CN211348414U - Induction electricity-taking electric temperature monitoring device - Google Patents
Induction electricity-taking electric temperature monitoring device Download PDFInfo
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- CN211348414U CN211348414U CN201922116152.9U CN201922116152U CN211348414U CN 211348414 U CN211348414 U CN 211348414U CN 201922116152 U CN201922116152 U CN 201922116152U CN 211348414 U CN211348414 U CN 211348414U
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- 238000012544 monitoring process Methods 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 11
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- 230000000007 visual effect Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000007619 statistical method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model relates to an electric temperature monitoring device is got in response, get electric circuit, rectifier filter circuit, electric quantity storage circuit, treater, first temperature sensor, second temperature sensor, current signal circuit and ADC converter including the response, the electric circuit is got in the response, rectifier filter circuit, electric quantity storage circuit, treater connect gradually, the one end and the current signal circuit of ADC converter are connected, and its other end is connected with the treater, and first temperature sensor, second temperature sensor are connected with the treater respectively. The utility model provides an electric temperature monitoring device is got in response makes the circuit volume more small through the circuit design of integrated form to convenient installation is in narrow and small positions such as moving contact, static contact of the cubical switchboard of power transmission equipment, and the usability is stronger.
Description
Technical Field
The utility model belongs to the technical field of power equipment, concretely relates to electric temperature monitoring device is got in response.
Background
The operation state of power transmission equipment is very important in industrial production, and unplanned power failure can cause great economic loss to enterprises, and the personal safety of constructors can be threatened if the power failure is serious. Therefore, the device capable of monitoring the running temperature of the electrical equipment in real time is very important, but many factors in the electrical equipment can cause danger, so that whether secondary hidden dangers are brought to the electrical equipment by additionally arranging the electrical equipment monitoring device or not is mainly reflected in the problems that creepage gaps can not be influenced, liquid is missed and the like.
At present, a large number of devices for monitoring the running temperature of the electrical equipment are arranged on the market, but 60% of the devices in the devices for monitoring the running temperature of the electrical equipment on the market at present are still powered by batteries, and 70% of the devices for monitoring the running temperature of the electrical equipment by adopting induction power supply are all larger than 40 × 12mm (length × width × height), so that the devices cannot be well installed on all the electrical equipment, and further secondary hidden dangers are brought. For example, when the temperature of a device powered by a battery is higher than 85 ℃, the performance of the battery is reduced, and the device is likely to explode or leak electrolyte at any time, which is very dangerous for the operation of electrical equipment, and meanwhile, the creepage clearance of the electrical equipment is reduced due to the overlarge volume, and the danger of short circuit and explosion of the equipment is also caused.
In addition, even if the user knows that the equipment temperature is too high, the existing temperature monitoring device cannot timely check the equipment temperature, cannot know the current condition and cannot analyze the reason of the equipment temperature fault.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the not enough of prior art, provide an induction electricity-taking electric temperature monitoring device in order to solve the unsafe problem that current electric temperature monitoring device adopted battery powered to bring and can't analyze out the problem of equipment temperature trouble reason.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an induction powered electrical temperature monitoring device comprising: the device comprises an induction electricity taking circuit, a rectification filter circuit, an electric quantity storage circuit, a processor, a first temperature sensor, a second temperature sensor, a current signal circuit and an ADC (analog to digital converter), wherein the induction electricity taking circuit, the rectification filter circuit, the electric quantity storage circuit and the processor are sequentially connected, one end of the ADC is connected with the current signal circuit, the other end of the ADC is connected with the processor, and the first temperature sensor and the second temperature sensor are respectively connected with the processor;
the first temperature sensor is used for acquiring a first temperature value of the equipment to be detected;
the second temperature sensor is used for acquiring a second temperature value of the equipment to be detected;
the processor is used for comparing and analyzing the first temperature value and the second temperature value;
the induction electricity taking circuit is used for providing a power supply for the temperature monitoring device;
the rectification filter circuit is used for rectifying the alternating current and filtering the alternating current to output direct current;
the electric quantity storage circuit is used for storing the electric energy acquired by the induction power taking circuit and outputting the electric energy to the processor;
the current signal circuit is used for measuring current change data;
the ADC is used for AD converting the current change data;
the processor is further configured to store the current data converted by the ADC converter.
