CN206772459U - Temperature sensing device based on the communication of M BUS interfaces - Google Patents

Temperature sensing device based on the communication of M BUS interfaces Download PDF

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Publication number
CN206772459U
CN206772459U CN201720616514.9U CN201720616514U CN206772459U CN 206772459 U CN206772459 U CN 206772459U CN 201720616514 U CN201720616514 U CN 201720616514U CN 206772459 U CN206772459 U CN 206772459U
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temperature
unit
temperature sensing
data
sensing device
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田俊英
孟平
吴建华
孟云男
蔺文庆
李晓静
鹿洁
刘高亮
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Shandong Tailai Electric Ltd By Share Ltd
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Shandong Tailai Electric Ltd By Share Ltd
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Abstract

A kind of temperature sensing device based on the communication of M BUS interfaces is the utility model is related to, temperature sensing device includes temperature sensing unit, data acquisition unit, A/D converting units and data processing unit;The output signal of temperature sensing unit is transmitted to data processing unit through data acquisition unit and A/D converting units, and data processing unit is used to calculate the temperature data obtained by temperature sensing unit;Data processing unit is also associated with communication unit and display unit;Communication unit has M BUS circuits, for the output of data processing unit to be uploaded onto the server by M BUS communications, and provides power supply for temperature sensing device.

