CN210427683U - Digital multifunctional electric power measuring instrument - Google Patents
Digital multifunctional electric power measuring instrument Download PDFInfo
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- CN210427683U CN210427683U CN201920654085.3U CN201920654085U CN210427683U CN 210427683 U CN210427683 U CN 210427683U CN 201920654085 U CN201920654085 U CN 201920654085U CN 210427683 U CN210427683 U CN 210427683U
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Abstract
The utility model discloses a multi-functional electric power measuring apparatu of digital, including measuring apparatu body, display panel, CPU and power pack, the both sides of measuring apparatu body bottom all are fixed with rubber foot pad, the articulated handle in upper end of measuring apparatu body both sides, the upper surface of measuring apparatu body is provided with the recess, and the edge of recess articulates there is the display panel, and shows that the thickness of plate equals the degree of depth of recess, install the output board on the positive inner wall of measuring apparatu body, install sampling board, CPU and measurement chip on the inner wall of measuring apparatu body side respectively, the power pack is installed to the inside rear end of measuring apparatu body, and the internally mounted of power pack has the power pack, one side of power interface is provided with RS485 distal. The utility model discloses single function instrument for before, a lot of discrete components have been lacked, have reduced the installation volume, only need carry out software modification or debugging to CPU, can satisfy the user's needs greatly to reduce the pressure on the hardware design.
Description
Technical Field
The utility model relates to an electronic instrument technical field specifically is a multi-functional electric power measuring apparatu of digital.
Background
The existing electric meters mainly comprise a pointer type electric meter and a single-function digital electric meter, the pointer type electric meter takes pointer deflection as an electric quantity indication standard, a moving coil, a hairspring and the like are adopted as measurement structures inside the pointer type electric meter, and the pointer type electric meter has the defects of small volume of the moving coil and the hairspring, high difficulty in working, difficulty in mastering production, poor precision and the like;
the digital power meter with single function is improved by adding electronic devices on the basis of a pointer type meter, and has the advantages of high precision, visual display and the like, but has the defects of large volume, complex design, troublesome debugging, difficulty in parameter change and networking and the like because the digital power meter is constructed by adopting products such as a large-volume integrated circuit and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-functional electric power measuring apparatu of digital to the pointer electric power instrument who proposes in solving above-mentioned background art all uses the pointer to deflect as the electric quantity indicating standard, and inside adopts movable coil and hairspring etc. as measurement structure, because the same volume of movable coil and hairspring is little, the degree of difficulty of doing work is big, and the production is difficult to master and the problem of shortcoming such as precision difference.
In order to achieve the above object, the utility model provides a following technical scheme: a digital multifunctional electric power measuring instrument comprises a measuring instrument body, a display panel, a CPU and a power supply box, wherein rubber foot pads are fixed on two sides of the bottom of the measuring instrument body, handles are hinged to the upper ends of two sides of the measuring instrument body, a groove is formed in the upper surface of the measuring instrument body, a display panel is hinged to the edge of the groove, the thickness of the display panel is equal to the depth of the groove, an output panel is mounted on the inner wall of the front side of the measuring instrument body, a sampling panel, the CPU and a measuring chip are mounted on the inner wall of the side surface of the measuring instrument body respectively, the power supply box is mounted at the rear end of the inside of the measuring instrument body, the power supply panel is mounted inside the power supply box, a wiring port is formed in the side wall of the measuring instrument body below the output panel and connected, and power source passes through the wire and is connected with the pin of power strip, one side of power source is provided with RS485 distal end interface, and the output of RS485 distal end interface and CPU's input electric connection, the output of sampling board and the input electric connection of measurement chip, the output of measurement chip and CPU's input electric connection, CPU's output and output board's input electric connection, the output of output board and the input electric connection of display panel, and the output of display panel and CPU's input electric connection, the one end of power strip is passed through the wire and is connected with sampling board, measurement chip and RS485 distal end interface electricity respectively, and the other end of power strip passes through the wire and is connected with CPU, output board and display panel electricity respectively.
Preferably, two magnets are fixed on the back of the display panel, and two same magnets are fixed on the front of the measuring instrument body at positions corresponding to the display panel.
Preferably, the power panel is provided with two output pins, which are a pin capable of outputting a 30mA 3.3V dc power supply and a pin capable of outputting a 50mA 12V dc power supply.
Preferably, a photoelectric coupler is welded at the middle position of the power panel.
Preferably, a heat dissipation port is arranged in the middle of the back of the measuring instrument body, a heat dissipation fan is installed on the inner side of the heat dissipation port, and the heat dissipation fan is electrically connected with the power panel through a wire.
