CN202305028U - Wireless temperature detector of high-voltage electric equipment - Google Patents
Wireless temperature detector of high-voltage electric equipment Download PDFInfo
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- CN202305028U CN202305028U CN2011204110407U CN201120411040U CN202305028U CN 202305028 U CN202305028 U CN 202305028U CN 2011204110407 U CN2011204110407 U CN 2011204110407U CN 201120411040 U CN201120411040 U CN 201120411040U CN 202305028 U CN202305028 U CN 202305028U
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- power supply
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- temperature detector
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Abstract
The utility model relates to a wireless temperature detector of high-voltage electric equipment. The wireless temperature detector comprises a power supply, a switch of the power supply, a temperature sensor, a central control circuit, a power supply stabilizing circuit, a power supply control circuit, a wireless transmission circuit and a transmitting antenna, wherein the power supply refers to batteries and supplies power for the central control circuit through the power supply stabilizing circuit, the central control circuit supplies power for the wireless transmission circuit through the power supply control circuit, and the wireless transmission circuit receives the data of the temperature sensor, acquired by the central control circuit, and transmits the data to a wireless base station. The wireless temperature detector of the high-voltage electric equipment, provided by the utility model, has the following advantages and beneficial effects: as the power supply particularly refers to 2.4AH batteries and the power supply stabilizing circuit and the power supply control circuit are arranged, the detector does not need to be powered by an external power supply and can continuously work for 3-5 years, and therefore the service life is improved and the working stability of the power supply of the complete machine is ensured. Besides, workers do not need to inspect the detector frequently, and thus the detector is very convenient to use.
Description
Technical field
The utility model relates to pick-up unit, particularly a kind of high voltage electric equipment wireless temperature detector.
Background technology
Measurement to large-size machine or large size bearing temperature is the technical task of very being paid close attention to always.Motor and bearing can occur aging or damage along with the prolongation of service time, need to change at any time, and this just needs checkout facility in time, to avoid bringing bigger loss.Particularly in mining equipment, this problem is more outstanding.At present, the temperature measuring set that uses at mining motor and bearing mostly is an external power source, uses inconvenient; And when adopting powered battery, because the complete machine working current is about 100mA, when adopting the 2.4AH lithium battery; Its electric current that sparks also has only 60 to 70mA; Satisfy not the requirement of system, reduced tenure of use, also can't guarantee the steady operation of system power supply simultaneously.
The utility model content
The purpose of the utility model is to overcome above-mentioned defective, provides a kind of and need not adopt external power source and can guarantee complete machine power supply steady operation, high voltage electric equipment wireless temperature detector easy to use.
For achieving the above object; The high voltage electric equipment wireless temperature detector that the utility model provides; Comprise power supply and switch thereof, temperature sensor, central control circuit and the wireless transmission circuit and the emitting antenna that link to each other successively; Also comprise power supply stabilizing circuit and power control circuit; Said power supply adopts battery; Said battery through said power supply stabilizing circuit and by switch control to said central control circuit power supply, said central control circuit supply power to said wireless transmission circuit through said power control circuit, said wireless transmission circuit receive data that said central control circuit gathers said temperature sensor gained also through said emitting antenna with data transmission to the wireless base station.
The utility model high voltage electric equipment wireless temperature detector; Wherein said battery is the lithium battery of output 3.3V voltage; Said power supply stabilizing circuit is provided with diode, first electric capacity and second electric capacity; Said first electric capacity and second electric capacity are parallel with one another, and said diode and the said first electric capacity forward are connected in series in the two ends of said battery, and said first electric capacity and second electric capacity are respectively 1000 μ F.
The utility model high voltage electric equipment wireless temperature detector; The electronic switch of wherein said power control circuit for constituting by triode; Said central control circuit is controlled the base stage of said triode, is exported the power supply of said wireless transmission circuit by the collector of said triode.
The utility model high voltage electric equipment wireless temperature detector, wherein said temperature sensor is several, each said temperature sensor links to each other with said central control circuit respectively.
It is the chip formation of STC11L02 that the utility model high voltage electric equipment wireless temperature detector, wherein said central control circuit adopt model.
It is the chip formation of TZ-200C that the utility model high voltage electric equipment wireless temperature detector, wherein said wireless transmission circuit adopt model.