Description

Temperature sensing device based on M-BUS interface communications
Technical field
The utility model belongs to temperature sensor field, and in particular to a kind of TEMP based on M-BUS interface communications Device.
Background technology
At present, the common communication interface of temperature sensor uses RS-485, I2C communication interface, but needs built-in power, this The volume of temperature sensor can be caused can be multiplied;It is external according to power supply, then need to lay power line, but again can now cause Strong and weak electricity intersects laying, has a strong impact on that equipment is safe for operation in controller switching equipment.
The work of Thermal Corp generally requires to test indoor temperature, external according to power supply, then need to be separately provided in corridor Power supply, and lay power line to indoor, big, the drawback such as breakage in installation wall of coordinating difficulty be present;According to wireless internal battery Mode, then it is low in the presence of communication success rate, it need to often change battery.
Up to now, without a kind of wiring simplicity, a kind of scheme of reliable communications, it is remote on a large scale to solve for example Thermal Corp Journey collection indoor multipoint temperature, the temperature of each contact point of controller switching equipment, to the point active reporting more than given temperature, for The temperature of heat supply adjusts rapidly and controller switching equipment exception preventative process.
Utility model content
For the deficiencies in the prior art, the utility model proposes a kind of temperature based on M-BUS interface communications Sensing device, it may be such that wiring is simple using M-BUS communications, easy for construction, expansivity is strong, available for setting for power distribution cabinet (case) The Intelligent Measurement of standby, copper bar, cable junctions, carried for the detection of client's controller switching equipment remote online, intelligent diagnostics and specialized O&M For hardware support and mode, method.
The utility model uses following technical scheme:
A kind of temperature sensing device based on M-BUS interface communications, including temperature sensing unit, data acquisition unit, A/D Converting unit and data processing unit;The output signal of the temperature sensing unit is through data acquisition unit and A/D converting units Transmit to data processing unit, data processing unit is used to calculate the temperature data obtained by temperature sensing unit;The data Processing unit is also associated with communication unit and display unit;The communication unit has M-BUS interfaces, for by data processing list The output of member is communicated by M-BUS interfaces with server, and is that temperature sensing device connects power supply by M-BUS interfaces.
Further, the temperature sensing unit includes temperature sensor and bridge circuit, and the bridge circuit has N roads The electric bridge of autonomous working, each electric bridge access a temperature sensor, and the change of temperature is converted to resistance by temperature sensor Change.
Further, the data acquisition unit has multicircuit switch and the sampling being connected with multicircuit switch electricity Road, by program control multicircuit switch, realize asynchronous measurement multi-point temp.
Further, it is additionally provided with sampling holder between the data acquisition unit and A/D converting units.
Further, the data processing unit includes CUP and data storage cell, and CPU will be obtained by temperature sensing unit The signal measuring and calculating taken is converted to the temperature of measured point;The data storage cell internal memory contain multicircuit switch sequence number and when Mark, is respectively used to far adopt and benefit is copied.
Further, the data processing unit also has the temperature pre-warning device being connected with CPU, the temperature pre-warning dress The temperature data for gathering each time point is put compared with temperature threshold, if being more than temperature threshold, starts alarm.
Further, the display unit includes communication indicator lamp and alarm lamp, and communication indicator lamp is used to indicate to lead to The state or communication abnormality of letter;Alarm lamp indicates respectively that normal temperature, temperature anomaly, temperature are serious by changing color It is abnormal, indicated for site examining and repairing.
Operation principle of the present utility model:
The multicircuit switch of data processing unit control data collecting unit, first accesses first via temperature sensing unit Data acquisition member, and sampling holder is connected, stable post-sampling is kept, and then starts A/D converting units, analog signal is changed For data signal, data processing unit is passed to by serial ports, the numerical value collected is converted to temperature by data processing unit, and is sentenced Whether disconnected temperature exceedes temperature threshold, if more than startup warning device, and immediately to distribution transformer terminals active reporting out-of-limit event, institute Preserve with having gathered data and event whole added-time sample, then the multipath conversion of data processing unit control data collecting unit Switch, the second road temperature sensing unit is accessed, into next measurement point data acquisition.
The beneficial effects of the utility model:
Temperature sensing device of the utility model based on M-BUS interface communications, there is higher reliability, wiring is simple, Easy for construction, expansivity is strong, can be used for equipment, copper bar, the Intelligent Measurement of cable junctions of power distribution cabinet (case), is supervised with distribution Control terminal is used cooperatively, and the sensed in advance before the failure generation of controller switching equipment, intelligent fault minimum excision can be achieved, both saved Construction, O&M cost, the security performance of equipment is further improved, for the detection of client's controller switching equipment remote online, intelligent diagnostics Hardware support and mode, method are provided with specialized O&M.The device can be used for heat supply Customer Premise thermometric simultaneously, and food adds Work, chemical field temperature inspection and control.
Brief description of the drawings
Fig. 1 is operation principle block diagram of the present utility model.
In Fig. 1:1st, temperature sensing unit, 2, data acquisition unit, 3, A/D converting units, 4, data processing, 5, display it is single Member, 6, communication unit.
Embodiment:
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates that existing characteristics, step, operation, device, road part and/or their road are closed.
A kind of exemplary embodiments of the present utility model are a kind of temperature sensing devices based on M-BUS interface communications, such as Fig. 1 It is shown,
Including temperature sensing unit 1, data acquisition unit 2, A/D converting units 3 and data processing unit 4;The temperature The output signal of sensing unit is transmitted to data processing unit 4, data processing list through data acquisition unit and A/D converting units 3 Member is used to calculate the temperature data obtained by temperature sensing unit;The data processing unit is also associated with communication unit 5 and shown Show unit 6;The communication unit has M-BUS circuits, for the output of data processing unit to be uploaded to by M-BUS communications Server, and provide power supply for temperature sensing device.
Temperature sensing unit 1 is by temperature sensor, bridge circuit into temperature sensor accesses bridge circuit through terminal, originally Bridge circuit in embodiment has the electric bridge that 16 tunnels work independently, and each electric bridge accesses a temperature sensor, TEMP Device is converted to the change of temperature the change of resistance, and the multicircuit switch per output end all the way with data acquisition unit 2 connects Connect, multicircuit switch control is per temperature sensor proceeding measurement all the way, sample circuit work under the control of multicircuit switch Make.Pass is turned on by program control multichannel, realizes a device asynchronous measurement multi-point temp.
Sample circuit is also connected with sampling holder, and sampling holder is connected with A/D converting units 3, and sampling holder exists The circuit of " sampling " or " holding " two kinds of working conditions, under sample states, the output of circuit are under the control of logic level Tracking input analog signal, in the hold state, the output of circuit remain the preceding instantaneous input mould for once sampling finish time Intend signal, untill entering sample states next time.The conversion of temperature is converted to the change of resistance, and the change of resistance is shown as Voltage data, voltage data are maintained in sampling holder, and data are kept when A/D is changed, when data acquisition with external circuit Voltage change and change, ensure collection accuracy.
The output end of A/D converting units 3 is connected with data processing unit 4, single by 16 tunnels according to above-mentioned record bridge circuit The electric bridge composition solely to work, each electric bridge access a temperature sensor, as a bridge arm, are examined and pressed by uneven bridge arm, The can of data processing unit 4 is converted into measured point temperature, and result is stored, and is connected by serial ports and communication unit Connect, data are passed into distribution transforming management terminal by communication unit 6, the another way delivery outlet of data processing unit 4 connects with display unit 5 Connect, by normal work, alarm signal output display.
Data processing unit in the present embodiment includes CUP and data storage cell, and data storage cell internal memory contains more Road change-over switch sequence number and markers, it is respectively used to far adopt and benefit is copied.
Data processing unit also has the temperature pre-warning device that is connected with CPU, and the temperature pre-warning device is by each time The temperature data of point collection is compared with temperature threshold, if being more than temperature threshold, starts alarm.
Display unit is mainly made up of communication indicator lamp and alarm lamp, and communication indicator lamp is used for the state for indicating communication Or communication abnormality, alarm lamp indicate respectively that temperature is normal, temperature anomaly, temperature severely subnormal by changing color, so as to Site examining and repairing indicates.
Temperature sensing device of the utility model based on M-BUS interface communications, there is higher reliability, wiring is simple, Easy for construction, expansivity is strong, can be used for equipment, copper bar, the Intelligent Measurement of cable junctions of power distribution cabinet (case), is supervised with distribution Control terminal is used cooperatively, and the sensed in advance before the failure generation of controller switching equipment, intelligent fault minimum excision can be achieved, both saved Construction, O&M cost, the security performance of equipment is further improved, for the detection of client's controller switching equipment remote online, intelligent diagnostics Hardware support is provided with specialized O&M.The device can be used for heat supply Customer Premise thermometric, food processing, chemical field temperature simultaneously Spend Detection & Controling.
The workflow of the present embodiment is:
Temperature data is obtained to multiple temperature dot sequency to be measured, the temperature data is uploaded into clothes by M-BUS communications Business device.
The corresponding temperature sensing unit all the way of any one temperature tested point in multiple temperature tested points;Any temperature is obtained to treat The analog signal of measuring point, carry out sampling holding;When in sample states, the analog signal is converted into data signal, and The data signal is converted into temperature data;When in hold mode, tracking once samples the wink of finish time before keeping When analog signal, until entering next time untill sample states.
When in sample states, judge whether temperature data exceedes temperature threshold, if exceeding temperature threshold, start report It is alert, while the out-of-limit event storage device in being uploaded onto the server by M-BUS communications.
Retention cycle is used during the storage time of out-of-limit event can be set, in the present embodiment 180 days.
Warning device is to be shown using the alarm lamp in the display unit in a upper embodiment.
Asynchronous measurement multi-point temp can be realized using the present embodiment, using sample states and hold mode alternately, The accuracy of collection can be ensured, on the basis of a upper embodiment, the failure that can realize controller switching equipment using this method occurs Preceding sensed in advance, hardware support and side are provided for the detection of client's controller switching equipment remote online, intelligent diagnostics and specialized O&M Formula, method.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

