Wireless passive watchband type temperature measurement sensor

Abstract

The utility model relates to the technical field of power grid monitoring, and discloses a wireless passive watchband type temperature measuring sensor, which comprises a shell and an inner module, the inner module is positioned inside the shell, a steel band is arranged on the inner side of the shell and penetrates through the inner module, and the inner module comprises a temperature measuring module and a transmitting module. The temperature measuring module is located on a busbar of a wire inlet chamber and a wire outlet chamber of the switch cabinet or outside an electric heating point, the transmitting module is connected with a wireless receiving host through wireless signals, a steel belt is bent and wound on the heating point, one end of a watchband penetrates out of a fixing buckle, and the other end of the watchband is connected with the wireless receiving host through a wireless signal. The temperature measuring module is tightly sleeved on a busbar or an electric heating point of a wire inlet chamber and a wire outlet chamber of the switch cabinet, the temperature measuring sensor can be conveniently and rapidly installed, the inner module is supplied with power by a steel belt in an induction mode, and the temperature measuring module is tightly attached to the measured heating point, so that the temperature of the heating point can be accurately measured in real time. And meanwhile, the transmitting module can wirelessly transmit the acquired temperature signals to the wireless receiving host according to a certain period for monitoring.

Description

TECHNICAL FIELD

[0001] The utility model relates to the electric network monitoring technical field, concretely is a wireless passive watchband type temperature measurement sensor. BACKGROUND

[0002] The power system is developing towards high reliability and automation. With the increase of social power consumption, high-voltage electrical appliances carrying large load transmission tasks are also increasing, and the heating problem of the connection points between equipment is becoming increasingly serious with the increase of load. According to statistics, 40% of power accidents in China are caused by overheating of high-voltage electrical equipment, so monitoring the connection points of high-voltage electrical equipment is one of the important means to ensure the safe operation of high-voltage equipment, and the real-time monitoring task of safe operation of power equipment is imminent.

[0003] In view of the above problems, it is urgent to design a temperature measuring device for accurately measuring the real-time temperature of the connection point. UTILITY MODEL CONTENT

[0004] To solve the technical problem of the increasing high-voltage electrical appliances and the heating of the connection points between equipment caused by the increase of load, the utility model provides a wireless passive watchband type temperature measurement sensor.

[0005] The utility model adopts the following technical scheme: a wireless passive watchband type temperature measurement sensor, comprising a shell and an inner module, the inner module is located in the inside of the shell, the inner side of the shell is provided with a steel band, the steel band passes through the inner module, the inner module comprises a temperature measurement module and a transmitting module, the temperature measurement module is located on the busbar of the switch cabinet incoming line room and outgoing line room or outside the electrical heating point, the transmitting module is connected with a wireless receiving host through a wireless signal.

[0006] Preferably, the shell comprises a watchband and a fixing buckle, one end of the watchband is wound around the measured heating point once and then passes through the fixing buckle.

[0007] Preferably, the shell is made of temperature-resistant and flame-retardant material.

[0008] Preferably, the temperature measurement range of the temperature measurement module is-25 DEG C to 150 DEG C.

[0009] Preferably, the transmitting distance of the transmitting module is 20-30 meters.

[0010] Preferably, the temperature measurement module is used for real-time measurement of the temperature of the heating point.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses a temperature measuring sensor is provided with the steel band, and the steel band is tightly attached on the busbar of switchgear incoming line room and outgoing line room or electrical heating point, and the temperature measuring sensor is convenient for accurate real -time measurement heating point temperature, and through the emission module, the temperature signal that the temperature measuring sensor gathers can be wirelessly transmitted to the wireless receiving host computer according to certain period and is monitored. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0014] Below, combining the drawings and specific implementation, the utility model is further described, need explaining, under the premise of not conflicting, the following description of each embodiment or each technical feature between can be arbitrarily combined and forms the new embodiment.