Furthermore, the induction electricity taking circuit comprises an induction electricity taking coil, the current signal circuit comprises a current induction coil, and the induction electricity taking coil and the current induction coil are both formed by a non-closed magnetic core and a coil wound outside the non-closed magnetic core.
Further, the first temperature sensor is connected with the processor through an IIC bus, and the second temperature sensor is integrated inside the processor.
Further, the method also comprises the following steps:
a radio frequency circuit for transmitting or receiving a radio frequency signal to an external device;
the radio frequency circuit is integrated on the processor;
the radio frequency circuit adopts a 433Mhz wireless radio frequency SOC chip.
Further, the method also comprises the following steps:
the alarm circuit is connected with the processor;
the processor is provided with an alarm temperature, and when the first temperature value exceeds an alarm temperature value, the processor controls the alarm circuit to alarm.
Further, the method also comprises the following steps:
the timing circuit is used for sampling the first temperature value at fixed time and sending sampling data to external equipment;
the timing circuit is connected with the processor.
Further, the alarm circuit includes:
an audible and visual alarm.
Further, the model of the first temperature sensor is TMP 116.
Further, the method also comprises the following steps:
a storage circuit for storing the first temperature value;
the storage circuit is connected with the processor.
Further, the processor is of the type ARM-cortex 3.
The utility model adopts the above technical scheme, the beneficial effect that can reach includes:
the embodiment of the application provides a pair of electric temperature monitoring device is got in response, gets electric circuit, rectifier filter circuit, electric quantity storage circuit, first temperature sensor, second temperature sensor, current signal circuit and ADC converter through setting up the response, and the circuit design of integrated form makes the circuit volume more small to convenient narrow and small positions such as cubical switchboard moving contact, static contact at power transmission equipment, the usability is stronger. Besides, this application can also carry out statistical analysis to the measured result, adjusts sampling cycle and sending cycle in real time to treating the operating current of check out test set and monitoring, combine current data and temperature data to treat the running state of check out test set and carry out the analysis, and show the analysis result for user or user, can also combine electric current size and temperature information analysis to go out the reason that the equipment temperature is too high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an induction electricity-taking electrical temperature monitoring device of the present invention;
fig. 2 is a schematic structural diagram of the power storage circuit provided by the present invention;
fig. 3 is a schematic structural diagram of a current signal circuit provided by the present invention;
fig. 4 is a schematic structural diagram of a first temperature sensor provided by the present invention;
fig. 5 is a schematic structural diagram of a processor according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A specific induction-powered electrical temperature monitoring apparatus provided in the embodiments of the present application is described below with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides an electric temperature monitoring device is got in response, the electric circuit is got in the response 1, rectification filter circuit 2, electric quantity storage circuit 3, treater 4, first temperature sensor 5, second temperature sensor 6, current signal circuit 7 and ADC converter 8, electric circuit 1 is got in the response, rectification filter circuit 2, electric quantity storage circuit 3, treater 4 connect gradually, ADC converter 8's one end with current signal circuit 7 is connected, its other end with treater 4 is connected, first temperature sensor 5, second temperature sensor 6 respectively with treater 4 is connected;
the first temperature sensor 5 is used for acquiring a first temperature value of the equipment to be detected;
the second temperature sensor 6 is used for acquiring a second temperature value of the equipment to be detected;
the processor 4 is configured to compare the first temperature value with the second temperature value;
the induction electricity taking circuit 1 is used for providing a power supply for the temperature monitoring device;
the rectification filter circuit 2 is used for rectifying the alternating current and filtering the alternating current to output direct current;
the electric quantity storage circuit 3 is used for storing the electric energy obtained by the induction electricity taking circuit 1 and outputting the electric energy to the processor 4;
the current signal circuit 7 is used for measuring current change data;
the ADC converter 8 is configured to perform AD conversion on the current change data;
the processor 4 is further configured to store the current data converted by the ADC converter 8.
