CN202885987U - One-host multipoint wireless temperature measuring device - Google Patents

One-host multipoint wireless temperature measuring device Download PDF

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Publication number
CN202885987U
CN202885987U CN 201220564290 CN201220564290U CN202885987U CN 202885987 U CN202885987 U CN 202885987U CN 201220564290 CN201220564290 CN 201220564290 CN 201220564290 U CN201220564290 U CN 201220564290U CN 202885987 U CN202885987 U CN 202885987U
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China
Prior art keywords
wireless
temperature
measuring device
point
radio
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CN 201220564290
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Chinese (zh)
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陈志平
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HANGZHOU YUNUO ELECTRONIC TECHNOLOGY Co Ltd
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HANGZHOU YUNUO ELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN 201220564290 priority Critical patent/CN202885987U/en
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Abstract

The utility model relates to a one-host multipoint wireless temperature measuring device comprising a wireless temperature sensor for detecting the temperatures of temperature test points on a switch cabinet. The wireless temperature measuring device further comprises a wireless receiver which is in radio-frequency connection with the wireless temperature sensor; the wireless receiver converts a temperature electric signal coming from the wireless temperature sensor into a data signal, the wireless receiver is connected with a wireless collection terminal which receives wireless data output by the wireless receiver and uploads the wireless data to a system display host capable of real-time displaying the temperatures of temperature measurement points on the switch cabinet through the MODBUS communication protocol, and all wireless collection terminals are connected with one system display host. The utility model provides the one-host multipoint wireless temperature measuring device which carries out real-time temperature monitoring of a plurality of switch cabinets through one system display host and improves the working efficiency, and based on the device, the cost is reduced.

