CN211577279U - Low-power consumption power transformer load factor identification device - Google Patents
Low-power consumption power transformer load factor identification device Download PDFInfo
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- CN211577279U CN211577279U CN201921836002.9U CN201921836002U CN211577279U CN 211577279 U CN211577279 U CN 211577279U CN 201921836002 U CN201921836002 U CN 201921836002U CN 211577279 U CN211577279 U CN 211577279U
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Abstract
The utility model provides a low-power consumption power transformer load factor identification device, including power transformer, low-power electronic device and digital transmission unit, low-power electronic device includes temperature sensor, vibration sensor, measuring circuit, analog operation circuit and digital operation circuit are milliwatt level circuit, temperature sensor and vibration sensor and measuring circuit, analog operation circuit and digital operation circuit be electric connection in proper order, power transformer's periphery is equipped with digital transmission unit, be provided with the AI algorithm between digital operation circuit and the digital transmission unit; the low-power electronic device, the AI algorithm and the digital transmission unit are arranged, so that the nondestructive detection of the shell temperature and vibration of the power transformer is realized; the measuring circuit, the analog operation circuit and the digital operation circuit are milliwatt-level circuits, namely, the circuit system requires small electric quantity, small electric consumption and low power consumption, and can maintain the normal operation of the circuit system for a long time.
Description
Technical Field
The utility model belongs to the technical field of the automatic technique of electronic information, electric power system and specifically relates to a low-power consumption power transformer load factor identification device.
Background
A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values.
The on-line nondestructive testing of the load factor of the power transformer is a long-standing problem, the key of the problem is the power supply problem of a measuring device attached to the transformer, and because the power transformers are all high-voltage devices, a low-voltage power supply is difficult to obtain nearby, and the problem can be easily solved by adopting a measuring device with low power consumption.
SUMMERY OF THE UTILITY MODEL
To the problem of the online nondestructive test power transformer load factor of the above-mentioned measuring device who takes the low-power consumption, the utility model provides a device is discerned to low-power consumption power transformer load factor.
In order to achieve the above purpose, the utility model discloses a realize through following technical scheme:
the utility model provides a low-power consumption power transformer load factor identification device, includes power transformer, still includes low power electron device and digital transmission unit, power transformer is last to be equipped with low power electron device, low power electron device includes temperature sensor, vibration sensor, measuring circuit, analog operation circuit and digital operation circuit, measuring circuit analog operation circuit with digital operation circuit is milliwatt level circuit, temperature sensor with vibration sensor with measuring circuit analog operation circuit with digital operation circuit electric connection in proper order, power transformer is equipped with around the digital transmission unit, digital operation circuit with be provided with the AI algorithm between the digital transmission unit.
Furthermore, the low-power electronic device is provided with a magnetic member, and the low-power electronic device is adsorbed on the power transformer through the magnetic force of the magnetic member; the magnetic attachment facilitates the handling, and the low power electronic device is only attached to the power transformer, and the use of the low power electronic device does not involve the primary and secondary circuits of the power system.
Further, the measuring circuit, the analog operation circuit and the digital operation circuit work under the power supply of a battery or an electric energy wireless transmission device; as a circuit system with low power consumption, a plurality of power supplies can be selected for power supply, and the power supply with low cost is selected for power supply, so that the normal operation of the circuit system is not influenced, and the cost is saved.
The utility model has the advantages that: the low-power electronic device, the AI algorithm and the digital transmission unit are arranged, so that the nondestructive detection of the shell temperature and the vibration of the power transformer is realized; the measuring circuit, the analog operation circuit and the digital operation circuit are milliwatt-level circuits, namely, the electric quantity required by the circuit system is small, the electric consumption is low, the power consumption is low, and the normal operation of the circuit system can be maintained for a long time under the condition of providing the same power supply electric quantity.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention;
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, a low power consumption power transformer load factor identification device includes a power transformer, and further includes a low power electronic device and a digital transmission unit, the power transformer is provided with the low power electronic device, the low power electronic device includes a temperature sensor, a vibration sensor, a measurement circuit, an analog operation circuit and a digital operation circuit, the measurement circuit, the analog operation circuit and the digital operation circuit are milliwatt-level circuits, the temperature sensor and the vibration sensor are electrically connected with the measurement circuit, the analog operation circuit is electrically connected with the digital operation circuit in sequence, the digital transmission unit is provided around the power transformer, and an AI algorithm is provided between the digital operation circuit and the digital transmission unit.