Claims (7)

  1. A kind of 1. temperature sensing device based on M-BUS interface communications, it is characterised in that:Adopted including temperature sensing unit, data Collect unit, A/D converting units and data processing unit;The output signal of the temperature sensing unit is through data acquisition unit and A/ D conversion unit is transmitted to data processing unit, and data processing unit is used to calculate the temperature data obtained by temperature sensing unit; The data processing unit is also associated with communication unit and display unit;The communication unit has M-BUS interfaces, for by number Communicated with server by M-BUS interfaces according to the output of processing unit, and connected by M-BUS interfaces for temperature sensing device Connect power supply.
  2. 2. the temperature sensing device according to claim 1 based on M-BUS interface communications, it is characterised in that:The temperature Sensing unit includes temperature sensor and bridge circuit, and the bridge circuit has the electric bridge that N roads work independently, each bridge Enter a temperature sensor, temperature sensor is converted to the change of temperature the change of resistance.
  3. 3. the temperature sensing device according to claim 1 based on M-BUS interface communications, it is characterised in that:The data Collecting unit has multicircuit switch and the sample circuit being connected with multicircuit switch, by program control multicircuit switch, Realize asynchronous measurement multi-point temp.
  4. 4. the temperature sensing device according to claim 1 based on M-BUS interface communications, it is characterised in that:In the number Sampling holder is additionally provided with according between collecting unit and A/D converting units.
  5. 5. the temperature sensing device according to claim 3 based on M-BUS interface communications, it is characterised in that:The data Processing unit includes CUP and data storage cell, and the signal obtained by temperature sensing unit measuring and calculating is converted to measured point by CPU Temperature;The data storage cell internal memory contains multicircuit switch sequence number and markers, is respectively used to far adopt and benefit is copied.
  6. 6. the temperature sensing device according to claim 5 based on M-BUS interface communications, it is characterised in that:At the data Reason unit also has the temperature pre-warning device being connected with CPU, the temperature number that the temperature pre-warning device gathers each time point According to compared with temperature threshold, if being more than temperature threshold, start alarm.
  7. 7. the temperature sensing device according to claim 1 based on M-BUS interface communications, it is characterised in that:The display is single Member includes communication indicator lamp and alarm lamp, and communication indicator lamp is used for the state or communication abnormality for indicating communication;Police instruction Lamp indicates respectively that temperature is normal, temperature anomaly, temperature severely subnormal, indicated for site examining and repairing by changing color.
CN201720616514.9U 2017-05-27 2017-05-27 Temperature sensing device based on the communication of M BUS interfaces Active CN206772459U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720616514.9U CN206772459U (en) 2017-05-27 2017-05-27 Temperature sensing device based on the communication of M BUS interfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720616514.9U CN206772459U (en) 2017-05-27 2017-05-27 Temperature sensing device based on the communication of M BUS interfaces

Publications (1)

Publication Number Publication Date
CN206772459U true CN206772459U (en) 2017-12-19

Family

ID=60639190

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720616514.9U Active CN206772459U (en) 2017-05-27 2017-05-27 Temperature sensing device based on the communication of M BUS interfaces

Country Status (1)

Country Link
CN (1) CN206772459U (en)

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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Temperature sensing device based on M-BUS interface communication

Effective date of registration: 20200409

Granted publication date: 20171219

Pledgee: Levin commercial bank, Limited by Share Ltd, Fengcheng branch

Pledgor: SHANDONG TAILAI ELECTRIC Co.,Ltd.

Registration number: Y2020370000049

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210810

Granted publication date: 20171219

Pledgee: Levin commercial bank Limited by Share Ltd. Fengcheng branch

Pledgor: SHANDONG TAILAI ELECTRIC Co.,Ltd.

Registration number: Y2020370000049

PC01 Cancellation of the registration of the contract for pledge of patent right