CN201680923U - Wireless temperature sensing device - Google Patents

Wireless temperature sensing device Download PDF

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Publication number
CN201680923U
CN201680923U CN2009203177883U CN200920317788U CN201680923U CN 201680923 U CN201680923 U CN 201680923U CN 2009203177883 U CN2009203177883 U CN 2009203177883U CN 200920317788 U CN200920317788 U CN 200920317788U CN 201680923 U CN201680923 U CN 201680923U
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CN
China
Prior art keywords
module
wireless
temperature
data acquisition
temperature sensing
Prior art date
Application number
CN2009203177883U
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Chinese (zh)
Inventor
赵国栋
吴孝兵
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杭州休普电子技术有限公司
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Priority to CN2009203177883U priority Critical patent/CN201680923U/en
Application granted granted Critical
Publication of CN201680923U publication Critical patent/CN201680923U/en

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Abstract

The utility model discloses a wireless temperature sensing device, and aims to provide a wireless temperature sensing device with high isolation and low power consumption. The device comprises a host and a wireless sensor; the host comprises a single-chip microcomputer control module, a wireless receiving module and a power module, and the wireless receiving module is connected with the single-chip microcomputer control module; and the wireless sensor comprises a temperature sensing module, a data acquisition module, a wireless transmission module and a lithium battery module, the temperature sensing module is connected with the data acquisition module, the wireless transmission module is connected with the data acquisition module, and the lithium battery module is connected with other modules. The wireless sensor adopts a smart sleep mechanism, so that the power consumption of the wireless sensor is extremely low, the access of an external power cord is not needed, isolation is thoroughly realized, and the safety and the convenience are improved. The wireless temperature sensing device is applicable to all electrical equipment contacts with the temperature to be monitored.

Description

Wireless temperature sensors

Technical field

The utility model relates to a kind of temperature-detecting device, especially relates to a kind of wireless temperature sensors.

Background technology

When electrical equipment since temperature rise too high after, equipment is easily damaged, and when electrical equipment can not be worked, will cause the under-supply of power requirement, with this economic loss that causes with inestimable.The thermometry of electrical equipment contact temperature has following two kinds at present:

1, manual measurement: manual measurement has very big danger, because these detected equipment all are high pressure, is difficult for contacting, and is easy to cause the injury to survey crew.In addition manual detection can not true-time operation, and the detected temperatures precision is low.

2, wired detection: promptly the sensor of detected temperatures and main frame are wired connections.This mode has strengthened slip-stick artist's field wiring difficulty, and the sensitivity of measurement is low, and the high-low pressure isolation is not thorough, and anti-interference is poor.

Patent Office of the People's Republic of China discloses Granted publication on January 16th, 2008 and number has been the patent documentation of CN201007849Y, and name is called wireless temperature measuring device.It is made up of wireless temperature measurement terminal, wireless temperature measurement supervisor.The power supply power supply unit of described wireless temperature measurement terminal provides the power supply of 4.5V for the thermometric terminal, the resistance computing unit calculates the resistance of thermistor, data processing unit is scaled temperature with the resistance that calculates, the address number of address control unit control terminal, supervisor is issued with temperature value in the data transmission unit, described wireless temperature measurement supervisor provides power supply by power supply and receiving element for supervisor, and receive the data that the thermometric terminal is sent, data processing unit is handled the temperature data that receives, and the temperature data after the data output unit will be handled outputs to computer.The weak point of this scheme is that the power supply power supply unit needs continued power, the energy is comparatively wasted, and can't be accomplished that the wireless temperature measurement terminal and the external world do not have cable to be connected fully.

Summary of the invention

The utility model mainly is to solve existing in prior technology can not be hedged off from the outer world fully, the technical matters that the energy is comparatively wasted etc., provide a kind of can be isolated fully with the external world, save the energy and assurance device and can use safe and reliable wireless temperature sensors for a long time.