The low-power electronic device is provided with a magnetic piece, and is adsorbed on the power transformer through the magnetic force of the magnetic piece; the magnetic force adheres to the power transformer, so that the power transformer is convenient to assemble and disassemble, and the low-power electronic device is only adsorbed on the power transformer and does not relate to a primary loop and a secondary loop of a power system.
The measuring circuit, the analog operation circuit and the digital operation circuit work under the power supply of a battery or an electric energy wireless transmission device; as a circuit system with low power consumption, a plurality of power supplies can be selected for power supply, and the power supply with low cost is selected for power supply, so that the normal operation of the circuit system is not influenced, and the cost is saved.
The utility model discloses a theory of operation does:
as shown in fig. 1, the power transformer load factor is measured with reference to the change in temperature on a longer time scale, and the power transformer load factor is measured with reference to the vibration of the transformer on a shorter time scale;
when the load factor of the power transformer is reduced, the temperature of the power transformer is reduced, when the load factor of the power transformer is improved, the temperature of the power transformer is increased, the temperature sensor detects the change, the temperature sensor transmits related signals to a measuring circuit, the measuring circuit converts physical quantities to be measured into electrical physical quantities, namely converts related signals transmitted by the temperature sensor into current signals to complete transmission impedance matching, then the current signals transmitted by the measuring circuit pass through an analog operation circuit, the analog operation circuit filters and adjusts the current signals to obtain required current signals and stabilize the required current signals, and then under the analog-to-digital conversion of a digital operation circuit, finishing preprocessing operation and digital filtering of signals, then performing operation on digital information from a digital operation circuit through an AI algorithm, and finally outputting a measured value through a digital transmission unit;
in a short time scale, under the condition that the power transformer has different load rates, various vibration modes of the power transformer have different amplitude distributions, the vibration sensor detects the change of the vibration modes and transmits related signals to the measuring circuit, and as can be known from the above, the related signals sequentially pass through the measuring circuit, the analog operation circuit, the digital operation circuit, the AI algorithm and the digital transmission unit, and finally the measured numerical value is obtained.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
the low-power electronic device, the AI algorithm and the digital transmission unit are arranged, so that the nondestructive detection of the shell temperature and vibration of the power transformer is realized; the measuring circuit, the analog operation circuit and the digital operation circuit are milliwatt-level circuits, namely, the circuit system requires small electric quantity, small electric consumption and low power consumption, and can maintain the normal operation of the circuit system for a long time under the condition of providing the same power supply electric quantity.
The above is only the preferred embodiment of the present invention, and not the patent protection scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a low-power consumption power transformer load factor identification device, includes power transformer, its characterized in that still includes low power electron device and digital transmission unit, power transformer is last to be equipped with low power electron device, low power electron device includes temperature sensor, vibration sensor, measuring circuit, analog operation circuit and digital operation circuit, measuring circuit analog operation circuit with digital operation circuit is milliwatt level circuit, temperature sensor with vibration sensor with measuring circuit analog operation circuit with digital operation circuit electric connection in proper order, power transformer is equipped with around the digital transmission unit, digital operation circuit with be provided with the AI algorithm between the digital transmission unit.
2. The device for identifying the load factor of a low-power-consumption power transformer as claimed in claim 1, wherein the low-power electronic device is provided with a magnetic member, and the low-power electronic device is attached to the power transformer by the magnetic force of the magnetic member.
3. The device for identifying the load factor of a low-power-consumption power transformer as claimed in claim 1, wherein the measuring circuit, the analog operation circuit and the digital operation circuit are operated under the power supply of a battery or a wireless power transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921836002.9U CN211577279U (en) | 2019-10-29 | 2019-10-29 | Low-power consumption power transformer load factor identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921836002.9U CN211577279U (en) | 2019-10-29 | 2019-10-29 | Low-power consumption power transformer load factor identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211577279U true CN211577279U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921836002.9U Active CN211577279U (en) | 2019-10-29 | 2019-10-29 | Low-power consumption power transformer load factor identification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211577279U (en) |
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2019
- 2019-10-29 CN CN201921836002.9U patent/CN211577279U/en active Active
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