A kind of testboard with intellectual monitoring protection supplies electric installation |
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| CN (1) | CN207424613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596605A (en) * | 2019-09-27 | 2019-12-20 | 新誉轨道交通科技有限公司 | Train and over-voltage and under-voltage detection device for train storage battery charging |
| CN111982550A (en) * | 2019-05-21 | 2020-11-24 | 光环科技股份有限公司 | Burn-in test machine with monitoring device and monitoring method thereof |
-
2017
- 2017-11-24 CN CN201721591142.5U patent/CN207424613U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982550A (en) * | 2019-05-21 | 2020-11-24 | 光环科技股份有限公司 | Burn-in test machine with monitoring device and monitoring method thereof |
| CN110596605A (en) * | 2019-09-27 | 2019-12-20 | 新誉轨道交通科技有限公司 | Train and over-voltage and under-voltage detection device for train storage battery charging |
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