The utility model is mainly solved by following technical proposals at above-mentioned technical matters: a kind of wireless temperature sensors, comprise main frame and wireless senser, described main frame comprises single chip control module, wireless receiving module and power module, described wireless receiving module is connected with single chip control module, and each module of described power module and other is connected; Described wireless senser comprises temperature sense module, data acquisition module, wireless sending module and lithium battery module, described temperature sense module is connected with described data acquisition module, described wireless sending module is connected with described data acquisition module, and described lithium battery module is connected with other each modules.

The lithium battery module is whole wireless senser power supply.The cable that adopts lithium battery to avoid extraneous power supply to need thoroughly is hedged off from the outer world wireless senser.The temperature sense module is installed in to be needed on the electrical equipment of the thermometric contact, responds to the temperature at tested position and by data acquisition module it is sampled.Data acquisition module passes to wireless sending module after the data that collect are handled, and sends the data to wireless receiving module by wireless sending module.Wireless senser adopts intelligent dormancy mechanism, when the data of wireless sending module send finish and data acquisition module calculate dormancy time after wireless senser enter dormant state, finish wireless senser until dormancy time and begin the next round data acquisition and send.Dormancy time is that basis is worked as the inferior temperature variation that collects, and the high more dormancy time of temperature is short more, and the low more dormancy time of temperature is long more.The electric quantity consumption of dormant state entire circuit is very little, has effectively saved the energy, has prolonged the serviceable life of radio temperature sensor.

Outputing to each module of main frame after the civil power process transformation rectification of power module with 220V, is whole main frame power supply.Wireless receiving module receives the temperature signal of wireless sending module and it is passed to single chip control module, by single chip control module temperature signal is handled.

As preferably, described single chip control module is connected with key-press module and display module.Display module is used to show through single chip control module handles later temperature signal.Key-press module is used for temperature, communication and display parameter are provided with and change.

As preferably, described main frame also comprises the RS485 communication module, and described RS485 communication module is connected with single chip control module.Temperature signal can pass to other-end by the RS485 communication module, and single chip control module also can receive the information that other-end sends over by the RS485 communication module, realizes the networking of wireless temperature sensors.

As preferably, described wireless receiving module and described wireless sending module all comprise the 433MHz communication module.Adopt the 433MHz frequency range to carry out communication between wireless sending module and the wireless receiving module.The use of 433MHz frequency range does not need application, makes the use of wireless temperature sensors comparatively convenient.

As preferably, described main frame also comprises the GPRS module.By means of GPRS network the distance between main frame and other monitor terminals is expanded greatly,, be made the cost of wireless temperature sensors also obtain effective control by means of maturation and the cheap GPRS network of expense.

The beneficial effect that brings of the present utility model is, by wireless sending module and wireless receiving module, main frame and wireless senser are isolated, avoided the use of circumscripted power line by the use of lithium battery module, had and under high-voltage state, isolate thoroughly, easy for installation, antijamming capability is strong, reliable operation, cost is low, the characteristics of long service life.The utility model energy savings, intelligent decision signal transmission frequency ensures that tested contact temperature can be passed to user terminal timely and accurately, and has expanded range of application greatly by GPRS network, can realize the monitoring of overlength distance.

Description of drawings

Fig. 1 is a kind of block diagram of the present utility model;

Fig. 2 is a kind of structured flowchart of main frame of the present utility model.

Among the figure: 1, wireless senser, 2, main frame, 3, the temperature sense module, 4, data acquisition module, 5, lithium battery module, 6, wireless sending module, 7, wireless receiving module, 8, single chip control module, 9, power module, 10, display module, 11, key-press module, 12, RS485 communication module, 13, the GPRS module.