The application provides a pair of electric temperature monitoring devices's theory of operation is got in response is, the voltage that whole device work needs is inducted out from waiting to detect equipment to the electric circuit 1 is got in the response, then carry out rectification filtering through rectification filter circuit 2 and handle, electric quantity storage circuit 3 saves the electric quantity, discharge other circuits when the electric quantity storage is to the voltage of enough treater 4 normal work, what need explain, rectification filter circuit 2 in this application, ADC converter 8, second temperature sensor 6 all adopts prior art to realize, no longer describe here. Specifically, as shown in fig. 2, the electric quantity storage circuit 3 is composed of 4 470uF tantalum capacitors with low ESR, which are responsible for storing micro electric quantity input at the front end, and only when the voltage value stored by all the capacitors exceeds 3.3V, voltage is output externally, the working state of the whole circuit is in a low power consumption mode before the voltage value reaches 3.3V, no electric quantity is consumed, and the electric quantity stored after the voltage value reaches 3.3V provides working support for other circuits. First temperature sensor 5 and second temperature sensor 6 all are used for gathering the temperature of awaiting measuring equipment, treater 4 compares first temperature value and second temperature value, if two temperature values that two temperature sensor gathered differ at 5 ℃ within range, then think the temperature measurement value of first temperature sensor 5 as the accurate value, otherwise, treater 4 sends signal to second temperature sensor 6 and makes second temperature sensor 6 carry out temperature acquisition many times to treating measuring equipment, report to the police when discovering that first temperature value really exists unusually, reduce the error probability. As shown in fig. 3, the current signal circuit 7 measures current change data in real time, and the ADC converter 8 AD-converts the current change data and outputs the current change data to the processor 4.
Whether this application judges to detect equipment through the analysis to current variation trend and temperature variation trend and treats the reason whether unusual and appear, makes things convenient for the staff to wait to detect equipment and maintain and provide strong data support when waiting to detect equipment and maintain when detecting equipment and appearing unusually.
Wherein, judge through current variation trend and temperature variation trend that equipment to be detected appears unusually and the reason that appears unusually includes:
(1) the current value is normal, the temperature value is increased, and the condition that the contact of a breaker contact of a switch cabinet of the equipment to be detected is poor and oxidation possibly exists is judged to cause the abnormality of the equipment to be detected.
(2) And when the current value is high and the temperature value is increased, judging that the equipment to be detected is overloaded to work, and judging that the temperature of the equipment to be detected is increased due to overload.
(3) And under the condition that the rated working current of the equipment to be detected is smaller, the current value is normal, the temperature value is increased, and the condition that the equipment to be detected is in virtual connection is judged.
This application adopts "passive" power supply mode, thereby has adopted the circuit design that integrates simultaneously to make the volume littleer, operating temperature scope wider, even exceed the rated operating temperature scope of equipment also can not appear explosion, the danger of leaking. Besides, the induction electricity-taking electric temperature monitoring device provided by the application can be suitable for more temperature monitoring, and simultaneously solves the problem that the existing product is only monitored and not analyzed, the existing temperature monitoring device knows the reason that the equipment temperature is too high after the temperature abnormity can not be effectively or accurately known, and because the application is used for detecting the running temperature of high-voltage equipment, even if a user knows that the equipment temperature to be detected is too high, the user can not timely check the equipment temperature. The method and the device can monitor the operating temperature of the equipment to be detected and the operating current of the equipment, so that the reason that the temperature of the equipment is too high can be analyzed accurately by combining the current and temperature information.