[0015] Embodiment 1: please refer to Figure 1 The utility model discloses a wireless passive watchband type temperature measuring sensor, including shell and inner module, and the inner module is located at the inside of shell, and the inboard of shell is provided with steel band, and the steel band passes through inner module, and the inner module includes temperature measuring module and emission module, and the temperature measuring module is located on the busbar of switchgear incoming line room and outgoing line room or electrical heating point outside, and the emission module is connected with wireless receiving host computer through wireless signal;

[0016] Wherein, the temperature measuring module and emission module of wireless passive watchband type temperature measuring sensor are powered by steel band induction, and the steel band is as primary side coil, and the inner module is provided with power taking coil as secondary side coil, and the both are equivalent to current transformer, and after induction power taking, through rectifier filter circuit board, linear voltage stabilizing is working power supply, and the temperature measuring sensor is powered, and the starting current is less than or equal to 10A, and it is tightly attached on the busbar of switchgear incoming line room and outgoing line room or electrical heating point, and the emission module can transmit the temperature signal that temperature measuring module gathers to wireless receiving host computer through wireless mode, and it is convenient for accurate real -time measurement heating point temperature;

[0017] Further, the shell includes watchband and fixed buckle, and one end of the watchband is wound around the measured heating point and then passes through the fixed buckle, and the shell is made of temperature-resistant and flame-retardant material, the temperature measuring module measures the temperature range of-25 DEG C to 150 DEG C, the emission distance of the emission module is 20-30 meters, and the temperature measuring module is used for real-time measurement of heating point temperature;

[0018] Wherein, when installing the wireless passive watchband type temperature measuring sensor, first, the cabinet is powered off, then the temperature measuring module is closely attached to the busbar of the switch cabinet inlet room and outlet room or the electrical heating point, then the steel band is bent and wound on the heating point, then the watchband is sleeved outside the steel band, one end of the watchband is pulled out from the fixed buckle, the temperature measuring module is closely sleeved on the measured heating point, finally, the watchband of the extension part is cut off, and the temperature measuring sensor is conveniently and quickly installed.

[0019] Working principle: the steel band is bent and wound on the heating point, then one end of the watchband is pulled out from the fixed buckle, the temperature measuring module is closely sleeved on the busbar of the switch cabinet inlet room and outlet room or the electrical heating point, the temperature measuring sensor is conveniently and quickly installed, the inner module is inductively powered by the steel band, the starting current is less than or equal to 10A, the temperature measuring module is closely attached to the measured heating point, the heating point temperature can be accurately and timely measured, and the collected temperature signal can be wirelessly transmitted to the wireless receiving host in a certain period to be monitored through the transmitting module.

[0020] The above embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of the utility model protection, and any non-substantial change and replacement made by the person skilled in the art on the basis of the utility model belongs to the range of the utility model protection.

Claims

1. A wireless passive watchband temperature sensor comprising a housing and an inner module, characterized in that, The inner module is located inside the shell, the inner side of the shell is provided with a steel belt, the steel belt passes through the inner module, the inner module comprises a temperature measuring module and a transmitting module, the temperature measuring module is located on the busbar of the incoming line chamber and the outgoing line chamber of the switch cabinet or outside the electrical heating point, and the transmitting module is connected with a wireless receiving host through a wireless signal.

2. The wireless passive watchband thermometry sensor of claim 1, wherein, The shell comprises a watchband and a fixing buckle, one end of the watchband is wound around the measured heating point and then passes through the fixing buckle.

3. The wireless passive watchband thermometry sensor of claim 1, wherein, The shell is made of temperature-resistant and flame-retardant material.

4. The wireless passive watchband thermometry sensor of claim 1, wherein, The temperature measuring module measures the temperature in the range of-25 DEG C to 150 DEG C.

5. The wireless passive watchband thermometry sensor of claim 1, wherein, The transmitting module has a transmitting distance of 20-30 meters.

6. The wireless, passive watchband temperature sensor of claim 1, wherein, The temperature measuring module is used for real-time measurement of the temperature of the heating point.

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