Description

One machine Multi-point wireless temperature measuring device
Technical field
The utility model relates to a kind of wireless temperature measuring device for switch cabinet.
Background technology
According to State Grid security incident circular statistics, China occurs over just the electric power accident in power station every year, the 40%th, overheated by high voltage electric equipment due to.Therefore monitoring the temperature rise of high-tension apparatus tie point is to stop the key that this type of accident occurs, and realizes that on-line temperature monitoring is the important means that guarantees the high-tension apparatus safe operation.But for a long time, the tie point running temperature of high-tension apparatus is difficult to realize real time on-line monitoring, and this is that common thermometry can't be used because solving the High-Voltage Insulation problem because the position at these tie point places all has exposed high pressure.In addition, anti-electromagnetic interference (EMI) also is being the extremely crucial problem of often running in the high voltage power transmisson system monitoring.Therefore adopt the wireless temperature sensing technology to become the preferred plan that solves hyperbaric environment thermometric problem and anti-electromagnetic interference problem.
At present, wireless temperature measuring device for switch cabinet often need to be equipped with a system at each switch cubicle and show that main frame is used for realizing the functions such as setting of data acquisition, demonstration, warning and definite value, can only monitor 12 temperature rise points general at most.The staff need walk up and down between each switch cubicle and check one by one temperature rise point temperature, and efficient is lower.
The utility model content
The problems referred to above that exist in order to solve existing wireless temperature measuring device for switch cabinet, the utility model provide a kind of and show that by a system main frame can be simultaneously carries out real time temperature monitoring, increases work efficiency, reduces a machine Multi-point wireless temperature measuring device of cost a plurality of switch cubicles.
The utility model adopts following technical scheme:
One machine Multi-point wireless temperature measuring device, comprise the radio temperature sensor for detection of point for measuring temperature temperature on the switch cubicle, described wireless temperature measuring device also comprises the wireless receiver that is connected with the radio temperature sensor radio frequency, described wireless receiver will convert data-signal to from the temperature electric wave signal of radio temperature sensor, described wireless receiver connects the wireless terminal of compiling by serial line interface, this is wireless compile terminal receive wireless receiver output wireless data and by the MODBUS communications protocol be uploaded in real time display switch cashier's office in a shop the system of point for measuring temperature temperature show main frame, all wirelessly compile that terminals are common to connect systems' demonstration main frame.Described wireless receiver and the wireless terminal of compiling consist of wireless temperature-measuring terminal.
Further, described radio temperature sensor comprises temperature inductor module, processor module and wireless sending module, the point for measuring temperature surface that described temperature inductor module is fitted and is installed in switch cubicle, the temperature data that the temperature inductor module records is transferred to wireless sending module after processing through processor module, and the data after described wireless sending module is processed treated device by radiofrequency signal are sent to wireless receiver.
Further, described system shows in the main frame and is provided with the two-stage alarm module.
Further, described system shows that main frame is connected to concentrator station by the ethernet communication agreement.
The beneficial effects of the utility model are: show that by a system main frame can carry out real time temperature monitoring to a plurality of switch cubicles simultaneously, work efficiency improves, cost.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
With reference to Fig. 1: a machine Multi-point wireless temperature measuring device, comprise the radio temperature sensor for detection of point for measuring temperature temperature on the switch cubicle, described wireless temperature measuring device also comprises the wireless receiver that is connected with the radio temperature sensor radio frequency, described wireless receiver will convert data-signal to from the temperature electric wave signal of radio temperature sensor, described wireless receiver connects the wireless terminal of compiling by serial line interface, this is wireless compile terminal receive wireless receiver output wireless data and and be uploaded in real time display switch system's demonstration main frame of point for measuring temperature temperature cashier's office in a shop by the MODBUS communications protocol, all wireless systems of the common connection of terminal that compile show main frame, and system shows that main frame was connected by the networking of MODBUS communications protocol with each wireless compiling between the terminal.Described wireless receiver and the wireless terminal of compiling consist of wireless temperature-measuring terminal.
Described radio temperature sensor comprises temperature inductor module, processor module, wireless sending module and is the supply module of whole radio temperature sensor power supply, the point for measuring temperature surface that described temperature inductor module is fitted and is installed in switch cubicle, the temperature data that the temperature inductor module records is transferred to wireless sending module after processing through processor module, and the data after described wireless sending module is processed treated device by radiofrequency signal are sent to wireless receiver.The effect of radio temperature sensor is to realize the measurement of temperature and the transmission of signal.
The effect of wireless receiver is the collection that realizes a plurality of radio temperature sensor measuring-signals, by the radiowave of detecting the space temperature electric wave signal of collecting is converted into data-signal and sends to on-the-spot wireless compiling in the terminal.In the present embodiment, 1 wireless receiver can receive at most the temperature electric wave signal that 12 radio temperature sensors are sent.
The wireless terminal of compiling is responsible for receiving and is processed relevant wireless data and upload on system's demonstration main frame by the MODBUS communications protocol, this is wireless to compile terminal and the temperature data of the switch cubicle point for measuring temperature at scene temporarily can be preserved, and has collecting temperature sensor module address and address arbitrarily arranges function.
System shows that main frame is used for the information demonstration and data are processed, and system shows that main frame has the liquid crystal display menu, can intuitively show all point for measuring temperature real time temperatures and temperature rise change curve, and whether the automatic monitoring temperature is normal.Be provided with the two-stage alarm module in system's demonstration main frame, the two-stage alarm module has early warning output and the two kinds of functions of output of reporting to the police, and can set up according to user's needs temperature pre-warning value and the alarming value of point for measuring temperature on their own.When temperature rose to the early warning value of setting or alarming value, system can start corresponding warning function, the measurement point that can record simultaneously warning in historical alarm logging of reporting to the police, temperature value, time, message content etc.System's demonstration main frame can be managed at most 16 groups of wireless temperature-measuring terminals.In the present embodiment, system shows that main frame is connected to concentrator station by the ethernet communication agreement.
The present embodiment one machine Multi-point wireless temperature measuring device can arbitrarily add or delete according to user's request the number of wireless temperature-measuring terminal, and wireless temperature-measuring terminal also can arrange the number of this group point for measuring temperature according to demand flexibly, realize that system shows that main frame monitors the point for measuring temperature temperature rise of a plurality of switch cubicles simultaneously, like this, can increase work efficiency, reduce cost.
In the present embodiment, wireless receiver and the wireless terminal of compiling consist of wireless temperature-measuring terminal.Wireless receiver has 3 among Fig. 1, and the wireless terminal of compiling has 3, and correspondence consists of 3 groups of wireless temperature-measuring terminals one by one respectively.And the switch cubicle corresponding with wireless temperature-measuring terminal also has 3, is respectively the first switch cubicle, second switch cabinet and the 3rd switch cubicle.In the utility model, wireless temperature-measuring terminal is not limited to above-mentioned 3, and the quantity of wireless temperature-measuring terminal can be at most 16.
In the present embodiment, the point for measuring temperature on the switch cubicle refers to cable end or the contact of switch cubicle.Can select point for measuring temperature according to the situation of user's reality, such as switch contact, busbar joint, cable splice etc.Fig. 1 only is example, only show that second switch is equipped with 9 radio temperature sensors cashier's office in a shop, wherein, radio temperature sensor A1, radio temperature sensor B1, radio temperature sensor C1 are connected on the switch upper contact head, radio temperature sensor A2, radio temperature sensor B2, radio temperature sensor C2 are connected under the switch on the contact, and radio temperature sensor A3, radio temperature sensor B3, radio temperature sensor C3 are connected on the busbar joint.Why each cable end or contact need three radio temperature sensors, are because be three-phase electricity in the switch cubicle.Among Fig. 1, omitted the radio temperature sensor that is contained on the first switch cubicle and the 3rd switch cubicle.Each radio temperature sensor has unique address number.
Above-described embodiment only is enumerating of the utility model technical conceive way of realization; protection domain of the present utility model is not limited only to above-described embodiment, and protection domain of the present utility model may extend to those skilled in the art according to the thinkable equivalent technologies means of technical conceive of the present utility model.

