CN211403272U - Far-end voltage drop compensation device of power supply - Google Patents
Far-end voltage drop compensation device of power supply Download PDFInfo
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- CN211403272U CN211403272U CN202020607739.XU CN202020607739U CN211403272U CN 211403272 U CN211403272 U CN 211403272U CN 202020607739 U CN202020607739 U CN 202020607739U CN 211403272 U CN211403272 U CN 211403272U
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Abstract
The utility model discloses a far-end voltage drop compensation device of a power supply, which comprises a power supply detection annunciator, a far-end load detection annunciator, a power supply feedback transformer, a far-end load feedback transformer, a feedback signal judgment and processing unit, a signal control unit, a protection circuit unit and a power supply alarm; the power supply detection annunciator and the far-end load detection annunciator are respectively used for acquiring voltage signals of a power supply and a far-end load in real time, the power supply feedback transformer and the far-end load feedback transformer are respectively used for processing the voltage signals acquired by the power supply detection annunciator and the far-end load detection annunciator and transmitting the voltage signals to the feedback signal judgment processing unit, the feedback signal judgment processing unit is used for judging the running state of a circuit according to the voltage signals and sending an instruction, and the signal control unit is used for controlling the voltage output of the power supply. The device provided by the utility model realize the voltage of real-time regulation load end, ensure the voltage stability of load end.
Description
Technical Field
The utility model relates to a circuit voltage drop compensation field especially relates to a distal end voltage drop compensation arrangement of power.
Background
The original power supply output only carries out voltage sampling on the output end of the machine and feeds back the voltage to the control circuit to adjust related control parameters in real time so as to keep the voltage of the output end stable. However, when the distance between the power source and the load is long, the voltage finally delivered to the load end is reduced due to the existence of the line voltage drop, which is not favorable for the stable operation of the load.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a distal end pressure drop compensation arrangement of power has realized distal end load voltage stability, technical scheme is as follows:
the utility model provides a far-end voltage drop compensation device of a power supply, which comprises a power supply detection annunciator, a far-end load detection annunciator, a power supply feedback transformer, a far-end load feedback transformer, a feedback signal judgment and processing unit, a signal control unit, a protection circuit unit and a power supply alarm; the power supply detecting annunciator is connected to the feedback signal judging and processing unit through the power supply feedback transformer, the far-end load detecting annunciator is connected to the feedback signal judging and processing unit through the far-end load feedback transformer, the feedback signal judging and processing unit is also connected with the signal control unit and the protection circuit unit respectively, and the protection circuit unit is also connected with the power supply alarm;
the power supply detection annunciator and the far-end load detection annunciator are respectively used for acquiring voltage signals of a power supply and a far-end load in real time, the power supply feedback transformer and the far-end load feedback transformer are respectively used for processing the voltage signals acquired by the power supply detection annunciator and the far-end load detection annunciator and transmitting the processed voltage signals to the feedback signal judgment processing unit, the feedback signal judgment processing unit is used for judging the running state of a circuit according to the voltage signals and sending an instruction to the signal control unit and the protection circuit unit, the signal control unit is used for controlling the voltage output of the power supply, the protection circuit unit is used for controlling the power supply to be closed, and the power supply alarm is used for reminding a worker of the current state of the circuit.
Furthermore, the number of the remote load detection signal devices is at least one, and the remote load detection signal devices respectively detect loads at different distances.
Further, the signal control unit controls the voltage output of the power supply through GPRS, WIFI, 5G or Bluetooth.
Further, both the power supply flyback transformer and the remote load flyback transformer may attenuate or amplify the voltage signal.
Further, the feedback signal judgment processing unit can perform rectification processing on the voltage signals from the power supply feedback transformer and the remote load feedback transformer.
Further, the power detection signal is connected to an output terminal bank of a power supply for voltage sampling.
Further, the far-end load detection signal device is connected with the far-end load feedback transformer through a detection line.
Furthermore, the joint of the two ends of the detection line is subjected to error-proofing treatment.
Further, the power alarm comprises an indicator light and a horn.
Further, the indicator light can display different colors.
The utility model provides a beneficial effect that technical scheme brought as follows:
a. when the power supply is loaded remotely, the voltage of the load end is adjusted in real time by the voltage compensation device, so that the voltage stability of the load end is ensured;
b. when the far-end load voltage is abnormal, the protection measures can be timely carried out on the circuit.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a structural diagram of a far-end voltage drop compensation device of a power supply according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
In an embodiment of the present invention, a remote voltage drop compensation device for a power supply is provided, and the specific structure is shown in fig. 1, which includes a power supply detection signal device, a remote load detection signal device, a power supply feedback transformer, a remote load feedback transformer, a feedback signal judgment processing unit, a signal control unit, a protection circuit unit and a power supply alarm; one end of the power supply detection annunciator is connected to an output terminal row of a power supply, the other end of the power supply detection annunciator is connected to the feedback signal judgment and processing unit through the power supply feedback transformer, the far-end load detection annunciator is connected to the far-end load feedback transformer through a detection line, the far-end load feedback transformer is connected with the feedback signal judgment and processing unit, the feedback signal judgment and processing unit is further connected with the signal control unit and the protection circuit unit respectively, the protection circuit unit is further connected with the power supply alarm, and the power supply alarm comprises an indicator light and a loudspeaker.
In an embodiment of the present invention, the number of the far-end load detection annunciators is at least one (for example, two), and the far-end load detection annunciators can detect the loads at different distances simultaneously.