Compared with the prior art, the beneficial effects of the utility model are that:
1. compared with the prior single-function instrument, a plurality of discrete elements are omitted, the installation volume is reduced, only software modification or debugging is needed to be carried out on a CPU, the requirement of a user can be greatly met, and the pressure on hardware design is reduced;
2. the high-reliability dual-control output power supply is adopted, one path of the power supply can output 30mA 3.3V direct current for the use of a CPU and a display panel, and the other path of the power supply can output 50mA 12V direct current for the use of an output panel and an RS485 interface, so that the stable use of the measuring instrument is ensured, and the middle part of the double-power output is isolated by a photoelectric coupler without mutual interference;
3. the CPU inputs the electric quantity parameter acquired by a direct interface of the metering chip and is in input butt joint with the display panel so as to acquire input intelligent information;
4. the remote control, remote signaling and remote measuring functions are realized through the RS485 remote transmission port at the rear end of the product, and remote observation can be easily realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the back structure of the present invention;
fig. 3 is a system connection block diagram of the present invention;
fig. 4 is a circuit diagram of an output board of the present invention;
fig. 5 is a circuit diagram of a sampling plate of the present invention;
fig. 6 is a circuit diagram of the power panel of the present invention;
fig. 7 is a circuit diagram of a display panel according to the present invention;
fig. 8 is a circuit diagram of the display panel of the present invention.
In the figure: 1. a rubber foot pad; 2. a gauge body; 3. a magnet; 4. an output plate; 5. a handle; 6. A display panel; 7. a groove; 8. a sampling plate; 9. a CPU; 10. a wiring port; 11. a metering chip; 12. a power supply box; 13. a power panel; 14. a photoelectric coupler; 15. a power interface; 16. a heat dissipation port; 17. a heat radiation fan; 18. and an RS485 remote interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a digital multifunctional power measuring instrument comprises a measuring instrument body 2, a display panel 6, a CPU9 and a power supply box 12, wherein rubber foot pads 1 are fixed on two sides of the bottom of the measuring instrument body 2, the measuring instrument is prevented from being damaged due to collision when placed, handles 5 are hinged to the upper ends of two sides of the measuring instrument body 2, a groove 7 is formed in the upper surface of the measuring instrument body 2, a display panel 6 is hinged to the edge of the groove 7, the display panel 6 is 96LED display panels V2.8, specific circuit diagrams can refer to figures 7 and 8, the thickness of the display panel 6 is equal to the depth of the groove 7, two magnets 3 are fixed on the back of the display panel 6, two same magnets 3 are fixed at positions, corresponding to the display panel 6, on the front of the measuring instrument body 2, the display panel 6 is rotatably stored in the groove 7 when not used, a user turns the display panel 6 out and fixes the display panel through, damage caused by collision is avoided;
an output board 4 is installed on the inner wall of the front side of the measuring instrument body 2, the output board 4 is a 96-LED multifunctional output board, a specific circuit diagram can refer to fig. 4, a sampling board 8, a CPU9 and a metering chip 11 are respectively installed on the inner wall of the side surface of the measuring instrument body 2, the type of the sampling board 8 is the 96-LED multifunctional sampling board, a specific circuit diagram can refer to fig. 5, the CPU9 is an 8-bit high-performance single chip microcomputer of taiwan shengquan, the metering chip 11 is a shanghai juqiquan photoelectric technology product, a power supply box 12 is installed at the rear end of the inside of the measuring instrument body 2, a power supply board 13 is installed inside the power supply box 12, the power supply board 13 is a 96-LED multifunctional power supply board, a specific circuit diagram can refer to fig. 6, a photoelectric coupler 14 is welded at the middle position of the power supply board 13, the type of the photoelectric coupler 14 can be TLP521-1GB, the wiring port 10 is connected with the pin of the output board 4 through a wire, the back of the measuring instrument body 2 at the position of the power box 12 is provided with a power interface 15, the power interface 15 is connected with the pin of the power board 13 through a wire, one side of the power interface 15 is provided with an RS485 remote interface 18, and the output end of the RS485 remote interface 18 is electrically connected with the input end of the CPU 9;
the output end of the sampling plate 8 is electrically connected with the input end of the metering chip 11, the output end of the metering chip 11 is electrically connected with the input end of the CPU9, the output end of the CPU9 is electrically connected with the input end of the output plate 4, the output end of the output plate 4 is electrically connected with the input end of the display panel 6, the output end of the display panel 6 is electrically connected with the input end of the CPU9, two output pins are arranged on the power panel 13, namely a pin capable of outputting 30mA 3.3V DC power and a pin capable of outputting 50mA 12V DC power respectively, a dual-control output power is adopted, the middle part of the dual power supplies is isolated through the photoelectric coupler 14, the normal use of the measuring instrument is ensured, the dual power supply does not interfere with each other, one end of the power panel 13 is electrically connected with the sampling plate 8, the metering chip 11 and the RS485 far-end interface 18 through leads, The output board 4 and the display board 6 are electrically connected, a heat dissipation port 16 is arranged at the middle position of the back surface of the measuring instrument body 2, a heat dissipation fan 17 is installed on the inner side of the heat dissipation port 16, the type of the heat dissipation fan 17 can be 3010, and the heat dissipation fan 17 is electrically connected with the power supply board 13 through a wire to dissipate heat inside the measuring instrument.
The working principle is as follows:
the measuring instrument adopts a high-precision double-output control power supply, the power supplies are isolated from each other and do not interfere with each other, and high-efficiency continuous power supply can be realized for the CPU9 and the control function;
the display panel 6 which can display and control is adopted, so that the bad phenomena of key blocking, failure and the like caused by the prior soft touch key can be effectively prevented;
an RS485 remote interface 18 is adopted and matched with a MODEBUS-RTU standard protocol. And then remotely connecting with configuration software to realize intelligent management.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a multi-functional electric power measuring apparatu of digital, includes measuring apparatu body (2), display panel (6), CPU (9) and power pack (12), its characterized in that: the measuring instrument is characterized in that rubber foot pads (1) are fixed on two sides of the bottom of the measuring instrument body (2), handles (5) are hinged to the upper ends of two sides of the measuring instrument body (2), a groove (7) is formed in the upper surface of the measuring instrument body (2), a display panel (6) is hinged to the edge of the groove (7), the thickness of the display panel (6) is equal to the depth of the groove (7), an output panel (4) is installed on the front inner wall of the measuring instrument body (2), a sampling panel (8), a CPU (9) and a metering chip (11) are installed on the inner wall of the side surface of the measuring instrument body (2) respectively, a power supply box (12) is installed at the rear end of the interior of the measuring instrument body (2), a power supply board (13) is installed inside the power supply box (12), a wiring port (10) is formed in the side wall of the measuring instrument body (2) below the output panel (, the back of the measuring instrument body (2) at the position of the power supply box (12) is provided with a power supply interface (15), the power supply interface (15) is connected with a pin of a power supply board (13) through a lead, one side of the power supply interface (15) is provided with an RS485 far-end interface (18), the output end of the RS485 far-end interface (18) is electrically connected with the input end of a CPU (9), the output end of a sampling board (8) is electrically connected with the input end of a metering chip (11), the output end of the metering chip (11) is electrically connected with the input end of the CPU (9), the output end of the CPU (9) is electrically connected with the input end of an output board (4), the output end of the output board (4) is electrically connected with the input end of a display board (6), the output end of the display board (6) is electrically connected with the input end of the CPU (9), one end of the power supply board (13, The metering chip (11) is electrically connected with the RS485 far-end interface (18), and the other end of the power panel (13) is electrically connected with the CPU (9), the output panel (4) and the display panel (6) through wires respectively.
2. A digital multifunctional power measuring instrument according to claim 1, characterized in that: two magnets (3) are fixed on the back of the display panel (6), and two same magnets (3) are fixed on the position, corresponding to the display panel (6), of the front of the measuring instrument body (2).
3. A digital multifunctional power measuring instrument according to claim 1, characterized in that: the power panel (13) is provided with two output pins, namely a pin capable of outputting a 30mA 3.3V direct current power supply and a pin capable of outputting a 50mA 12V direct current power supply.
4. A digital multifunctional power measuring instrument according to claim 1, characterized in that: and a photoelectric coupler (14) is welded in the middle of the power panel (13).
5. A digital multifunctional power measuring instrument according to claim 1, characterized in that: the middle position of the back of the measuring instrument body (2) is provided with a heat dissipation port (16), a heat dissipation fan (17) is installed on the inner side of the heat dissipation port (16), and the heat dissipation fan (17) is electrically connected with the power panel (13) through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920654085.3U CN210427683U (en) | 2019-05-09 | 2019-05-09 | Digital multifunctional electric power measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920654085.3U CN210427683U (en) | 2019-05-09 | 2019-05-09 | Digital multifunctional electric power measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210427683U true CN210427683U (en) | 2020-04-28 |
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ID=70370996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920654085.3U Active CN210427683U (en) | 2019-05-09 | 2019-05-09 | Digital multifunctional electric power measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210427683U (en) |
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2019
- 2019-05-09 CN CN201920654085.3U patent/CN210427683U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325600 No. 299, Weiqi Road, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Shide Electric Group Co.,Ltd. Address before: 325600 shangmi'ao Industrial Zone, Lecheng Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: SHIDE ELECTRIC Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Mamba Intelligent Technology Co.,Ltd. Assignor: Shide Electric Group Co.,Ltd. Contract record no.: X2023980039869 Denomination of utility model: A digital multifunctional power measuring instrument Granted publication date: 20200428 License type: Common License Record date: 20230817 |