The advantage and the good effect of the utility model high voltage electric equipment wireless temperature detector are: because power supply adopts the 2.4AH battery and is provided with power supply stabilizing circuit and power control circuit; Measuring instrument need not adopt external power source; But continuous working 3 to 5 years; When having improved tenure of use, also guaranteed the steady operation of complete machine power supply.The staff need not to patrol and examine frequently, and is very easy to use.
To combine embodiment to be elaborated below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the block scheme of the utility model high voltage electric equipment wireless temperature detector;
Fig. 2 is the circuit theory diagrams of power supply;
Fig. 3 is the circuit theory diagrams of central control circuit;
Fig. 4 is the circuit theory diagrams of temperature sensor;
Fig. 5 is the circuit theory diagrams of power control circuit;
Fig. 6 is the circuit theory diagrams of wireless transmission circuit.
Embodiment
With reference to Fig. 1, the utility model high voltage electric equipment wireless temperature detector comprises power supply and K switch thereof, temperature sensor TEMP, central control circuit U1, power supply stabilizing circuit 1, power control circuit 2 and wireless transmission circuit IO1 and emitting antenna IO2.
Wherein, in conjunction with reference to Fig. 2, power supply adopts battery BT1 power supply, and battery BT1 is the lithium battery of output 3.3V voltage VCC.Power supply stabilizing circuit 1 is provided with diode D2, the first electric capacity EB 1 and the second electric capacity EB2, and the first electric capacity EB 1 and the second electric capacity EB2 are parallel with one another, and the diode D2 and the first electric capacity EB1 forward are connected in series in the two ends of battery BT1.Battery BT1 output voltage V CC is opened and is turn-offed by power switch K, supplies power to central control circuit U1.The first electric capacity EB1 and the second electric capacity EB2 are respectively 1000 μ F, why use two electric capacity, are the volumes of considering equipment, and two electric capacity can be short many.
If during according to customer demand adjustment temperature-measuring range, to the first electric capacity EB1 and second electric capacity EB2 adjustment as follows: temperature-measuring range is 0 to spend to 80 and spend: adopt common electrochemical capacitor; Temperature-measuring range is spent to 80 degree for-30: the electrochemical capacitor that adopts high-quality wide temperature range.
Central control circuit U1 supplies power to wireless transmission circuit IO1 through power control circuit.In conjunction with reference to Fig. 5, the electronic switch of power control circuit 2 for constituting by triode Q1, the base stage of central control circuit U1 control triode Q1 is by the power supply AVCC1 of the collector output wireless transmission circuit IO1 of triode Q1.When collecting temperature, U1 makes voltage turn-on or the shutoff of AVCC1 through signal POW1 control triode Q1, and the power supply of wireless transmission circuit IO1 is with regard to Be Controlled.
Because the complete machine working current is about 100mA, battery BT1 has adopted the lithium battery of 2.4AH, and its electric current that sparks also has only 60 to 70mA, has satisfied not the requirement of complete machine.In order to improve tenure of use, play the effect of continuous electricity through the first electric capacity EB1 and the second electric capacity EB2.When wireless transmission circuit IO1 being closed power supply, at this moment battery BT1 gives the first electric capacity EB1 and second electric capacity EB2 charging again both to the complete machine power supply, and the complete machine power consumption is about 50uA.When wireless transmission circuit IO1 power supply opening, the first electric capacity EB1 and second electric capacity EB2 discharge, battery BT1, the first electric capacity EB1 and the second electric capacity EB2 have so just guaranteed the steady operation of complete machine power supply simultaneously to the complete machine power supply.
Temperature sensor TEMP is several, and temperature sensor TEMP directly becomes digital signal to temperature transition, and each temperature sensor TEMP links to each other with central control circuit U1 respectively, with reference to Fig. 4, is attached to the 13rd pin of U1 through CON11.
With reference to Fig. 3, temperature signal that central control circuit U1 receives is through the processing of internal processes, exports to transmission circuit IO1 by the TXD of tripod.The unlatching emission of the frequency acquisition of temperature and transmission circuit IO1 is controlled by the timer of central control circuit U1 fully.
With reference to Fig. 6; The data of wireless transmission circuit IO1 receiving center control circuit U1 collecting temperature sensor TEMP gained also transfer to the wireless base station through emitting antenna IO2 with data TXD; ANT is the antenna pin; SET on the wireless transmission circuit IO1 is that parameter is provided with control end, and ANTRST is a reseting controling end.
