CN210400657U - Inductive energy storage type temperature sensor - Google Patents
Inductive energy storage type temperature sensor Download PDFInfo
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- CN210400657U CN210400657U CN201921683321.0U CN201921683321U CN210400657U CN 210400657 U CN210400657 U CN 210400657U CN 201921683321 U CN201921683321 U CN 201921683321U CN 210400657 U CN210400657 U CN 210400657U
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Abstract
The utility model discloses an induction energy storage formula temperature sensor, including energy induction module, electric energy storage ware, voltage monitoring module, DC-DC power chip, MCU treater, temperature sensor and wireless chip, energy induction module pass through the diode with the electric energy storage ware is connected, the electric energy storage ware with voltage monitoring module connects, voltage monitoring module with DC-DC power chip connects, DC-DC power chip does MCU treater, temperature sensor and wireless chip power supply, the MCU treater with temperature sensor and wireless chip connect. The utility model discloses use the energy induction module of different grade type, turn into voltage with the change magnetic field that distribution network equipment sent, perhaps change parts such as cable stub, sinle silk and ambient temperature difference into voltage, for the temperature sensor power supply.
Description
Technical Field
The utility model belongs to the technical field of temperature sensor, in particular to response energy storage formula temperature sensor.
Background
In China, most medium and low voltage distribution networks adopt a neutral point ungrounded or low-resistance grounding system, when a single-phase grounding fault occurs, the cable insulation is broken down to generate heat, but the grounding resistance is large, the grounding current is small, the background monitoring system and the relay protection device of the distribution network cannot be removed, and the actual condition of the equipment cannot be known by a power supply department until the fault develops into a serious condition of burning, smoke and even explosion.
The original equipment temperature measurement is only a means for monitoring the insulation aging and running state of the distribution equipment, and the fault position cannot be quickly positioned when an accident happens due to the lack of detection on the temperature of a wire core and the temperature and humidity of the environment.
High-voltage board, platform district wiring are complicated, and when electric power trouble took place, electric power staff's the labour dynamics is big, work efficiency is low, and the maintenance cost is too high, can't accomplish real-time supervision to the degradation degree and the running state at electrical equipment key position, can't carry out intelligent management to city distribution network on the basis.
Disclosure of Invention
The utility model discloses to the technical problem who exists among the prior art, provide an induction energy storage formula temperature sensor, use the energy induction module of different grade type, turn into voltage with the change magnetic field that distribution network equipment sent, perhaps change into voltage with the temperature difference of parts such as cable stub, sinle silk and environment, for the temperature sensor power supply.
The utility model adopts the technical proposal that: the utility model provides an induction energy storage formula temperature sensor, includes energy induction module, electric energy storage ware, voltage monitoring module, DC-DC power chip, MCU treater, temperature sensor and wireless chip, energy induction module pass through the diode with electric energy storage ware is connected, electric energy storage ware with voltage monitoring module connects, voltage monitoring module with DC-DC power chip connects, DC-DC power chip does MCU treater, temperature sensor and wireless chip power supply, the MCU treater with temperature sensor and wireless chip connect.
The energy induction module comprises a current transformer and a power taking coil, the current transformer is connected with the power taking coil, and the power taking coil is connected with the electric energy storage. According to the principle of electromagnetic induction, when an electrically conductive object is exposed to a changing magnetic field, an electric current can be induced in the electrical conductor. The current transformer is arranged on the power taking coil, and the current transformer obtains induced current through the power taking coil so as to supply power for the electric energy storage.
The energy induction module is a voltage induction module. By using the principle of electromagnetic induction, when a conductive object is in a changing magnetic field, current can be induced in the conductor. The voltage induction module converts the induction current into a power supply voltage so as to supply power to the electric energy storage.
The energy induction module is a temperature difference induction module. According to the Thomson effect, the method is a solid state energy conversion mode which converts temperature difference energy (heat energy) into electric energy by using the temperature difference between low-temperature heat sources. One end of the temperature difference induction module is contacted with a heating component, so that the temperature in the temperature difference induction module is uneven, free electrons at a high temperature are larger than free electrons at a low temperature, and therefore the free electrons are diffused from a high temperature end to a low temperature end and are accumulated at the low temperature end to form an electric field, and two ends of the temperature difference induction module are led into a potential difference to supply power for the electric energy storage.
Preferably, the input voltage of the DC-DC power supply chip is 4.5V, and the output voltage is 3.3V.
Preferably, the electric energy storage adopts a capacitor.
Preferably, the MCU processor adopts a COTREX-MO kernel CPU.
Preferably, the temperature sensor is 18B20 or NTC, which is a representative digital chip and an analog temperature sensor.
