CN204314748U - A kind of multipath temperature patrol inspection temp controlled meter - Google Patents
A kind of multipath temperature patrol inspection temp controlled meter Download PDFInfo
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- CN204314748U CN204314748U CN201520008024.1U CN201520008024U CN204314748U CN 204314748 U CN204314748 U CN 204314748U CN 201520008024 U CN201520008024 U CN 201520008024U CN 204314748 U CN204314748 U CN 204314748U
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Abstract
The utility model relates to a kind of multipath temperature patrol inspection temp controlled meter, comprising: multichannel assists Measurement channel and main Measurement channel; Wherein said multichannel assists Measurement channel to comprise: be suitable for accessing the multy-way switching module that multichannel assists measurement data, the output terminal of this multy-way switching module is connected with the first acquisition channel of main control module by the first signal amplification module, the first A/D module successively, and the control output end of described main control module is connected with the control end of multy-way switching module; Described main Measurement channel comprises: be suitable for the secondary signal amplifying circuit accessing main measurement data, and this secondary signal amplifying circuit is connected with the second acquisition channel of described main control module by the second A/D module; The utility model significantly can improve the accuracy of temperature detection.
Description
Technical field
The utility model relates to a kind of automation field, particularly relates to a kind of multipath temperature patrol inspection temp controlled meter.
Background technology
In the prior art, the mode of temperature control instrument collecting temperature often only has a road, carry out temperature acquisition by a temperature sensor, cause application scenario very single like this, how to make the variation of the temperature acquisition mode of temperature control instrument be the technical barrier of this area.
Utility model content
The purpose of this utility model is to provide a kind of multipath temperature patrol inspection temp controlled meter, to solve the technical matters of multi pass acquisition.
In order to solve the problems of the technologies described above, the utility model provides a kind of multipath temperature patrol inspection temp controlled meter, comprising: multichannel assists Measurement channel and main Measurement channel; Wherein said multichannel assists Measurement channel to comprise: be suitable for accessing the multy-way switching module that multichannel assists measurement data, the output terminal of this multy-way switching module is connected with the first acquisition channel of main control module by the first signal amplification module, the first A/D module successively, and the control output end of described main control module is connected with the control end of multy-way switching module; Described main Measurement channel comprises: be suitable for the secondary signal amplifying circuit accessing main measurement data, and this secondary signal amplifying circuit is connected with the second acquisition channel of described main control module by the second A/D module.
Further, in order to make feeble signal be convenient to follow-up A/D module collection; The structure of first, second signal amplification circuit described is identical, and the two-stage calculation amplifying circuit for being made up of in-phase proportion computing circuit.
Further, in order to the output enriching multipath temperature patrol inspection temp controlled meter controls, its application scenario is widened; Described main control module is suitable for assisting the detected temperatures data of Measurement channel and main Measurement channel to export corresponding control signal according to multichannel; Each output terminal of described main control module is connected to outputting circuit for relay, logic level output circuit, analogue quantity output circuit are connected; Described outputting circuit for relay, logic level output circuit, analogue quantity output circuit are respectively connected with corresponding external control circuit.
Further, in order to carry out wireless networking, described main control module is also suitable for the temperature data of collection to carry out wireless transmission by ZigBee module.
Further, for the ease of input command adapted thereto, multipath temperature patrol inspection temp controlled meter also comprises: the button be connected with main control module.
Further, described main control module is also connected with Liquid Crystal Module and/or voice alarm module.
The beneficial effects of the utility model are, the utility model carries out data summarization by two Measurement channel, one of them passage is that multichannel assists Measurement channel can carry out measurement to the multiple spot of tested device to gather, another passage is the central area that main Measurement channel can be positioned over tested device, multichannel can assist measurement data and main measurement data to gather, to improve the accuracy of the temperature detection of tested device by described main control module.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the theory diagram of multipath temperature patrol inspection temp controlled meter of the present utility model.
Fig. 2 is the theory diagram of a kind of optional embodiment of multipath temperature patrol inspection temp controlled meter.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
Fig. 1 shows the theory diagram of multipath temperature patrol inspection temp controlled meter of the present utility model.
As shown in Figure 1, multipath temperature patrol inspection temp controlled meter of the present utility model, comprising: multichannel assists Measurement channel and main Measurement channel.
Concrete, described multichannel assists Measurement channel to comprise: be suitable for accessing the multy-way switching module that multichannel assists measurement data, the output terminal of this multy-way switching module is connected with the first acquisition channel of main control module by the first signal amplification module, the first A/D module successively, and the control output end of described main control module is connected with the control end of multy-way switching module.Wherein, multichannel assists Measurement channel can be, but not limited to is 2 tunnels, 4 tunnels, 6 tunnels, 8 tunnels etc.Described multy-way switching module can adopt multiway analog switch to realize.
Concrete, described main Measurement channel comprises: be suitable for the secondary signal amplifying circuit accessing main measurement data, and this secondary signal amplifying circuit is connected with the second acquisition channel of described main control module by the second A/D module.
Described main control module is MCU module such as but not limited to employing single-chip microcomputer, embedded chip, optionally, can adopt not containing the MCU module of AD function, adopt external A/D module, also can adopt the MCU module with AD function.
Preferably, the structure of first, second signal amplification circuit described is identical, and the two-stage calculation amplifying circuit for being made up of in-phase proportion computing circuit.
The optional embodiment of one as first, second signal amplification circuit, described amplifying circuit can adopt the anti-phase scaling circuit of two-stage to realize enlarging function.
Further, filtering circuit can also be added in above-mentioned amplifying circuit to reduce signal disturbing.
Fig. 2 shows the theory diagram of a kind of optional embodiment of multipath temperature patrol inspection temp controlled meter.
As shown in Figure 2, as the further expansion of this multipath temperature patrol inspection temp controlled meter, described main control module is suitable for assisting the detected temperatures data of Measurement channel and main Measurement channel to export corresponding control signal according to multichannel; Each output terminal of described main control module is connected to outputting circuit for relay, logic level output circuit, analogue quantity output circuit are connected; Described outputting circuit for relay, logic level output circuit, analogue quantity output circuit are respectively connected with corresponding external control circuit.Wherein, outputting circuit for relay can control heating or refrigeration, and logic level output circuit can control solid-state relay, and analogue quantity output circuit comprises output: 0-5V, 0-10V, 4-20mA, 0-10mA; The different size circuit module being suitable for above-mentioned voltage range or range of current can be connect, make described multipath temperature patrol inspection temp controlled meter can connect and drive multiple external control circuit, widened application scenario.
Preferably, in order to build wireless networking further, described main control module is also suitable for the temperature data of collection to carry out wireless transmission by ZigBee module.
Multipath temperature patrol inspection temp controlled meter also comprises: the button be connected with main control module, so that input command adapted thereto, and described main control module is also connected with Liquid Crystal Module and/or voice alarm module, checks to realize data and/or reports to the police.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to right.
Claims (6)
1. a multipath temperature patrol inspection temp controlled meter, is characterized in that, comprising: multichannel assists Measurement channel and main Measurement channel; Wherein
Described multichannel assists Measurement channel to comprise: be suitable for accessing the multy-way switching module that multichannel assists measurement data, the output terminal of this multy-way switching module is connected with the first acquisition channel of main control module by the first signal amplification module, the first A/D module successively, and the control output end of described main control module is connected with the control end of multy-way switching module;
Described main Measurement channel comprises: be suitable for the secondary signal amplifying circuit accessing main measurement data, and this secondary signal amplifying circuit is connected with the second acquisition channel of described main control module by the second A/D module.
2. multipath temperature patrol inspection temp controlled meter as claimed in claim 1, it is characterized in that, the structure of first, second signal amplification circuit described is identical, and the two-stage calculation amplifying circuit for being made up of in-phase proportion computing circuit.
3. multipath temperature patrol inspection temp controlled meter as claimed in claim 2, is characterized in that, described main control module is suitable for assisting the detected temperatures data of Measurement channel and main Measurement channel to export corresponding control signal according to multichannel;
Each output terminal of described main control module is connected to outputting circuit for relay, logic level output circuit, analogue quantity output circuit are connected; Described outputting circuit for relay, logic level output circuit, analogue quantity output circuit are respectively connected with corresponding external control circuit.
4. multipath temperature patrol inspection temp controlled meter as claimed in claim 3, it is characterized in that, described main control module is also suitable for the temperature data of collection to carry out wireless transmission by ZigBee module.
5. multipath temperature patrol inspection temp controlled meter as claimed in claim 4, it is characterized in that, multipath temperature patrol inspection temp controlled meter also comprises: the button be connected with main control module.
6. multipath temperature patrol inspection temp controlled meter as claimed in claim 5, it is characterized in that, described main control module is also connected with Liquid Crystal Module and/or voice alarm module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008024.1U CN204314748U (en) | 2015-01-06 | 2015-01-06 | A kind of multipath temperature patrol inspection temp controlled meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008024.1U CN204314748U (en) | 2015-01-06 | 2015-01-06 | A kind of multipath temperature patrol inspection temp controlled meter |
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| CN204314748U true CN204314748U (en) | 2015-05-06 |
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| CN201520008024.1U Active CN204314748U (en) | 2015-01-06 | 2015-01-06 | A kind of multipath temperature patrol inspection temp controlled meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613751A (en) * | 2018-07-02 | 2018-10-02 | 苏州市计量测试院 | A kind of high-precision and high-stability temperature polling instrument and preparation method thereof, method for inspecting |
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2015
- 2015-01-06 CN CN201520008024.1U patent/CN204314748U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613751A (en) * | 2018-07-02 | 2018-10-02 | 苏州市计量测试院 | A kind of high-precision and high-stability temperature polling instrument and preparation method thereof, method for inspecting |
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