Embodiment

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment: a kind of wireless temperature sensors, as shown in Figure 1, comprise wireless senser 1 and main frame 2, wireless senser 1 comprises temperature sense module 3, data acquisition module 4, lithium battery module 5 and wireless sending module 6.Lithium battery module 5 provides power supply for other several modules.Data acquisition module 4 adopts the MSP430 single-chip microcomputer.Temperature sense module 3 connects data acquisition module 4, and data acquisition module 4 is connected with wireless sending module 6.Main frame 2 comprises single chip control module 8, wireless receiving module 7 and power module 9.As shown in Figure 2, main frame 2 also comprises key-press module 11, display module 10, RS485 communication module 12 and GPRS module 13.Power module 9 provides power supply for single chip control module 8, display module 10, wireless receiving module 7, RS485 communication module 12 and GPRS module.Single chip control module 8 is connected with key-press module 11, display module 10, wireless receiving module 7, RS485 communication module 12 and GPRS module 13 respectively.Temperature sense module 3 is installed on the tested electrical equipment contact, the data of data acquisition module 4 collecting temperature induction modules 3, and the temperature data after will handling then passes to wireless receiving module 7 by wireless sending module 6.Communication between wireless sending module 6 and the wireless receiving module 7 is unidirectional, and the communication frequency of employing is 433MHz.Wireless receiving module 7 passes to single chip control module 8 with the temperature signal that receives, and single chip control module 8 shows processes temperature signal later on, also can pass to other-end by RS485 communication module 12 or GPRS module 13 by display module 10.Simultaneously, instruction or signal that single chip control module 8 also can receive from other-end by RS485 communication module 12 or GPRS module 13, and make corresponding reaction.The user can be provided with the correlation parameter of wireless temperature sensors by key-press module 11.Parameter is provided with function and also can finishes by RS485 communication module 12 or GPRS module 13.Data acquisition module 4 can calculate dormancy time after collecting temperature signal.Wireless senser 1 enters dormant state after temperature signal being passed to main frame 2, only keep very small electric current, wireless senser 1 breaks away from dormant state and reads temperature signal once more after dormancy time finishes, and finishes dormancy time calculating and temperature signal transmission and enters dormant state later on again.Can reduce power consumption greatly like this, save the energy, effectively prolong the serviceable life of wireless temperature sensors.Dormancy time is according to collecting to such an extent that data change when inferior simultaneously, and the high more dormancy time of temperature is short more, and the low more dormancy time of temperature is long more.The variability of dormancy time can guarantee the timely grasp of user to abnormal conditions, ensures the safety of equipment under test.

Claims (5)

1. wireless temperature sensors, comprise main frame (2) and wireless senser (1), it is characterized in that, described main frame (2) comprises single chip control module (8), wireless receiving module (7) and power module (9), described wireless receiving module (7) is connected with single chip control module (8), and described power module (9) is connected with other each modules; Described wireless senser (1) comprises temperature sense module (3), data acquisition module (4), wireless sending module (6) and lithium battery module (5), described temperature sense module (3) is connected with described data acquisition module (4), described wireless sending module (6) is connected with described data acquisition module (4), and described lithium battery module (5) is connected with other each modules.
2. wireless temperature sensors according to claim 1 is characterized in that, described single chip control module (8) is connected with key-press module (11) and display module (10).
3. wireless temperature sensors according to claim 1 is characterized in that, described main frame (2) also comprises RS485 communication module (12), and described RS485 communication module (12) is connected with single chip control module (8).
4. according to claim 1 or 2 or 3 described wireless temperature sensors, it is characterized in that described wireless receiving module (7) and described wireless sending module (6) all comprise the 433MHz communication module.
5. according to claim 1 or 3 described wireless temperature sensors, it is characterized in that described main frame (2) also comprises the GPRS module.
CN2009203177883U 2009-12-18 2009-12-18 Wireless temperature sensing device CN201680923U (en)

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Application Number Priority Date Filing Date Title
CN2009203177883U CN201680923U (en) 2009-12-18 2009-12-18 Wireless temperature sensing device

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Application Number Priority Date Filing Date Title
CN2009203177883U CN201680923U (en) 2009-12-18 2009-12-18 Wireless temperature sensing device