The working principle is as follows: utilize different energy induction modules to change the temperature difference of the change magnetic field that distribution network equipment sent or parts such as cable end of a thread, sinle silk and ambient temperature into voltage, electric energy accumulator stores certain electric quantity, and when voltage reached 4.5V, for DC-DC power chip power supply through voltage monitoring module, DC-DC power chip output 3.3V's voltage, for MCU treater, temperature sensor and wireless chip power supply, send out temperature sensor's data through wireless chip.
Compared with the prior art, the utility model discloses the beneficial effect who has is: 1. and (3) accurate temperature measurement: the method comprises the following steps of accurately and reliably monitoring the temperature of key equipment such as a moving contact and a static contact of a vacuum circuit breaker, a cable joint of a cable and the like in a power distribution room;
2. exempt from to lay communication line: the system is internally provided with a wireless chip, the transmission speed is high, and the bandwidth is automatically adjusted under the condition of weak signals or interference, so that the stability and the reliability of the network are effectively guaranteed;
3. a cloth-free power line: the system is internally provided with a DC-DC power supply chip which is a voltage reduction chip, the efficiency is high, the energy loss is small, the chip heating is not obvious, the chip packaging is small, and the PWM digital control can be realized;
4. energy conservation and environmental protection: an energy induction chip is arranged in the system and can induce voltage, current and temperature difference; and storing the sensed energy into a storage capacitor to supply power for an MCU processor and the like.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the present invention;
fig. 4 is a circuit diagram of the DC-DC power supply chip of the present invention;
fig. 5 is a circuit diagram of the wireless chip of the present invention.
In the figure, 1 represents an energy induction module, 2 represents an electric energy storage, 3 represents a voltage monitoring module, 4 represents a DC-DC power supply chip, 5 represents an MCU processor, 6 represents a temperature sensor and 7 represents a wireless chip.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Example one
The embodiment of the utility model discloses an induction energy storage formula temperature sensor, as shown in fig. 1, 4, 5, including energy induction module 1, electric energy storage 2, voltage monitoring module 3, DC-DC power chip 4, MCU treater 5, temperature sensor 6 and wireless chip 7, energy induction module 1 pass through the diode with electric energy storage 2 connects, electric energy storage 2 adopts electric capacity, electric energy storage 2 with voltage monitoring module 3 connects, voltage monitoring module 3 with DC-DC power chip 4 connects, DC-DC power chip 4 does MCU treater 5, temperature sensor 6 and wireless chip 7 power supply, MCU treater 5 with temperature sensor 6 and wireless chip 7 connect. The input voltage of the DC-DC power supply chip 4 is 4.5V, and the output voltage is 3.3V. The MCU processor 5 adopts a COTREX-MO kernel CPU. The temperature sensor 6 is 18B20 or NTC as a representative digital chip and an analog temperature sensor.
The energy induction module 1 in this embodiment includes a current transformer and a power-taking coil, the current transformer is connected with the power-taking coil, and the power-taking coil is connected with the electric energy storage. According to the electromagnetic induction principle, when a conductive object is in a changing magnetic field, current can be induced in the conductor, the current transformer is installed on the power taking coil, and the current transformer obtains the induced current through the power taking coil, so that power is supplied to the electric energy storage 2.
The sensor is placed in equipment of a medium-low voltage distribution network, a variable magnetic field with large intensity exists in a working environment, when the voltage monitoring module 3 detects that the voltage at the electric energy storage 2 exceeds 4.5V, the voltage monitoring module supplies power to the DC-DC power supply chip 4, the DC-DC power supply chip 4 converts the voltage into 3.3V and outputs the voltage, and the MCU processor 5 transmits detected information to the wireless chip 7 through the temperature sensor 6; the wireless chip 7 is transmitted through its antenna.
Example two
The embodiment of the utility model discloses an induction energy storage formula temperature sensor, as shown in figure 2, including energy induction module 1, electric energy storage 2, voltage monitoring module 3, DC-DC power chip 4, MCU treater 5, temperature sensor 6 and wireless chip 7, energy induction module 1 pass through the diode with electric energy storage 2 connects, electric energy storage 2 adopts electric capacity, electric energy storage 2 with voltage monitoring module 3 connects, voltage monitoring module 3 with DC-DC power chip 4 connects, DC-DC power chip 4 does MCU treater 5, temperature sensor 6 and wireless chip 7 power supply, MCU treater 5 with temperature sensor 6 and wireless chip 7 connect.