In the embodiment of the utility model high voltage electric equipment wireless temperature detector, it is the chip formation of STC11L02 that central control circuit U1 adopts model.It is the chip formation of TZ-200C that wireless transmission circuit IO1 adopts model.
The course of work of the utility model high voltage electric equipment wireless temperature detector is described below.
Measuring instrument is fixed on the tested motor and bearing, and after the start, the collection of temperature sensor data was carried out once in 100 seconds; When starting working, at first central control circuit U1 gives wireless transmission circuit IO1 power supply, sends to wireless transmission circuit IO1 after the collecting temperature data; Data have been sent the control circuit U1 of rear center and immediately wireless transmission circuit IO1 have been closed; Like this, extend the life of a cell as far as possible, but make this measuring instrument continuous working 3 to 5 years.
Embodiment recited above describes the preferred implementation of the utility model; Be not that design and scope to the utility model limits; Do not breaking away under the utility model design proposal prerequisite, common engineering technical personnel make the technical scheme of the utility model in this area various modification and improvement all should fall into the protection domain of the utility model; The technology contents that the utility model is asked for protection all is documented in claims.
Claims (6)
1. high voltage electric equipment wireless temperature detector; Comprise power supply and switch thereof (K), temperature sensor (TEMP), central control circuit (U1) and the wireless transmission circuit (IO1) and the emitting antenna (IO2) that link to each other successively; It is characterized in that: also comprise power supply stabilizing circuit (1) and power control circuit (2); Said power supply adopts battery (BT1); Said battery (BT1) is supplied power to said central control circuit (U1) through said power supply stabilizing circuit (1) and by switch (K) control; Said central control circuit (U1) through said power control circuit (2) to said wireless transmission circuit (IO1) power supply, said wireless transmission circuit (IO1) receive that said central control circuit (U1) is gathered the data of said temperature sensor (TEMP) gained and through said emitting antenna (IO2) with data transmission to the wireless base station.
2. high voltage electric equipment wireless temperature detector according to claim 1; It is characterized in that: wherein said battery (BT1) is the lithium battery of output 3.3V voltage (VCC); Said power supply stabilizing circuit (1) is provided with diode D2, first electric capacity (EB1) and second electric capacity (EB2); Said first electric capacity (EB1) and second electric capacity (EB2) are parallel with one another; Said diode (D2) and said first electric capacity (EB1) forward are connected in series in the two ends of said battery (BT1), and said first electric capacity (EB1) and second electric capacity (EB2) are respectively 1000 μ F.
3. high voltage electric equipment wireless temperature detector according to claim 2; It is characterized in that; Wherein said power control circuit (2) is the electronic switch that is made up of triode (Q1); Said central control circuit (U1) is controlled the base stage of said triode (Q1), is exported the power supply (AVCC1) of said wireless transmission circuit (IO1) by the collector of said triode (Q1).
4. high voltage electric equipment wireless temperature detector according to claim 3 is characterized in that: wherein said temperature sensor (TEMP) is several, and each said temperature sensor (TEMP) links to each other with said central control circuit (U1) respectively.
5. high voltage electric equipment wireless temperature detector according to claim 4 is characterized in that, it is the chip formation of STC11L02 that wherein said central control circuit (U1) adopts model.
6. high voltage electric equipment wireless temperature detector according to claim 5 is characterized in that: it is the chip formation of TZ-200C that wherein said wireless transmission circuit (IO1) adopts model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204110407U CN202305028U (en) | 2011-10-25 | 2011-10-25 | Wireless temperature detector of high-voltage electric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204110407U CN202305028U (en) | 2011-10-25 | 2011-10-25 | Wireless temperature detector of high-voltage electric equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305028U true CN202305028U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204110407U Expired - Fee Related CN202305028U (en) | 2011-10-25 | 2011-10-25 | Wireless temperature detector of high-voltage electric equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355017A (en) * | 2015-11-04 | 2016-02-24 | 王亲武 | Zigbee technology-based intelligent wireless temperature measurement terminal |
-
2011
- 2011-10-25 CN CN2011204110407U patent/CN202305028U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355017A (en) * | 2015-11-04 | 2016-02-24 | 王亲武 | Zigbee technology-based intelligent wireless temperature measurement terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20151025 |
|
| EXPY | Termination of patent right or utility model |