In some embodiments, the induction power circuit 1 includes an induction power coil, and the current signal circuit 7 includes a current induction coil, where the induction power coil and the current induction coil are both composed of a non-closed magnetic core and a coil wound outside the non-closed magnetic core.
Specifically, the induction electric coil that provides in this application is made for 5000 circles of copper line of coiling 0.03mm on the magnetic core, and current induction coil uses 100 circles of copper line winding of 0.05mm on the magnetic core, can make the linear region of current measurement wider, and the measuring current scope can be at 5-1000A.
In some embodiments, the first temperature sensor 5 is coupled to the processor 4 via an IIC bus, and the second temperature sensor 6 is integrated within the processor 4.
In a preferred embodiment, the first temperature sensor 5 is a TMP 116.
Specifically, the two temperature sensors of the first temperature sensor 5 and the second temperature sensor 6 are arranged in the temperature measuring device for comparing the temperature difference values, so that the accuracy of temperature measurement is improved. As shown in fig. 4, the first temperature sensor 5 is a high-precision 16-bit digital temperature sensor TMP116, and the second temperature sensor 6 is a temperature sensor integrated inside the processor 4. In the working process, the processor 4 collects the temperature data of the first temperature sensor 5 and then compares the temperature data with the temperature data of the second temperature sensor 6, if the difference is within the range of 5 ℃, the measured value of the first temperature sensor 5 is considered to be an accurate value, otherwise, the second temperature sensor 6 is sampled for many times. The reason for this is that the first temperature sensor 5 is a peripheral to the processor 4 although it has low power consumption and high accuracy, and the probability of error is much higher than that of the second temperature sensor 6 by the IIC bus communication, so that the dual temperature sensors are used to improve the temperature measurement accuracy.
In some embodiments, the electric temperature monitoring device is got in induction that this application provided still includes:
a radio frequency circuit 9 for transmitting or receiving a radio frequency signal to an external device;
the radio frequency circuit 9 is integrated on the processor 4;
the radio frequency circuit 9 adopts a 433Mhz wireless radio frequency SOC chip.
Specifically, the radio frequency circuit 9 in the present application is integrated on the processor 4, and can enable the processor 4 to perform wireless communication with external devices, wherein the external devices can be terminals with display screens such as mobile phones and computers, and users can check current data and temperature data conveniently. The radio frequency circuit 9 provided by the present application has an operating frequency of 433Mhz and a transmission power of 10 Db.
In some embodiments, the electric temperature monitoring device is got in induction that this application provided still includes:
the alarm circuit 10, the said alarm circuit 10 is connected with said processor 4;
the processor 4 is provided with an alarm temperature, and when the first temperature value exceeds the alarm temperature value, the processor 4 controls the alarm circuit 10 to alarm.
Specifically, the processor 4 is provided with an alarm temperature, for example, the alarm temperature may be set to 50 ℃, when the first temperature value exceeds 50 ℃, the processor 4 sends an alarm signal to the alarm circuit 10, and the alarm circuit 10 gives an alarm to prevent the damage of the device to be detected due to the overhigh temperature.
In some embodiments, the electric temperature monitoring device is got in induction that this application provided still includes:
the timing circuit 11 is used for sampling the first temperature value at regular time and sending sampling data to external equipment;
the timing circuit 11 is connected to the processor 4.
Specifically, the processor 4 is further provided with an early warning temperature, for example, the early warning temperature is 30 ℃, the alarm temperature is 50 ℃, the first temperature sensor 5 is subjected to temperature sampling once every 30 seconds and temperature data is sent to external equipment, and a measurement result of each time is compared with the early warning temperature and the alarm temperature to determine a next sampling period and a next sending period of the first temperature sensor 5. Meanwhile, temperature data can be stored, the normal operation temperature of the device to be detected can be judged, and the device is more intelligent. For example: when the sampled first temperature value is lower than the early warning temperature, the 30-second interval time set by the timing circuit 11 is unchanged; when the sampled first temperature value is higher than the early warning temperature and lower than the alarm temperature, the processor 4 controls the interval time set by the timing circuit 11 to be 15 seconds, and performs temperature sampling on the first temperature sensor 5 and sends temperature data to the external device every 15 seconds.