The energy sensing module 1 in this embodiment is a voltage sensing module. The sensor is placed in equipment of a medium-low voltage distribution network, a variable magnetic field with high intensity exists in a working environment, and the voltage induction module generates voltage to supply power for the electric energy storage 2. When the voltage monitoring module 3 detects that the voltage at the electric energy storage 2 exceeds 4.5V, the DC-DC power supply chip 4 is powered, the DC-DC power supply chip 4 converts the voltage into 3.3V and outputs the voltage, and the MCU processor 5 transmits detected information to the wireless chip 7 through the temperature sensor 6; the wireless chip 7 is transmitted through its antenna.
EXAMPLE III
The embodiment of the utility model discloses an induction energy storage formula temperature sensor, as shown in fig. 3, including energy induction module 1, electric energy storage 2, voltage monitoring module 3, DC-DC power chip 4, MCU treater 5, temperature sensor 6 and wireless chip 7, energy induction module 1 pass through the diode with electric energy storage 2 connects, electric energy storage 2 adopts electric capacity, electric energy storage 2 with voltage monitoring module 3 connects, voltage monitoring module 3 with DC-DC power chip 4 connects, DC-DC power chip 4 does MCU treater 5, temperature sensor 6 and wireless chip 7 power supply, MCU treater 5 with temperature sensor 6 and wireless chip 7 connect.
The energy sensing module 1 in this embodiment is a temperature difference sensing module. The sensor is placed at heating components such as cable ends, cable cores and the like of a medium-low voltage distribution network, and the temperature difference sensing module generates voltage through temperature difference to supply power for the electric energy storage 2. When the voltage monitoring module 3 detects that the voltage at the electric energy storage 2 exceeds 4.5V, the DC-DC power supply chip 4 is powered, the DC-DC power supply chip 4 converts the voltage into 3.3V and outputs the voltage, and the MCU processor 5 transmits detected information to the wireless chip 7 through the temperature sensor 6; the wireless chip 7 is transmitted through its antenna.
The present invention has been described in detail with reference to the embodiments, but the description is only exemplary of the present invention and should not be construed as limiting the scope of the present invention. The protection scope of the present invention is defined by the claims. Technical scheme, or technical personnel in the field are in the utility model technical scheme's inspiration the utility model discloses an essence and protection within range, design similar technical scheme and reach above-mentioned technological effect, perhaps to the impartial change that application scope was made and improve etc. all should still belong to within the protection scope is covered to the patent of the utility model.
Claims (8)
1. An induction energy storage type temperature sensor is characterized in that: the device comprises an energy induction module, an electric energy storage, a voltage monitoring module, a DC-DC power supply chip, an MCU processor, a temperature sensor and a wireless chip, wherein the energy induction module is connected with the electric energy storage through a diode, the electric energy storage is connected with the voltage monitoring module, the voltage monitoring module is connected with the DC-DC power supply chip, the DC-DC power supply chip supplies power to the MCU processor, the temperature sensor and the wireless chip, and the MCU processor is connected with the temperature sensor and the wireless chip.
2. The inductive energy storage temperature sensor of claim 1, wherein: the energy induction module comprises a current transformer and a power taking coil, the current transformer is connected with the power taking coil, and the power taking coil is connected with the electric energy storage.
3. The inductive energy storage temperature sensor of claim 1, wherein: the energy induction module is a voltage induction module.
4. The inductive energy storage temperature sensor of claim 1, wherein: the energy induction module is a temperature difference induction module.
5. An inductive energy storage temperature sensor as claimed in claim 1, 2, 3 or 4, wherein: the input voltage of the DC-DC power supply chip is 4.5V, and the output voltage of the DC-DC power supply chip is 3.3V.
6. An inductive energy storage temperature sensor as claimed in claim 1, 2, 3 or 4, wherein: the electric energy storage adopts a capacitor.
7. An inductive energy storage temperature sensor as claimed in claim 1, 2, 3 or 4, wherein: the MCU processor adopts a COTREX-MO kernel CPU.
8. An inductive energy storage temperature sensor as claimed in claim 1, 2, 3 or 4, wherein: the temperature sensor is 18B20 or NTC as representative of digital chip and analog temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921683321.0U CN210400657U (en) | 2019-10-09 | 2019-10-09 | Inductive energy storage type temperature sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921683321.0U CN210400657U (en) | 2019-10-09 | 2019-10-09 | Inductive energy storage type temperature sensor |
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| CN210400657U true CN210400657U (en) | 2020-04-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112511791A (en) * | 2020-09-15 | 2021-03-16 | 深圳市立显通科技有限公司 | NFC passive driving induction power taking method and display intelligent device |
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- 2019-10-09 CN CN201921683321.0U patent/CN210400657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112511791A (en) * | 2020-09-15 | 2021-03-16 | 深圳市立显通科技有限公司 | NFC passive driving induction power taking method and display intelligent device |
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