Claims (4)

1. a machine Multi-point wireless temperature measuring device, comprise the radio temperature sensor for detection of point for measuring temperature temperature on the switch cubicle, it is characterized in that: described wireless temperature measuring device also comprises the wireless receiver that is connected with the radio temperature sensor radio frequency, described wireless receiver will convert data-signal to from the temperature electric wave signal of radio temperature sensor, described wireless receiver connects the wireless terminal of compiling by serial line interface, this is wireless compile terminal receive wireless receiver output wireless data and by the MODBUS communications protocol be uploaded in real time display switch cashier's office in a shop the system of point for measuring temperature temperature show main frame, all wirelessly compile that terminals are common to connect systems' demonstration main frame.
2. a machine Multi-point wireless temperature measuring device as claimed in claim 1, it is characterized in that: described radio temperature sensor comprises temperature inductor module, processor module and wireless sending module, the point for measuring temperature surface that described temperature inductor module is fitted and is installed in switch cubicle, the temperature data that the temperature inductor module records is transferred to wireless sending module after processing through processor module, and the data after described wireless sending module is processed treated device by radiofrequency signal are sent to wireless receiver.
3. a machine Multi-point wireless temperature measuring device as claimed in claim 1 or 2 is characterized in that: be provided with the two-stage alarm module in the described system demonstration main frame.
4. a machine Multi-point wireless temperature measuring device as claimed in claim 3 is characterized in that: described system shows that main frame is connected to concentrator station by the ethernet communication agreement.
CN 201220564290 2012-10-30 2012-10-30 One-host multipoint wireless temperature measuring device Active CN202885987U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201220564290 CN202885987U (en) 2012-10-30 2012-10-30 One-host multipoint wireless temperature measuring device

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CN202885987U true CN202885987U (en) 2013-04-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344901A (en) * 2014-11-08 2015-02-11 国网辽宁省电力有限公司鞍山供电公司 Temperature monitoring early warning system of transformer substation high voltage switch cabinet
CN106546347A (en) * 2016-10-18 2017-03-29 济南银澳科技有限公司 One kind is applied to downhole coal mine high-explosive switch cabinet node temperature detecting system
CN108073090A (en) * 2016-11-08 2018-05-25 上海孚凌自动化控制系统有限公司 Oil storage tank long-distance monitorng device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344901A (en) * 2014-11-08 2015-02-11 国网辽宁省电力有限公司鞍山供电公司 Temperature monitoring early warning system of transformer substation high voltage switch cabinet
CN106546347A (en) * 2016-10-18 2017-03-29 济南银澳科技有限公司 One kind is applied to downhole coal mine high-explosive switch cabinet node temperature detecting system
CN108073090A (en) * 2016-11-08 2018-05-25 上海孚凌自动化控制系统有限公司 Oil storage tank long-distance monitorng device

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