As a preferred embodiment, the alarm circuit 10 provided in the present application comprises an audible and visual alarm.
In some embodiments, the electric temperature monitoring device is got in induction that this application provided still includes:
a storage circuit 12 for storing the first temperature value;
the memory circuit 12 is connected to the processor 4.
It should be noted that the first temperature value is not a specific value, but all temperature data acquired by the first temperature sensor 5, and a user can determine the operating temperature of the device to be detected through the stored first temperature value.
As a preferred embodiment, as shown in fig. 5, the processor 4 in this application is of an ARM-cortex 3 model, and the core of the processor 4 has the characteristics of high stability and strong performance, so that the analysis of the temperature data can be better completed, the temperature verification efficiency is higher, and the result is more accurate.
The application solves the unsafe problem caused by the need of using a battery to supply power for the existing electric temperature monitoring product and the problems of high starting current and large volume of the existing induction electricity-taking electric temperature monitoring device. This application has adopted efficient induction to get electric circuit 1, and low-loss rectifier filter circuit 2 makes the loss of self lower, and the power efficiency of transmission is higher. The integrated circuit design is adopted, so that the circuit volume is smaller, the integrated circuit is convenient to install in narrow positions such as a moving contact and a static contact of a switch cabinet of power transmission equipment, and the usability is stronger; in addition, the radio frequency circuit 9 of the application adopts a 433Mhz wireless radio frequency SOC chip, the type of the processor 4 is ARM-cortex 3, and the inner core of the processor 4 has the characteristics of high stability and strong performance, so that the analysis of temperature data can be better completed, the temperature checking efficiency is higher, and the result is more accurate.
The electric temperature monitoring device solves the unsafe problem caused by the fact that the existing electric temperature monitoring product needs to be powered by a battery and the problems of high starting current and large volume of the existing temperature monitoring device. This application has adopted efficient induction to get the electric circuit, and low-loss rectifier filter circuit makes the loss of self lower, and the power efficiency of transmission is higher. The integrated circuit design is adopted, so that the circuit volume is smaller, the integrated circuit is convenient to install in narrow positions such as a moving contact and a static contact of a switch cabinet of power transmission equipment, and the usability is stronger; in addition, this application radio frequency circuit adopts 433Mhz wireless radio frequency SOC chip, and the model of treater is ARM-cortex 3, and this treater kernel has the characteristics that stability is high, the performance is strong, therefore the analysis of completion temperature data that can be better for the temperature check-up efficiency is higher, the result is more accurate.
To sum up, the utility model provides an electric temperature monitoring device is got in response passes through the operating temperature that integrated circuit solved the narrow and small position in space such as electrical equipment moving contact, static contact and detects, realizes carrying out real-time measurement to the temperature of being surveyed the position to send temperature data for external equipment through wireless form, and this application can solve the misdetection that leads to the product to appear in service because of environmental disturbance, the problem of transmission failure. In addition, this application can carry out statistical analysis to the result of measurement, adjusts sampling cycle and sending cycle in real time to monitor the operating current of equipment, combine current data and temperature data to treat the running state of check out test set and carry out the analysis, and show the analysis result for user or user.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an electric temperature monitoring device is got in induction, its characterized in that includes: the device comprises an induction electricity taking circuit, a rectification filter circuit, an electric quantity storage circuit, a processor, a first temperature sensor, a second temperature sensor, a current signal circuit and an ADC (analog to digital converter), wherein the induction electricity taking circuit, the rectification filter circuit, the electric quantity storage circuit and the processor are sequentially connected, one end of the ADC is connected with the current signal circuit, the other end of the ADC is connected with the processor, and the first temperature sensor and the second temperature sensor are respectively connected with the processor;
the first temperature sensor is used for acquiring a first temperature value of the equipment to be detected;
the second temperature sensor is used for acquiring a second temperature value of the equipment to be detected;
the processor is used for comparing and analyzing the first temperature value and the second temperature value;
the induction electricity taking circuit is used for providing a power supply for the temperature monitoring device;
the rectification filter circuit is used for rectifying the alternating current and filtering the alternating current to output direct current;
the electric quantity storage circuit is used for storing the electric energy acquired by the induction power taking circuit and outputting the electric energy to the processor;
the current signal circuit is used for measuring current change data;
the ADC is used for AD converting the current change data;
the processor is further configured to store the current data converted by the ADC converter.
