CN215768852U - DC multi-loop power supply device - Google Patents
DC multi-loop power supply device Download PDFInfo
- Publication number
- CN215768852U CN215768852U CN202122173557.3U CN202122173557U CN215768852U CN 215768852 U CN215768852 U CN 215768852U CN 202122173557 U CN202122173557 U CN 202122173557U CN 215768852 U CN215768852 U CN 215768852U
- Authority
- CN
- China
- Prior art keywords
- loop
- circuit
- display
- analog
- power supply
- 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
- 238000002474 experimental method Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
- 238000011161 development Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to the field of development of direct-current multi-loop power supply devices, in particular to a direct-current multi-loop power supply device capable of supplying power to three direct-current loops simultaneously. The direct-current multi-loop power supply device comprises an outer shell, an analog-digital circuit module, an AC/DC rectifying circuit and a shunt circuit, and can simultaneously supply power to three or less loops for experiments, so that repeated experiments are reduced; converting the electrical quantity into a digital signal through an analog-digital circuit module, and finally transmitting the received digital signal to a display of an outer shell of the device through a CPU (central processing unit) to visually display the magnitude of current in an experimental loop in a numerical form; the experimental data are transmitted to the handheld device through the wireless sensing circuit, so that the number of loops put into an experiment can be remotely controlled, and the experimental data can be remotely read.
Description
Technical Field
The utility model relates to the field of development of direct-current multi-loop power supply devices, in particular to a direct-current multi-loop power supply device capable of supplying power to three direct-current loops simultaneously.
Background
With the rapid development of the direct current transmission technology, the voltage level is continuously improved, and various corresponding test devices are continuously improved and updated. Taking a direct-current withstand voltage test of a cross-linked polyethylene cable as an example, a traditional single-loop direct-current power supply device mainly comprises a converter transformer, only one loop power supply can be tested each time, and the magnitude of current in an experimental loop can be obtained only by reading the number indicated by microampere.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problems and develops a direct-current multi-loop power supply device. The device can simultaneously supply power to three or less loops, so that the repeated experiments are reduced; the magnitude of the current in the experimental loop is directly displayed on the display in a numerical value form through the analog-digital circuit module, so that the experimental operation is simplified, and the direct-current experimental efficiency is greatly improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
direct current multiloop power supply unit, including shell body, analog-digital circuit module, AC/DC rectifier circuit and shunt circuit, wherein:
the outer shell comprises a base, a support, a display and an outgoing line, the bottom end of the support is connected with the base, the upper end of the support is connected with the display, and a loop I display screen, a loop II display screen and a loop III display screen are arranged on the display; the top end of the display is connected with an outgoing line through a BNC connector, direct current is conducted into a loop to be tested at the outgoing line so as to carry out a test experiment, and a loop one display screen, a loop two display screen and a loop three display screen on the display respectively correspond to the loop one outgoing line, the loop two outgoing line and the loop three outgoing line;
the AC/DC rectifying circuit and the shunt circuit are fixedly arranged in a bracket of the outer shell, the AC/DC rectifying circuit is connected with an alternating current power supply and the shunt circuit, the AC/DC rectifying circuit converts alternating current into direct current, and the shunt circuit shunts the direct current into three equal currents;
the analog-digital circuit module is fixedly installed in the support of the outer shell and comprises an analog data collector, an analog-to-digital (A/D) converter and a Central Processing Unit (CPU), the analog data collector is connected with the shunt circuit, the equally divided current passes through the analog data collector, the analog data collector records and transmits the measuring result to the A/D converter, the A/D converter transmits the measuring result to the CPU, and the CPU transmits the received digital information to the display.
Furthermore, the analog digital circuit module also comprises a wireless sensing circuit, the wireless sensing circuit is connected with the CPU, and the wireless sensing circuit is connected with external handheld equipment through a ZigBee wireless communication technology.
Furthermore, the base is in a round table shape, the support is in a hollow cylindrical shape, the diameter of the support is smaller than that of the base, and the stability of the device is maintained.
The working process and principle of the utility model are as follows:
when three-phase alternating current passes through the AC/DC rectifying circuit 6, single-loop direct current required by a direct-current withstand voltage test is generated, the generated single-loop direct current is divided into three equal currents after passing through the shunt circuit 7, so that three direct-current loops are formed, the divided currents pass through the analog data collector 8, the analog data collector 8 records and transmits a measurement result to the A/D converter 9, the measured analog quantity is converted into a digital quantity through the A/D converter 9, the digital quantity is transmitted to the CPU10, the CPU10 transmits the received digital information to the display 2, the display 2 displays the received digital information on a loop one display screen, a loop two display screen and a loop three display screen, the CPU10 transmits the received digital information to the display 2 and also transmits the received digital information to the wireless sensing circuit 11, and the wireless sensing circuit 11 adopts a ZigBee wireless communication technology, the digital signals processed by the CPU are transmitted to the handheld equipment in a wireless transmission mode, so that the experimental data can be read remotely; meanwhile, the handheld device can also transmit a control signal for controlling the number of loops put into the experiment to the wireless sensing circuit 11 through the ZigBee wireless communication technology, and the wireless sensing circuit 11 transmits the received control signal to the CPU10, so that the number of loops put into the experiment is controlled.