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102279063A (en) * 2011-06-17 2011-12-14 明高五金制品(深圳)有限公司 Device and system for monitoring barbecue temperature
CN102568175A (en) * 2010-12-28 2012-07-11 苏州华电电气股份有限公司 Wireless transmission device of high-voltage measuring signal
CN102661807A (en) * 2012-05-08 2012-09-12 襄垣县树元电器有限公司 Wireless intelligent temperature measuring instrument of electric equipment
CN102661806A (en) * 2012-05-08 2012-09-12 襄垣县树元电器有限公司 Wireless temperature monitoring device for power equipment
CN104075816A (en) * 2013-06-09 2014-10-01 成都瑞霆科技有限公司 Electric field induction electricity taking type wireless temperature measuring system
CN104776929A (en) * 2015-03-18 2015-07-15 杭州隽德科技有限公司 Low-power-consumption self-organization temperature data acquisition method, system and mounting and debugging method thereof
CN104900041A (en) * 2015-06-29 2015-09-09 攀枝花学院 Method and system for wireless temperature monitoring of substation equipment
CN105702008A (en) * 2016-03-28 2016-06-22 尚鹏 Wireless environment monitoring network and system
CN105918015A (en) * 2016-05-12 2016-09-07 洪明 Intelligent temperature and humidity monitor for greenhouse
CN104075816B (en) * 2013-06-09 2016-11-30 成都瑞霆科技有限公司 Electric field induction power taking type wireless temperature measurement system and frequency communication method thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102568175A (en) * 2010-12-28 2012-07-11 苏州华电电气股份有限公司 Wireless transmission device of high-voltage measuring signal
CN102279063A (en) * 2011-06-17 2011-12-14 明高五金制品(深圳)有限公司 Device and system for monitoring barbecue temperature
CN102661807A (en) * 2012-05-08 2012-09-12 襄垣县树元电器有限公司 Wireless intelligent temperature measuring instrument of electric equipment
CN102661806A (en) * 2012-05-08 2012-09-12 襄垣县树元电器有限公司 Wireless temperature monitoring device for power equipment
CN104075816A (en) * 2013-06-09 2014-10-01 成都瑞霆科技有限公司 Electric field induction electricity taking type wireless temperature measuring system
CN104075816B (en) * 2013-06-09 2016-11-30 成都瑞霆科技有限公司 Electric field induction power taking type wireless temperature measurement system and frequency communication method thereof
CN104776929A (en) * 2015-03-18 2015-07-15 杭州隽德科技有限公司 Low-power-consumption self-organization temperature data acquisition method, system and mounting and debugging method thereof
CN104776929B (en) * 2015-03-18 2017-05-31 杭州隽德科技有限公司 The installation and debugging method of low-power consumption self-organizing temperature data collecting system
CN104900041A (en) * 2015-06-29 2015-09-09 攀枝花学院 Method and system for wireless temperature monitoring of substation equipment
CN105702008A (en) * 2016-03-28 2016-06-22 尚鹏 Wireless environment monitoring network and system
CN105918015A (en) * 2016-05-12 2016-09-07 洪明 Intelligent temperature and humidity monitor for greenhouse

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C14 Grant of patent or utility model
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 310000 7, 536 Shun Feng Road, Qianjiang Economic Development Zone, Hangzhou, Zhejiang.

Patentee after: Hangzhou Super Electronic Technology Co., Ltd.

Address before: 310030 3 3 Zhen Zhong Road, West Lake science and Technology Park, Hangzhou, Zhejiang.

Patentee before: Hangzhou Super Electronic Technology Co., Ltd.

Address after: 310000 7, 536 Shun Feng Road, Qianjiang Economic Development Zone, Hangzhou, Zhejiang.

Patentee after: Hangzhou Super Electronic Technology Co., Ltd.

Address before: 310030 3 3 Zhen Zhong Road, West Lake science and Technology Park, Hangzhou, Zhejiang.

Patentee before: Hangzhou Super Electronic Technology Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20101222