2. The induction-powered electrical temperature monitoring apparatus of claim 1,
the induction electricity taking circuit comprises an induction electricity taking coil, the current signal circuit comprises a current induction coil, and the induction electricity taking coil and the current induction coil are both composed of a non-closed magnetic core and a coil wound outside the non-closed magnetic core.
3. The induction-powered electrical temperature monitoring apparatus of claim 1,
the first temperature sensor is connected with the processor through an IIC bus, and the second temperature sensor is integrated in the processor.
4. The induction-powered electrical temperature monitoring device of claim 1, further comprising:
a radio frequency circuit for transmitting or receiving a radio frequency signal to an external device;
the radio frequency circuit is integrated on the processor;
the radio frequency circuit adopts a 433Mhz wireless radio frequency SOC chip.
5. The induction-powered electrical temperature monitoring device of claim 4, further comprising:
the alarm circuit is connected with the processor;
the processor is provided with an alarm temperature, and when the first temperature value exceeds an alarm temperature value, the processor controls the alarm circuit to alarm.
6. The induction-powered electrical temperature monitoring device of claim 5, further comprising:
the timing circuit is used for sampling the first temperature value at fixed time and sending sampling data to external equipment;
the timing circuit is connected with the processor.
7. The induction-powered electrical temperature monitoring device of claim 5, wherein the alarm circuit comprises:
an audible and visual alarm.
8. The induction-powered electrical temperature monitoring apparatus of claim 1,
the model of the first temperature sensor is TMP 116.
9. The induction-powered electrical temperature monitoring device of claim 1, further comprising:
a storage circuit for storing the first temperature value;
the storage circuit is connected with the processor.
10. The induction-powered electrical temperature monitoring apparatus of any one of claims 1 to 9,
the processor is of the type ARM-cortex 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116152.9U CN211348414U (en) | 2019-11-29 | 2019-11-29 | Induction electricity-taking electric temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922116152.9U CN211348414U (en) | 2019-11-29 | 2019-11-29 | Induction electricity-taking electric temperature monitoring device |
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| Publication Number | Publication Date |
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| CN211348414U true CN211348414U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922116152.9U Expired - Fee Related CN211348414U (en) | 2019-11-29 | 2019-11-29 | Induction electricity-taking electric temperature monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113406416A (en) * | 2021-06-11 | 2021-09-17 | 国网江苏省电力有限公司电力科学研究院 | Performance detection system of micro-power current power taking device for power transmission and transformation equipment |
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2019
- 2019-11-29 CN CN201922116152.9U patent/CN211348414U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113406416A (en) * | 2021-06-11 | 2021-09-17 | 国网江苏省电力有限公司电力科学研究院 | Performance detection system of micro-power current power taking device for power transmission and transformation equipment |
| CN113406416B (en) * | 2021-06-11 | 2023-03-24 | 国网江苏省电力有限公司电力科学研究院 | Performance detection system of micro-power current power taking device for power transmission and transformation equipment |
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