CN211180625U - Intermediate device connected between temperature and humidity sensor and equipment - Google Patents
Intermediate device connected between temperature and humidity sensor and equipment Download PDFInfo
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- CN211180625U CN211180625U CN202020307563.6U CN202020307563U CN211180625U CN 211180625 U CN211180625 U CN 211180625U CN 202020307563 U CN202020307563 U CN 202020307563U CN 211180625 U CN211180625 U CN 211180625U
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Abstract
The utility model provides a connect intermediary device between temperature and humidity sensor and equipment, including integrated controller on a slice circuit board, dial switch, the temperature and humidity sensor interface, operational amplifier and external tapping, the temperature and humidity sensor interface is connected with the controller electricity, the humiture data input that will detect is to the controller in, dial switch is connected with the controller electricity, the user selects the humiture procedure through dial switch, operational amplifier is connected with the output electricity of controller, the signal of the output of controller is enlargied the output, operational amplifier is connected with the one end electricity of external tapping, the other end and the external equipment electricity of external tapping are connected. The utility model discloses an intermediary's device can guarantee to unify the standard of equipment end output according to the temperature and humidity sensor automatic adjustment output of its butt joint.
Description
Technical Field
The utility model relates to a humiture collection field, in particular to intermediary device of connecting between temperature and humidity sensor and equipment.
Background
Because the temperature and the humidity are the most basic and most core measurement indexes in the environment monitoring system and the most important controlled parameters in the environment control system, the measurement of the temperature and the humidity is the most basic in the industries of industrial automation, household appliances, environment protection, safety production and the like. With the rise of automation thinking, manufacturers hope to control and adjust the working conditions of each device according to the temperature and humidity distribution condition in the environment through the automation device, so that the purpose of saving energy is achieved, and the major theme of 'green environmental protection' is met.
Especially in a data exchange machine room, when an air-conditioning refrigeration system is used for temperature regulation and control, the temperature and humidity of the environment need to be monitored, but because temperature and humidity sensors of various types are available on the market, and when various temperature and humidity sensors detect the same temperature, the output voltage values are different, so that when users use different temperature and humidity sensors, the parameters of equipment need to be regulated in a targeted manner according to the types of the temperature and humidity sensors, and the temperature and humidity value can be accurately converted and calculated by the equipment according to the voltage values.
This will cause inconvenience for the user, if appear that temperature and humidity sensor damages and need change but can not buy when the same model temperature and humidity sensor, software engineer can only carry out adaptability parameter control to equipment according to new model temperature and humidity sensor, consuming time and difficultly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a connect the hardware architecture of intermediary device between temperature and humidity sensor and equipment, this hardware architecture can be based on the temperature and humidity sensor automatic adjustment output of its butt joint to the back of programming of controller wherein at software engineer, ensures that the standard to equipment end output can be unified.
The utility model provides a connect intermediary device between temperature and humidity sensor and equipment, including integrated controller on a slice circuit board, dial switch, temperature and humidity sensor interface, operational amplifier, the external tapping, temperature and humidity sensor interface and controller electricity are connected, dial switch is connected with the controller electricity, operational amplifier is connected with the output electricity of controller, operational amplifier is connected with the one end electricity of external tapping, the other end of external tapping is used for being connected with the external equipment electricity, power supply unit respectively with the controller, the temperature and humidity sensor interface, operational amplifier, the external tapping is connected and is supplied power.
Further, the controller is an MCU chip.
Further, the external interface is a 485 interface.
Furthermore, the dial switch is provided with a plurality of dial feet which are sequentially marked.
And one end of the communication interface is electrically connected with the controller, and the other end of the communication interface is used for receiving a program written by a software engineer.
Has the advantages that:
the utility model provides a connect intermediary device between temperature and humidity sensor and equipment, through with the temperature and humidity sensor interface, dial switch, a controller, power supply unit, operational amplifier, the external interface is integrated on a slice circuit board, after software engineer programs the controller wherein, the executive program can be chooseed for use according to dial switch's input to the controller, use with the temperature and humidity sensor that the adaptation docked, and give the output signal of equipment according to the temperature and humidity sensor automatic adjustment of butt joint, ensure that the standard to equipment end output can be unified.
Drawings
FIG. 1 is a system block diagram of an intermediary device of the present invention;
description of reference numerals: 1-a controller; 2-a dial switch; 3-temperature and humidity sensor interface; 4-a power supply unit; 5-an operational amplifier; 6-external interface.
Detailed Description
The invention will be further described with reference to the following examples.
Referring to fig. 1, the intermediary device connected between the temperature and humidity sensor and the equipment in this embodiment includes a controller 1, a dial switch 2, a temperature and humidity sensor interface 3, a power supply unit 4, an operational amplifier 5, and an external interface 6, which are integrated on a circuit board. The temperature and humidity sensor is connected with the controller 1 in a pluggable manner through a temperature and humidity sensor interface 3, and the controller 1 is used for collecting data measured by the temperature and humidity sensor; the input end of the operational amplifier 5 is electrically connected with the DAC output end of the controller 1 and amplifies the analog signal output by the controller 1; the output end of the operational amplifier 5 is electrically connected with the external interface 6 and is used for transmitting the amplified signal to external equipment connected with the other end of the external interface 6 through the external interface 6 so as to realize analog quantity output; the power supply unit 4 is respectively connected with the controller 1, the operational amplifier 5 and the external interface 6 and supplies power; the dial switch 2 is electrically connected with the controller 1 to realize human-computer interaction.
Further, the controller 1 is an MCU chip, the operational amplifier 5 is an OPA4374 chip, and the temperature/humidity sensor interface 3 is a pin corresponding to the temperature/humidity sensor chip.
Further, the dial switch 2 is provided with at least 5 dial pins, the numbers of which are respectively a first dial pin, a second dial pin, a third dial pin, a fourth dial pin and a fifth dial pin, the dial pins are respectively used for corresponding to 5 temperature and humidity sensors, wherein one end of each dial pin is electrically connected with an IO port of the controller 1, and the other end of each dial pin is grounded.
Before use, the controller 1 stores in advance parameter adjustment programs written corresponding to various conventional temperature and humidity sensors on the market, for example, if two types of temperature and humidity sensors, i.e., an HTG3535CH and a BM-RHT-S, are provided, wherein the HTG3535CH outputs 1.8V when detecting a temperature of 40 ℃, and the BM-RHT-S outputs 2V when detecting a temperature of 40 ℃, the controller 1 writes two sets of parameter adjustment programs A, B respectively, wherein the program a corresponds to the HTG3535CH, the program B corresponds to the BM-RHT-S, the program a is run when the first pin of the dial switch 2 is turned on, and the program B is run when the second pin of the dial switch 2 is turned on, then:
when the intermediary device is externally connected with the HTG3535CH through the temperature and humidity sensor interface 3, a user manually dials the dial switch 2 to the first dial foot to enable the program A to run, and the program A automatically converts 1.8V output by the HTG3535CH at 40 ℃ into 1.9V output;
when the temperature and humidity sensor interface 3 is externally connected and changed into BM-RHT-S, a user manually dials the dial switch 2 to a second dial foot to enable the program B to run, and the program B automatically converts 2V output by the BM-RHT-S at 40 ℃ into 1.9V output;
therefore, the intermediary device outputs a unified standard to the equipment end, and for the equipment end, even if the temperature and humidity sensor is replaced, a software engineer is not required to perform parameter adaptation and modification on software, so that the purpose of simplicity and convenience is achieved.
In addition, the intermediary device of this embodiment leaves a communication interface not shown in the figure to communicate with the controller 1, so that a software engineer can write a program in the controller 1, and add a program adapted to other temperature and humidity sensors, thereby adapting to other temperature and humidity sensors.
Furthermore, the intermediary device of this embodiment is further provided with an RS485 communication circuit and an RS485 communication interface, which are not shown in the figure, the controller 1 is in communication connection with an input end of the RS485 communication circuit, and the RS485 communication circuit transmits a signal to an external device connected with the other end of the RS485 communication interface through the RS485 communication interface, so as to output a digital quantity.
The mediation device of this embodiment has the following advantages:
the temperature and humidity sensor can be flexibly adapted to an existing temperature and humidity sensor for use, software engineers are not required to repeatedly perform software programming, workload is reduced, and operation difficulty of users is reduced.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides a link to intermediary device between temperature and humidity sensor and equipment which characterized in that: the temperature and humidity sensor interface is electrically connected with the controller, the dial switch is electrically connected with the controller, the operational amplifier is electrically connected with the output end of the controller, the operational amplifier is electrically connected with one end of the external interface, the other end of the external interface is used for being electrically connected with external equipment, and the power supply unit is respectively connected with the controller, the temperature and humidity sensor interface, the operational amplifier and the external interface and supplies power.
2. The intermediary device between temperature and humidity sensor and equipment according to claim 1, wherein the controller is an MCU chip.
3. The intermediary device connected between the temperature and humidity sensor and the equipment as claimed in claim 1, further comprising an RS485 communication interface and an RS485 communication circuit, wherein the controller is in communication connection with an input terminal of the RS485 communication circuit, the RS485 communication circuit is connected with one end of the RS485 communication interface, and the other end of the RS485 communication interface is electrically connected with an external equipment.
4. The intermediary device between the temperature and humidity sensor and the equipment according to claim 1, wherein the dial switch is provided with a plurality of dial feet which are numbered sequentially.
5. The intermediary device between the temperature and humidity sensor and the equipment according to claim 1, further comprising a communication interface, one end of the communication interface is electrically connected to the controller, and the other end of the communication interface is used for receiving a program written by a software engineer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020307563.6U CN211180625U (en) | 2020-03-12 | 2020-03-12 | Intermediate device connected between temperature and humidity sensor and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020307563.6U CN211180625U (en) | 2020-03-12 | 2020-03-12 | Intermediate device connected between temperature and humidity sensor and equipment |
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| CN211180625U true CN211180625U (en) | 2020-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518724A (en) * | 2022-01-28 | 2022-05-20 | 弥费实业(上海)有限公司 | Communication device and communication mode suitable for AMHS |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518724A (en) * | 2022-01-28 | 2022-05-20 | 弥费实业(上海)有限公司 | Communication device and communication mode suitable for AMHS |
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