In an embodiment of the present invention, the remote voltage drop compensation device performs error-proof processing on the detection line of the remote end, so that the power supply alarm does not have power output when the device is installed with or without error connection.
When the device provided by the utility model operates, a smaller voltage signal is output for testing after the power supply is started, and the power supply detection annunciator and the far-end load detection annunciator respectively collect the voltage signals of the power supply and the far-end load in real time; the power supply feedback transformer and the far-end load feedback transformer respectively weaken the voltage signals collected by the power supply detection signal device and the far-end load detection signal device and transmit the weakened voltage signals to the feedback signal judgment processing unit; the feedback signal judgment processing unit precisely rectifies voltage signals transmitted by the power supply feedback transformer and the remote load feedback transformer and compares the voltage difference between the two voltage signals; if the voltage difference exceeds the set range, the power supply wiring is judged to be abnormal, and the phenomenon of missed wiring or wrong wiring exists, at the moment, the feedback signal judgment processing unit generates an alarm instruction and sends the alarm instruction to the protection circuit unit, and the protection circuit unit controls the power supply to be turned off and triggers the power supply alarm to work; if the voltage difference value is within the set range, the power supply wiring is judged to be correct, when the voltage reduction of the far-end load is detected, the feedback signal judgment processing unit generates a voltage regulation instruction and sends the voltage regulation instruction to the signal control unit, the signal control unit controls the voltage output of the power supply through GPRS, WIFI, 5G or Bluetooth, the voltage of the load is stabilized within the error range of +/-1% of the set value, the circuit voltage drop is overcome, stable working power is provided for the load, and the voltage of the far-end load is detected in real time, so that the signal control unit can adjust the voltage output of the power supply in real time to ensure that the voltage of the far-end load is always within a reasonable range. When the circuit judges that the circuit normally operates, the indicator light is displayed as green, and the loudspeaker does not work; when the circuit judges that the circuit is abnormal, the indicator light displays red, and the loudspeaker works.
The device provided by the utility model can make the load end under very far transmission distance, overcome the circuit pressure drop, finally obtain accurate voltage, the voltage stability of load end can reach 1% moreover.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A far-end voltage drop compensation device of a power supply is characterized by comprising a power supply detection annunciator, a far-end load detection annunciator, a power supply feedback transformer, a far-end load feedback transformer, a feedback signal judgment processing unit, a signal control unit, a protection circuit unit and a power supply alarm; the power supply detecting annunciator is connected to the feedback signal judging and processing unit through the power supply feedback transformer, the far-end load detecting annunciator is connected to the feedback signal judging and processing unit through the far-end load feedback transformer, the feedback signal judging and processing unit is also connected with the signal control unit and the protection circuit unit respectively, and the protection circuit unit is also connected with the power supply alarm;
the power supply detection annunciator and the far-end load detection annunciator are respectively used for acquiring voltage signals of a power supply and a far-end load in real time, the power supply feedback transformer and the far-end load feedback transformer are respectively used for processing the voltage signals acquired by the power supply detection annunciator and the far-end load detection annunciator and transmitting the processed voltage signals to the feedback signal judgment processing unit, the feedback signal judgment processing unit is used for judging the running state of a circuit according to the voltage signals and sending an instruction to the signal control unit and the protection circuit unit, the signal control unit is used for controlling the voltage output of the power supply, the protection circuit unit is used for controlling the power supply to be closed, and the power supply alarm is used for reminding a worker of the current state of the circuit.
2. The apparatus of claim 1, wherein the number of the remote load detecting signals is at least one, and the at least one remote load detecting signal is used for detecting loads at different distances.
3. The far-end voltage drop compensation device of claim 1, wherein the signal control unit controls the voltage output of the power supply through GPRS, WIFI, 5G or Bluetooth.
4. The remote droop compensation apparatus for a power supply of claim 1, wherein said power supply flyback transformer and said remote load flyback transformer are each capable of attenuating or amplifying a voltage signal.
5. The remote voltage drop compensation device of claim 1, wherein the feedback signal determination processing unit is capable of rectifying the voltage signals from the power supply feedback transformer and the remote load feedback transformer.
6. The remote droop compensation apparatus according to claim 1, wherein the power detection signal is connected to an output terminal of the power supply for voltage sampling.
7. The remote voltage drop compensation device of claim 1, wherein the remote load detection signal is connected to the remote load feedback transformer through a detection line.
8. The far-end voltage drop compensation device of claim 7, wherein the connection between the two ends of the detection line is error-proof.
9. The remote droop compensation apparatus of claim 1, wherein the power alarm comprises an indicator light and a speaker.
10. The remote voltage drop compensation device of claim 9, wherein said indicator light is capable of displaying different colors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020607739.XU CN211403272U (en) | 2020-04-22 | 2020-04-22 | Far-end voltage drop compensation device of power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020607739.XU CN211403272U (en) | 2020-04-22 | 2020-04-22 | Far-end voltage drop compensation device of power supply |
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| Publication Number | Publication Date |
|---|---|
| CN211403272U true CN211403272U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020607739.XU Active CN211403272U (en) | 2020-04-22 | 2020-04-22 | Far-end voltage drop compensation device of power supply |
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| CN (1) | CN211403272U (en) |
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2020
- 2020-04-22 CN CN202020607739.XU patent/CN211403272U/en active Active
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