Compared with the prior art, the utility model has the beneficial effects that:
1. compared with the traditional direct current single-loop experimental equipment, the direct current multi-loop power supply device developed by the utility model can simultaneously supply power to three or less loops to perform experiments, so that the repeated experiments are reduced;
2. converting the electrical quantity into a digital signal through an analog-digital circuit module, and finally transmitting the received digital signal to a display of an outer shell of the device through a CPU (central processing unit) to visually display the magnitude of current in an experimental loop in a numerical form;
3. the experimental data are transmitted to the handheld device through the wireless sensing circuit, so that the number of loops put into an experiment can be remotely controlled, and the experimental data can be remotely read.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a block diagram of a dc multi-loop power supply apparatus according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an analog-to-digital circuit module in the dc multi-loop power supply apparatus according to embodiment 1 of the present invention;
in the figure, the device comprises a lead-out wire 1, a lead-out wire 2, a display 3, an analog-digital circuit module 4, a support 5, a base 6, an AC/DC rectifying circuit 7, a shunt circuit 8, an analog data collector 9, an A/D converter 10, a CPU 11 and a wireless sensing circuit.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the DC multi-loop power supply device includes an outer casing, an analog-digital circuit module 3, an AC/DC rectifying circuit and a shunt circuit, wherein:
the outer shell comprises a base 5, a support 4, a display 2 and an outgoing line 1, wherein the bottom end of the support 5 is connected with the base, in order to increase the stability of the direct-current multi-loop power supply device, the base 5 is designed to be a circular table with the lower diameter of 1m and the upper diameter of 0.5m, and the support is designed to be a cylinder with the diameter of 0.3m and the height of 1 m; the upper end of the bracket 4 is connected with a display 2, the display 2 is rectangular with the length of 0.4m, the width of 0.2m and the height of 0.2m, and the display 2 is fixedly embedded with a loop I display screen, a loop II display screen and a loop III display screen; lead-out wire 1 is 3 long m cables, connects on 2 tops of display through the BNC joint, and 3 lead-out wires 1 correspond return circuit one display screen, two display screens in return circuit and the three display screens in return circuit on the display 2 respectively. When the experiment needs to be carried out on three loops simultaneously, three outgoing lines 1 with the length of 2M are respectively connected into the three loops to be tested to form a closed loop, and the current in the experimental loop passes through the analog-digital circuit module 3.
As shown in fig. 2, the analog-digital circuit module 3, the AC/DC rectifying circuit 6 and the shunt circuit 7 are fixedly installed in the bracket 4 of the outer housing, and the analog-digital circuit module 3 includes an analog data collector 8, an a/D converter 9, a CPU10 and a wireless sensing circuit; the AC/DC rectifying circuit 6 is connected with an alternating current power supply and a shunt circuit 7, the AC/DC rectifying circuit 6 converts alternating current into direct current, the shunt circuit 7 shunts the direct current into three equal currents, the shunt circuit 7 is connected with an analog data collector 8, the equally divided currents pass through the analog data collector 8, the analog data collector 8 records and transmits measurement results to an A/D converter 9, the A/D converter 9 transmits the measurement results to a CPU10, the CPU10 is connected with a display 2 and a wireless sensing circuit 11, the wireless sensing circuit 11 is connected with external handheld equipment through a ZigBee wireless communication technology, the CPU10 transmits received digital information to the display 2 and the wireless sensing circuit 11, so that the magnitude of the current in an experimental loop is directly displayed on the display 2 in a numerical form, and the experimental data can be read remotely, and the number of loops of the direct-current multi-loop power supply device put into the experiment can be controlled by the handheld device.
