CN216526913U

CN216526913U - Temperature control system for building engineering

Info

Publication number: CN216526913U
Application number: CN202122412663.2U
Authority: CN
Inventors: 王文仓; 唐军洋
Original assignee: Shaanxi Qinyuyuan Construction Engineering Co ltd
Current assignee: Shaanxi Qinyuyuan Construction Engineering Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-05-13
Anticipated expiration: 2031-10-08

Abstract

The utility model relates to a temperature control system for constructional engineering, which belongs to the field of constructional engineering; a temperature control system for construction engineering includes: the temperature detector is fixedly arranged in the working area; a signal conditioning module and a stable output module are arranged in the temperature detector; the temperature acquisition device is connected with the detector through the signal conditioning module and the stable output module, acquires the temperature of a working area, and processes and stably outputs a temperature signal; amplifying the input acquisition signal through a signal conditioning module; selecting different signal amplification modes and different amplification factors according to the requirements of information processing, simultaneously, enabling one end to be an external direct current level and the other end to be an adjustable direct current level, processing the signals through different in-phase amplification modules and differential amplification; at the moment, a stable output module is arranged to stabilize the output signal; therefore, the utility model can effectively improve the accuracy of temperature detection.

Description

Temperature control system for building engineering

Technical Field

The utility model relates to a temperature control system for constructional engineering, and belongs to the field of constructional engineering.

Background

The temperature detection is the most common and most used detection device in the existing industry; by using the sensor, the detector detects the temperature of the working area; the module is used for controlling the output value of the temperature signal, so that the problem is solved by using the control equipment;

also can often use temperature detection among the prior art among the building engineering, but the workplace is mostly the noise great, and the occasion of multiple equipment simultaneous working, and this interference to temperature detection is very big to lead to the detected signal inaccurate.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: a temperature control system for construction engineering is provided to solve the above mentioned problems.

The technical scheme is as follows: a temperature control system for construction engineering, comprising:

the temperature detector is fixedly arranged in the working area;

and a signal conditioning module and a stable output module are arranged in the temperature detector.

In a further embodiment, the signal conditioning module comprises: the amplifier comprises an amplifier U1A, an amplifier U2A, an amplifier U3A, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a capacitor C1 and a voltage regulator tube D1;

the voltage is input to a pin 3 of the amplifier U1A, a pin 2 of the amplifier U1A is simultaneously connected to one end of the resistor R1 and one end of the resistor R2, a pin 1 of the amplifier U1A is simultaneously connected to the other end of the resistor R2 and one end of the resistor R7, a pin 2 of the amplifier U2A is simultaneously connected to the other end of the resistor R1 and one end of the resistor R3, the amplifier U2A is simultaneously connected to the other end of the resistor R3 and one end of the resistor R4, a pin 3 of the amplifier U2A is connected to one end of the capacitor C1 and is input with a signal, the other end of the capacitor C1 is grounded, the amplifier U3A is simultaneously connected to the other end of the resistor R4 and one end of the resistor R5, the other end of the resistor R5 is grounded, a pin 2 of the amplifier U3A is simultaneously connected to the other end of the resistor R7 and one end of the resistor R5, a No. 1 pin of the amplifier U3A is simultaneously connected with the other end of the resistor R6 and the negative electrode of the voltage regulator tube D1 and outputs a signal, and the positive electrode of the voltage regulator tube D1 is grounded; the No. 4 pins of the amplifier U1A, the amplifier U2A and the amplifier U3A are input with working voltage, and the No. 8 pins of the amplifier U1A, the amplifier U2A and the amplifier U3A are grounded.

In a further embodiment, the stable output module comprises: the circuit comprises a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a MOS tube Q1, a MOS tube Q2, a controllable voltage-stabilizing source U5 and a photoelectric coupler U4;

the gate of the MOS transistor Q1 is connected with one end of the resistor R8, the other end of the resistor R8 inputs signals, the source electrode of the MOS transistor Q1 is simultaneously connected with one end of the resistor R9 and the No. 1 pin of the photoelectric coupler U4, pin 2 of the photoelectric coupler U4 is connected with the drain electrode of the MOS transistor Q1 and grounded, the No. 4 pin of the photoelectric coupler U4 is simultaneously connected with one end of the resistor R10 and the grid electrode of the MOS transistor Q2, the pin 3 of the photoelectric coupler U4 is simultaneously connected with the drain electrode of the MOS tube Q2, the pin 2 of the controllable voltage-stabilizing source U5 and one end of the resistor R13 and is grounded, the No. 1 pin of the controllable voltage stabilizing source U5 is simultaneously connected with one end of the resistor R12 and the other end of the resistor R13, the No. 3 pin of the controllable voltage-stabilizing source U5 is connected with one end of the resistor R11, and the source electrode of the MOS transistor Q2 is connected with the other end of the resistor R12 and outputs a signal.

In a further embodiment, the output end of the signal conditioning module is connected with the input end of the stable output module; the stable output module is externally connected with a control device.

Has the advantages that: the utility model provides a temperature control system for constructional engineering, which is connected with a detector through a signal conditioning module and a stable output module, is used for carrying out temperature acquisition on a working area and carrying out processing and stable output on a temperature signal; amplifying the input acquisition signal through a signal conditioning module; selecting different signal amplification modes and different amplification factors according to the requirements of information processing, simultaneously, enabling one end to be an external direct current level and the other end to be an adjustable direct current level, processing the signals through different in-phase amplification modules and differential amplification; at the moment, a stable output module is arranged to stabilize the output signal; therefore, the utility model can effectively improve the accuracy of temperature detection.

Drawings

Fig. 1 is a circuit diagram of a signal conditioning module of the present invention.

Fig. 2 is a circuit diagram of the stabilized output module of the present invention.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these details; in other instances, well-known features have not been described in order to avoid obscuring the utility model.

A temperature control system for construction engineering, comprising: the temperature detector is fixedly arranged in the working area; and a signal conditioning module and a stable output module are arranged in the temperature detector.

In one embodiment, as shown in fig. 1, the signal conditioning module comprises: the amplifier comprises an amplifier U1A, an amplifier U2A, an amplifier U3A, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a capacitor C1 and a voltage regulator tube D1;

In one embodiment, as shown in fig. 2, the stable output module includes: the circuit comprises a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a MOS tube Q1, a MOS tube Q2, a controllable voltage-stabilizing source U5 and a photoelectric coupler U4;

In one embodiment, the output end of the signal conditioning module is connected with the input end of the stable output module; the stable output module is externally connected with a control device.

The working principle is as follows: when the temperature sensor works, firstly, the temperature sensor is electrified, then a detector on a working area works to collect temperature information, and then collected signals are output to the signal conditioning module; the signal conditioning module protects the input amplifier U2A through a capacitor C1, the amplification factor is adjusted according to the signal intensity, meanwhile, the working voltage is in a rotary amplification type through the input amplifier U1A, the amplification factor and the amplification type are output to the amplifier U3A, the amplifier U3A is amplified and output, and meanwhile, the voltage stabilizing tube D1 is output to the stable output module;

a resistor R8 of the stable output module receives and inputs signals stably, working voltage is input stably through a resistor R9, meanwhile, a grid electrode of an MOS tube Q1 receives signals to be conducted, photoelectric separation is carried out through a photoelectric coupler U4, then output signals are input through a MOS tube Q2 in a conducting mode, and at the moment, a controllable voltage stabilizing source U5 outputs voltage stably, so that the signals are not interfered by voltage, and stable output is carried out; therefore, the utility model can effectively improve the accuracy of temperature detection.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.

Claims

1. A temperature control system for construction engineering, comprising:

the temperature detector is fixedly arranged in the working area;

a signal conditioning module and a stable output module are arranged in the temperature detector;

the signal conditioning module comprises: the amplifier comprises an amplifier U1A, an amplifier U2A, an amplifier U3A, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a capacitor C1 and a voltage regulator tube D1;

2. The temperature control system for construction engineering according to claim 1,

the stable output module includes: the circuit comprises a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a MOS tube Q1, a MOS tube Q2, a controllable voltage-stabilizing source U5 and a photoelectric coupler U4;

3. The temperature control system for building engineering according to claim 1, wherein an output end of the signal conditioning module is connected with an input end of the stable output module; the stable output module is externally connected with a control device.