CN215375546U - Multifunctional electricity meter with uninterrupted power supply verification function - Google Patents
Multifunctional electricity meter with uninterrupted power supply verification function Download PDFInfo
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- CN215375546U CN215375546U CN202022937031.3U CN202022937031U CN215375546U CN 215375546 U CN215375546 U CN 215375546U CN 202022937031 U CN202022937031 U CN 202022937031U CN 215375546 U CN215375546 U CN 215375546U
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Abstract
The utility model discloses a multifunctional ammeter with a non-power-outage checking function, which comprises a multifunctional ammeter, wherein one side of the multifunctional ammeter is provided with a voltage switching knob A, a voltage switching knob B and a voltage switching knob C, the other side of the multifunctional ammeter is provided with a current switching knob A, a current switching knob B and a current switching knob C, one side of the multifunctional ammeter is provided with a current transformer secondary side short circuit pressing plate A, a current transformer secondary side short circuit pressing plate B and a current transformer secondary side short circuit pressing plate C, a voltage collecting point is switched from incoming line voltage to external input voltage by switching the voltage switching knob, the current transformer secondary side short circuit pressing plate is used for short circuit of the current transformer secondary side, the incoming line current is switched to external current by switching the current switching knob after short circuit, the measurement work can be carried out, and equipment can still keep running in the process, and recovering the state without checking after the operation is finished.
Description
Technical Field
The utility model relates to the technical field of multifunctional electric meters, in particular to a multifunctional electric meter with a non-power-outage verification function.
Background
The multifunctional electric energy meter has more than two functions of time sharing, demand measurement and the like besides active power measurement, can display, store and output data, is also applied to a low-voltage system of an incinerator power plant, and needs to be checked frequently during use.
The multifunctional electric meter has the following defects that 1, the multifunctional electric meter with low voltage in the incinerator power plant can be checked if needed, a switch is required to be turned off firstly, equipment operation is influenced, the overall production efficiency is influenced, and therefore the multifunctional electric meter with the function of checking without power outage is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multifunctional ammeter with a non-power-outage calibration function, which solves the problem that a low-voltage load multifunctional ammeter cannot be calibrated under the condition that primary equipment is not in power-off operation, and facilitates maintenance and regular inspection of the multifunctional ammeter.
The specific technical scheme provided by the utility model is as follows:
the utility model provides a multifunctional ammeter with a non-power-outage verification function, which comprises a multifunctional ammeter, one side of the multifunctional ammeter is provided with a voltage switching knob A, a voltage switching knob B and a voltage switching knob C, the other side of the multifunctional electric meter is provided with a current switching knob A, a current switching knob B and a current switching knob C, a current transformer secondary side short circuit pressing plate A, a current transformer secondary side short circuit pressing plate B and a current transformer secondary side short circuit pressing plate C are arranged on one side of the multifunctional ammeter, one side of the multifunctional ammeter is provided with a three-phase voltage input terminal A, a three-phase voltage input terminal B and a three-phase voltage input terminal C, three-phase current input terminal A, three-phase current input terminal B and three-phase current input terminal C are installed to multifunctional electric meter one side, N line input terminal and N line measurement terminal are installed to multifunctional electric meter one side.
Optionally, the three-phase voltage input terminal a, the three-phase voltage input terminal B and the three-phase voltage input terminal C are all close to one side of the voltage switching knob a, one side of the voltage switching knob B and one side of the voltage switching knob C with the multifunctional electricity meter.
Optionally, the current transformer secondary side short-circuit pressing plate a, the current transformer secondary side short-circuit pressing plate B, the current transformer secondary side short-circuit pressing plate C, the three-phase current input terminal a, the three-phase current input terminal B and the three-phase current input terminal C are all located on one side, close to the current switching knob a, the current switching knob B and the current switching knob C, of the surface of the multifunctional electric meter.
Optionally, the N-line input terminal and the N-line measurement terminal are both located on one side of the surface of the multifunctional electric meter, which is close to the current switching knob a, the current switching knob B and the current switching knob C.
The utility model has the following beneficial effects:
1. when the multifunctional meter is checked, the N line measuring terminal is switched to an external incoming line communicating state, the voltage switching knob A, the voltage switching knob B and the voltage switching knob C are switched to an external incoming line voltage communicating state, the current transformer secondary side short circuit pressing plate A, the current transformer secondary side short circuit pressing plate B and the current transformer secondary side short circuit pressing plate C are put into operation, the current switching knob A, the current switching knob B and the current switching knob C are switched to an incoming line current communicating state, the three-phase voltage input terminal A, the three-phase voltage input terminal B, the three-phase voltage input terminal C, the three-phase current input terminal A, the three-phase current input terminal B, the three-phase current input terminal C and the N line measuring terminal are externally connected with a measuring instrument to carry out measuring operation, the equipment can still keep running in the process, and the state when checking is not needed is recovered after the operation is finished, the convenience of verification is improved.
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 introduced 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 based on these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a multifunctional electric meter with a function of checking without power outage according to an embodiment of the present invention.
In the figure: 1. a voltage switching knob A; 2. a voltage switching knob B; 3. a voltage switching knob C; 4. a current switching knob A; 5. a current switching knob B; 6. a current switching knob C; 7. a secondary side of the current transformer is in short circuit with a pressure plate A; 8. a secondary side of the current transformer is in short circuit with a pressing plate B; 9. the secondary side of the current transformer is in short circuit with the pressing plate C; 10. a three-phase voltage input terminal a; 11. a three-phase voltage input terminal B; 12. a three-phase voltage input terminal C; 13. a three-phase current input terminal a; 14. a three-phase current input terminal B; 15. a three-phase current input terminal C; 16. an N-line input terminal; 17. n line measurement terminals.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. 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.
A multifunctional electric meter with a non-power-outage verification function according to an embodiment of the present invention will be described in detail with reference to fig. 1.
Referring to fig. 1, a multifunctional electric meter with a non-power-outage verification function according to an embodiment of the present invention includes a multifunctional electric meter, a voltage switching knob a1, a voltage switching knob B2, and a voltage switching knob C3 are installed at one side of the multifunctional electric meter, a current switching knob a4, a current switching knob B5, and a current switching knob C6 are installed at the other side of the multifunctional electric meter, a current transformer secondary side short circuit pressing plate a7, a current transformer secondary side short circuit pressing plate B8, and a current transformer secondary side short circuit pressing plate C9 are installed at one side of the multifunctional electric meter, a three-phase voltage input terminal a10, a three-phase voltage input terminal B11, and a three-phase voltage input terminal C12 are installed at one side of the multifunctional electric meter, a three-phase current input terminal a13, a three-phase current input terminal B14, and a three-phase current input terminal C15 are installed at one side of the multifunctional electric meter, an N-wire input terminal 16 and an N-wire measuring terminal 17 are installed on one side of the multifunctional electric meter.
Illustratively, when the multifunctional watch is checked, the N-wire measuring terminal 17 is switched to an external incoming wire voltage communication state, the voltage switching knob A1, the voltage switching knob B2 and the voltage switching knob C3 are switched to an external incoming wire voltage communication state, the current transformer secondary side short circuit pressing plate A7, the current transformer secondary side short circuit pressing plate B8 and the current transformer secondary side short circuit pressing plate C9 are put in, the current switching knob A4, the current switching knob B5 and the current switching knob C6 are switched to an incoming wire current communication state, the three-phase voltage input terminal A10, the three-phase voltage input terminal B11, the three-phase voltage input terminal C12, the three-phase current input terminal A13, the three-phase current input terminal B14, the three-phase current input terminal C15 and the N-wire measuring terminal 17 are externally connected with the measuring instrument, so that the measuring operation can be performed, the instrument can still be operated, and the state when the check is not required can be recovered after the operation is completed, the convenience of verification is improved.
When the multifunctional meter is verified, the N-line measuring terminal 17 is switched to an external inlet wire connection state, the voltage switching knob A1, the voltage switching knob B2 and the voltage switching knob C3 are switched to an external inlet wire voltage connection state, the current transformer secondary side short-circuit pressing plate A7, the current transformer secondary side short-circuit pressing plate B8 and the current transformer secondary side short-circuit pressing plate C9 are put into the external inlet wire voltage connection state, and the current switching knob A4, the voltage switching knob A1, the voltage switching knob B2 and the voltage switching knob C3 are switched to an inlet wire voltage connection state while the current switching knob A4, the current switching knob B5 and the current transformer secondary side short-circuit pressing plate C6 are switched to an external inlet wire voltage connection state to check the multifunctional meter, and the current switching knob A4, the current transformer secondary side short-circuit pressing plate B7, the current transformer secondary side short-circuit pressing plate B8 and the current transformer secondary side short-circuit pressing plate C9 are put into the external inlet wire connection state, The current switching knob B5 and the current switching knob C6 are switched to an incoming line current communication state, the three-phase voltage input end terminal A10, the three-phase voltage input end terminal B11, the three-phase voltage input end terminal C12, the three-phase current input end terminal A13, the three-phase current input end terminal B14, the three-phase current input end terminal C15 and the N line measuring terminal 17 are externally connected with a measuring instrument, and then measurement can be conducted.
It should be noted that the utility model is a multifunctional electricity meter with a function of checking without power outage, which comprises a voltage switching knob a1, a voltage switching knob B2, a voltage switching knob C3, a current switching knob a4, a current switching knob B5, a current switching knob C6, a current transformer secondary side short-circuit pressing plate a7, a current transformer secondary side short-circuit pressing plate B8, a current transformer secondary side short-circuit pressing plate C9, a three-phase voltage input terminal a10, a three-phase voltage input terminal B11, a three-phase voltage input terminal C12, a three-phase current input terminal a13, a three-phase current input terminal B14, a three-phase current input terminal C15, an N-line input terminal 16 and an N-line measuring terminal 17, all of which are universal standard components or components known by those skilled in the art, the structure and principle are known to the skilled person through technical manuals or through routine experimentation.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the utility model. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (4)
1. The utility model provides a multifunctional electricity meter that possesses check-up function of not having a power failure, includes multifunctional electricity meter, a serial communication port, multifunctional electricity meter installs voltage switch knob A (1), voltage switch knob B (2) and voltage switch knob C (3) in one side, current switch knob A (4), current switch knob B (5) and current switch knob C (6) are installed to the multifunctional electricity meter opposite side, current transformer secondary side short circuit clamp plate A (7), current transformer secondary side short circuit clamp plate B (8) and current transformer secondary side short circuit clamp plate C (9) are installed to multifunctional electricity meter one side, three-phase voltage input terminal A (10), three-phase voltage input terminal B (11) and three-phase voltage input terminal C (12) are installed to multifunctional electricity meter one side, three-phase current input terminal A (13) are installed to multifunctional electricity meter one side, Three-phase current input end terminal B (14) and three-phase current input end terminal C (15), N line input terminal (16) and N line measuring terminal (17) are installed to multifunctional electric meter one side.
2. The utility model discloses a multifunctional electricity meter with calibration function does not have a power failure as claimed in claim 1, characterized in that, three-phase voltage input terminal A (10), three-phase voltage input terminal B (11) and three-phase voltage input terminal C (12) are all with the multifunctional electricity meter near voltage switching knob A (1), voltage switching knob B (2) and voltage switching knob C (3) one side.
3. The multifunctional electric meter with the uninterrupted power supply verification function according to claim 1, wherein the current transformer secondary side short-circuit pressing plate A (7), the current transformer secondary side short-circuit pressing plate B (8), the current transformer secondary side short-circuit pressing plate C (9), the three-phase current input terminal A (13), the three-phase current input terminal B (14) and the three-phase current input terminal C (15) are all located on one side, close to the current switching knob A (4), the current switching knob B (5) and the current switching knob C (6), of the surface of the multifunctional electric meter.
4. The multifunctional electric meter with the uninterrupted power supply verification function according to claim 1, wherein the N-line input terminal (16) and the N-line measurement terminal (17) are both located on one side of the surface of the multifunctional electric meter, which is close to the current switching knob A (4), the current switching knob B (5) and the current switching knob C (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022937031.3U CN215375546U (en) | 2020-12-10 | 2020-12-10 | Multifunctional electricity meter with uninterrupted power supply verification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022937031.3U CN215375546U (en) | 2020-12-10 | 2020-12-10 | Multifunctional electricity meter with uninterrupted power supply verification function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215375546U true CN215375546U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022937031.3U Active CN215375546U (en) | 2020-12-10 | 2020-12-10 | Multifunctional electricity meter with uninterrupted power supply verification function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215375546U (en) |
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2020
- 2020-12-10 CN CN202022937031.3U patent/CN215375546U/en active Active
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