The working process and principle of the utility model are as follows:
when three-phase alternating current passes through the AC/DC rectifying circuit 6, single-loop direct current required by a direct-current withstand voltage test is generated, the generated single-loop direct current is divided into three equal currents after passing through the shunt circuit 7, the divided currents pass through the analog data collector 8, the analog data collector 8 processes a received analog current signal and transmits the processed signal to the A/D converter 9, the A/D converter 9 converts a measured analog quantity into a digital quantity and transmits the digital quantity to the CPU10, the CPU10 transmits received digital information to the display 2, the display 2 displays the received digital information on a loop one display screen, a loop two display screen and a loop three display screen, the CPU10 transmits the received digital information to the display 2 and also transmits the received digital information to the wireless sensing circuit 11, the wireless sensing circuit 11 adopts a ZigBee wireless communication technology, the digital signals processed by the CPU are transmitted to the handheld equipment in a wireless transmission mode, so that the experimental data can be read remotely; meanwhile, the handheld device can also transmit a control signal for controlling the number of loops put into the experiment to the wireless sensing circuit 11 through the ZigBee wireless communication technology, and the wireless sensing circuit 11 transmits the received control signal to the CPU10, so that the number of loops put into the experiment is controlled.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. Direct current multiloop power supply unit, its characterized in that includes shell body, analog-to-digital circuit module, AC/DC rectifier circuit and shunt circuit, wherein:
the outer shell comprises a base, a support, a display and an outgoing line, the bottom end of the support is connected with the base, the upper end of the support is connected with the display, and a loop I display screen, a loop II display screen and a loop III display screen are arranged on the display; the top end of the display is connected with an outgoing line through a BNC connector, direct current is conducted into a loop to be tested at the outgoing line so as to carry out a test experiment, and a loop one display screen, a loop two display screen and a loop three display screen on the display respectively correspond to the loop one outgoing line, the loop two outgoing line and the loop three outgoing line;
the AC/DC rectifying circuit and the shunt circuit are fixedly arranged in a bracket of the outer shell, the AC/DC rectifying circuit is connected with an alternating current power supply and the shunt circuit, the AC/DC rectifying circuit converts alternating current into direct current, and the shunt circuit shunts the direct current into three equal currents;
the analog-digital circuit module is fixedly installed in the support of the outer shell and comprises an analog data collector, an analog-to-digital (A/D) converter and a Central Processing Unit (CPU), the analog data collector is connected with the shunt circuit, the equally divided current passes through the analog data collector, the analog data collector records and transmits the measuring result to the A/D converter, the A/D converter transmits the measuring result to the CPU, and the CPU transmits the received digital information to the display.
2. The direct-current multi-loop power supply device according to claim 1, wherein the analog-digital circuit module further comprises a wireless sensing circuit, the wireless sensing circuit is connected with the CPU, and the wireless sensing circuit is connected with an external handheld device through a ZigBee wireless communication technology.
3. The dc multiple-circuit power supply device according to claim 1, wherein the base is in a shape of a truncated cone, the support is in a shape of a hollow cylinder, and the diameter of the support is smaller than that of the base, so as to maintain the stability of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122173557.3U CN215768852U (en) | 2021-09-09 | 2021-09-09 | DC multi-loop power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122173557.3U CN215768852U (en) | 2021-09-09 | 2021-09-09 | DC multi-loop power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215768852U true CN215768852U (en) | 2022-02-08 |
Family
ID=80085635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122173557.3U Active CN215768852U (en) | 2021-09-09 | 2021-09-09 | DC multi-loop power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215768852U (en) |
-
2021
- 2021-09-09 CN CN202122173557.3U patent/CN215768852U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2010005658A1 (en) | Wireless current transformer | |
| CN110780175A (en) | Multifunctional high-voltage electrical equipment insulation testing device | |
| CN214750597U (en) | Transformer on-line state automatic detection device | |
| CN215768852U (en) | DC multi-loop power supply device | |
| CN201126458Y (en) | Power line detection apparatus | |
| CN107561413A (en) | A kind of electric power power transmission and transformation Intelligent failure monitoring device | |
| CN208568115U (en) | A kind of CT takes electric temperature measuring equipment | |
| CN216956221U (en) | Non-invasive AC-DC line conductor current sensing device | |
| CN205450243U (en) | Fault indicator coil tester | |
| CN107040286A (en) | A kind of enhanced power carrier signal sensor | |
| CN210090637U (en) | On-line monitoring device for electric service life of three-phase vacuum circuit breaker | |
| CN209841958U (en) | Voltage waveform extraction device | |
| CN208421145U (en) | A kind of novel spark detection device | |
| CN207882332U (en) | system for detecting transformer iron core grounding current | |
| CN207923984U (en) | A kind of wireless Rogowski coil integrator | |
| CN219085058U (en) | Cable insulation detector | |
| CN210073562U (en) | Sampling device and intelligent air switch | |
| CN216979169U (en) | Grounding current monitoring device and system | |
| CN209858629U (en) | Intelligent microsystem device for electric circuit current detection | |
| CN107394800B (en) | Three-phase power supply system | |
| CN115469147A (en) | Non-contact voltage measurement system and method | |
| CN2430691Y (en) | High voltage and super high voltage photoelectric isolated current mutual inductor | |
| CN213149071U (en) | Voltage transformer integrated measuring device | |
| CN216285655U (en) | High-voltage interphase short circuit detection equipment | |
| CN210401506U (en) | Transformer grounding current monitoring circuit and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |