CN217878097U - Engineering progress monitoring circuit and system - Google Patents
Engineering progress monitoring circuit and system Download PDFInfo
- Publication number
- CN217878097U CN217878097U CN202222355932.0U CN202222355932U CN217878097U CN 217878097 U CN217878097 U CN 217878097U CN 202222355932 U CN202222355932 U CN 202222355932U CN 217878097 U CN217878097 U CN 217878097U
- Authority
- CN
- China
- Prior art keywords
- voltage
- resistor
- module
- signal
- input end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 38
- 238000009435 building construction Methods 0.000 claims abstract description 8
- 230000003321 amplification Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 14
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides an engineering progress monitoring circuit and system, this engineering progress monitoring circuit includes: the device comprises a data acquisition module, an operation module and a comparison module; the data module acquires the number of stress points in the building construction to obtain electric signals of the number of the stress points and transmits the electric signals of the number of the stress points to the operation module; the operation module is used for obtaining a number difference voltage signal and transmitting the number difference voltage signal to the comparison module by operating the voltage value of the received stress point number electric signal and the voltage value of the stress data quantity reference signal; the comparison module compares the voltage value of the number difference voltage signal with the voltage value of the engineering progress reference signal to obtain a voltage comparison signal, and sends the voltage comparison signal to the engineering system terminal, so that the engineering system terminal confirms the current engineering progress according to the voltage difference comparison signal, and the problem that a manager cannot timely grasp the correct engineering progress is solved.
Description
Technical Field
The utility model relates to a construction control field especially relates to an engineering progress monitoring circuit and system.
Background
With the deepening of market economy and the promotion of global economy integration in China, the building industry as a traditional industry faces severe challenges, the competition of the building market is more and more intense, and if domestic construction enterprises want to keep competitive advantages in such an intense competitive environment, the core competitiveness of the enterprises is improved.
In order to grasp the progress of each construction work of a company accident, a constructor, which is a representative of a construction company, generally adopts a method of individually browsing the construction information at each work site, or a method of classifying and organizing the huge construction information at each work site to create a work report and submitting the work report to a construction company; the method needs to classify and arrange a great deal of engineering information such as the working daily newspaper, the engineering photos and the like on each operation site; for the worker constructor, it is necessary to read the work report, and it is difficult to grasp the correct progress status of the project in time by the report alone.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an engineering progress monitoring circuit and system, aims at solving the problem that can't in time hold the correct engineering progress among the prior art.
In order to achieve the above object, the utility model provides an engineering progress monitoring circuit, engineering progress monitoring circuit includes: the device comprises a data acquisition module, an operation module and a comparison module;
the data acquisition module is sequentially connected with the operation module and the comparison module, the comparison module is connected with an engineering system terminal, and the data acquisition module is connected with an external pressure sensor;
the data acquisition module is used for acquiring the number of stress points in building construction to obtain stress point number electric signals and transmitting the stress point number electric signals to the operation module;
the operation module is used for operating the voltage value of the received stress point number electric signal and the voltage value of the stress data volume reference signal to obtain a number difference voltage signal and transmitting the number difference voltage signal to the comparison module;
the comparison module is used for comparing the voltage value of the number difference voltage signal with the voltage value of the engineering progress reference signal to obtain a voltage comparison signal, and sending the voltage comparison signal to the engineering system terminal so that the engineering system terminal can confirm the current engineering progress according to the voltage comparison signal.
Optionally, the operation module includes: the device comprises a first amplifying unit, a second amplifying unit and a subtraction unit;
the first amplifying unit is connected with the subtraction unit, the second amplifying unit is connected with the subtraction unit, and the subtraction unit is connected with the comparison module;
the first amplifying unit is used for amplifying the electric signal of the stress point number input by the data acquisition module and then outputting the electric signal of the stress point number to the subtraction operation unit;
the second amplifying unit is used for buffering the stress data quantity reference signal and outputting the buffered stress data quantity reference signal to the subtraction unit;
the subtraction unit is configured to subtract the voltage value of the amplified stress point number electrical signal input by the first amplification unit from the voltage value of the buffered stress data amount reference signal input by the second amplification unit to obtain a number difference voltage signal, and output the number difference voltage signal to the comparison module.
Optionally, the first amplifying unit includes: the circuit comprises a first operational amplifier, a first resistor and a second resistor;
the positive input end of the first operational amplifier is connected to the data acquisition module, the negative input end of the first operational amplifier is connected to the second end of the first resistor and the first end of the second resistor, the second end of the first resistor is connected to the first end of the second resistor, the first end of the first resistor is grounded, the second end of the second resistor is connected to the output end of the first operational amplifier and the input end of the subtraction unit, and the output end of the first operational amplifier is connected to the input end of the subtraction unit.
Optionally, the second amplifying unit includes: a second operational amplifier;
the positive input end of the second operational amplifier is the input end of the stress data volume reference signal, the negative input end of the second operational amplifier is connected with the output end of the second operational amplifier, and the output end of the second operational amplifier is connected with the subtraction unit.
Optionally, the subtraction unit includes: the first operational amplifier, the first resistor, the second resistor, the third resistor, the fourth resistor, the fifth resistor and the first diode;
the positive input end of the third operational amplifier is connected with the second end of the third resistor and the output end of the first amplifying unit, the second end of the third resistor is connected with the output end of the first amplifying unit, the first end of the third resistor is grounded, the negative input end of the third operational amplifier is connected with the second end of the fourth resistor and the first end of the fifth resistor, the second end of the fourth resistor is connected with the first end of the fifth resistor, the first end of the fourth resistor is connected with the output end of the second amplifying unit, the second end of the fifth resistor is connected with the output end of the third operational amplifier and the anode of the first diode, the output end of the third operational amplifier is connected with the anode of the first diode, and the cathode of the first diode is connected with the input end of the comparing module.
Optionally, the comparing module includes: a comparison unit and a voltage division unit;
the comparison unit is respectively connected with the voltage division unit, the operation module and the engineering system terminal, and the voltage division unit is connected with a power supply end;
the voltage division unit is used for dividing the voltage input by the power supply end to obtain a plurality of engineering progress reference signals;
and the comparison unit is used for sequentially comparing the voltage values of the number difference voltage signals with the voltage values of the plurality of engineering progress reference signals to obtain voltage comparison signals and sending the voltage comparison signals to the engineering system terminal so that the engineering system terminal confirms the current engineering progress according to the voltage comparison signals.
Optionally, the comparing unit includes: first to fourth voltage comparators;
the output end of the operation module is connected to the positive input end of the first voltage comparator, the positive input end of the second voltage comparator, the positive input end of the third voltage comparator and the positive input end of the fourth voltage comparator, the negative input end of the first voltage comparator, the negative input end of the second voltage comparator, the negative input end of the third voltage comparator and the negative input end of the fourth voltage comparator are connected to the output end of the voltage divider, and the output end of the first voltage comparator, the output end of the second voltage comparator, the output end of the third voltage comparator and the output end of the fourth voltage comparator are connected to the engineering system terminal.
Optionally, the voltage dividing unit includes: sixth to eighth resistors;
the first end of the sixth resistor is connected with the negative input end of the first voltage comparator and the ground, the negative input end of the first voltage comparator is connected with the ground, the second end of the sixth resistor is connected with the negative input end of the second voltage comparator and the first end of the seventh resistor, the negative input end of the second voltage comparator is connected with the first end of the seventh resistor, the second end of the seventh resistor is connected with the negative input end of the third voltage comparator and the first end of the eighth resistor, the negative input end of the third voltage comparator is connected with the first end of the eighth resistor, the second end of the eighth resistor is connected with the negative input end and the power supply end of the fourth voltage comparator, and the negative input end of the fourth voltage comparator is connected with the power supply end.
Optionally, the engineering progress monitoring circuit further includes: a digital-to-analog conversion module;
the input end of the digital-to-analog conversion module is connected with the output end of the data acquisition module, and the output end of the digital-to-analog conversion module is connected with the operation module;
the digital-to-analog conversion module is used for converting the stress point number electric signals output by the data acquisition module into stress point number analog electric signals and sending the stress point number analog electric signals to the operation module;
the operation module is further configured to operate the voltage value of the received stress point number analog electrical signal and the voltage value of the stress data amount reference signal to obtain a number difference voltage signal, and transmit the number difference voltage signal to the comparison module.
In order to achieve the above object, the utility model discloses a communication system is still proposed, communication system includes above-mentioned engineering progress monitoring circuit.
The utility model provides an engineering progress monitoring circuit and system, this engineering progress monitoring circuit includes: the device comprises a data acquisition module, an operation module and a comparison module; the data acquisition module is sequentially connected with the operation module and the comparison module, the comparison module is connected with an engineering system terminal, and the data acquisition module is connected with an external pressure sensor; the data module acquires the number of stress points in the building construction to obtain stress point number electric signals and transmits the stress point number electric signals to the operation module; the operation module is used for obtaining a number difference voltage signal by operating the voltage value of the received stress point number electric signal and the voltage value of the stress data volume reference signal and transmitting the number difference voltage signal to the comparison module; the comparison module compares the voltage value of the number difference voltage signal with the voltage value of the engineering progress reference signal to obtain a voltage comparison signal, and sends the voltage comparison signal to the engineering system terminal, so that the engineering system terminal confirms the current engineering progress according to the voltage difference comparison signal. The utility model discloses a number of stress points changes in the real-time supervision engineering work progress to judge the engineering construction progress through the stress points figure situation of change, and then solved the problem that managers can't in time hold the correct engineering progress.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of an engineering progress monitoring circuit according to the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the engineering progress monitoring circuit according to the embodiment of the present invention;
fig. 3 is a circuit diagram of a second embodiment of the engineering progress monitoring circuit according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | | 32 | |
| 20 | Operation module | D1 | |
| 30 | Comparison module | R1~R8 | First to |
| 21 | First amplifying unit | OP1~OP3 | First to third |
| 22 | Second amplifying unit | U1~U4 | First to |
| 23 | Subtraction unit | GND | Ground (floor) |
| 31 | Comparison unit | VDD | Power supply terminal |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a first embodiment of a project progress monitoring circuit according to the present invention. Based on fig. 1, provide the utility model discloses engineering progress monitoring circuit's first embodiment.
In this embodiment, the project progress monitoring circuit includes: the device comprises a data acquisition module 10, an operation module 20 and a comparison module 30;
the data acquisition module 10 is sequentially connected with the operation module 20 and the comparison module 30, the comparison module 30 is connected with an engineering system terminal, and the data acquisition module 10 is connected with an external pressure sensor.
It should be noted that, as the building construction stress data is along with the progress of the construction, the number of stress points is more and more, in this embodiment, pressure sensors are used to collect pressure values in each place during the construction, and the number of stress points is determined according to the number of collected pressure values. The data module 10 can be used for collecting the data of the number of stress points in the building construction in real time, and the data module 10 can adopt a data quantity collector of LWMA 7108C. The operation module 20 may be composed of a plurality of operational amplifiers and other electrical components, and the operation module 20 is a module for performing the operation of the stress point number. The comparison module 30 may be composed of a plurality of voltage comparators, or may be implemented by a single chip microcomputer circuit, which is not limited in this embodiment, and the comparison module 30 is configured to compare the voltage value of the change in the number of stress points with a preset reference voltage value, so as to obtain an electrical signal representing the current construction progress, and send the electrical signal to the middle end of the engineering system. The engineering system terminal is a master control end of the engineering system, and can collect various conditions of a construction site through elements such as a camera and a sensor and then collect the conditions so that managers can look up the conditions or directly display the current construction conditions to the managers through modes such as a display panel and the like.
In a specific implementation, the data acquisition module 10 acquires the number of stress points in the building construction to obtain an electric signal of the number of the stress points, and transmits the electric signal of the number of the stress points to the operation module 20; the operation module 20 obtains a number difference voltage signal by operating the voltage value of the received stress point number electrical signal and the voltage value of the stress data amount reference signal, and transmits the number difference voltage signal to the comparison module 30; the comparing module 30 compares the voltage value of the number difference voltage signal with the voltage value of the engineering progress reference signal to obtain a voltage comparison signal, and sends the voltage comparison signal to the engineering system terminal, so that the engineering system terminal can confirm the current engineering progress according to the voltage difference comparison signal.
The stress point number electric signal refers to a voltage capable of representing the number of stress points. The data volume reference signal refers to voltage capable of representing the reference number of stress points, wherein the reference number of the stress points is the total number of the stress points before the construction operation of the building every day. The number voltage difference signal is the voltage capable of representing the newly added number of stress points on the day. The engineering progress reference signal can be a plurality of reference voltage signals, the reference voltage signal can represent a certain number of stress points, the reference voltage signal with the largest voltage value represents the current day target engineering progress, namely represents the number of the stress points which finish the target engineering progress and are newly increased, the voltage value of the number voltage difference signal is compared with the voltage value of the engineering progress reference signal, so that the approximate range of the number of the newly increased stress points can be known, and the comparison signal represents the approximate range of the number of the newly increased stress points in the current day. The voltage comparison signal refers to the approximate range of the number of the current newly added stress points.
This embodiment provides an engineering progress monitoring circuit, and this engineering progress monitoring circuit includes: the device comprises a data acquisition module, an operation module and a comparison module; the data acquisition module is sequentially connected with the operation module and the comparison module, the comparison module is connected with an engineering system terminal, and the data acquisition module is connected with an external pressure sensor; the data module acquires the number of stress points in the building construction to obtain stress point number electric signals and transmits the stress point number electric signals to the operation module; the operation module is used for obtaining a number difference voltage signal by operating the voltage value of the received stress point number electric signal and the voltage value of the stress data quantity reference signal and transmitting the number difference voltage signal to the comparison module; the comparison module compares the voltage value of the number difference voltage signal with the voltage value of the engineering progress reference signal to obtain a voltage comparison signal, and sends the voltage comparison signal to the engineering system terminal, so that the engineering system terminal confirms the current engineering progress according to the voltage difference comparison signal. The utility model discloses a real-time supervision engineering work progress in-process stress point number change to judge the engineering construction progress through stress point number situation of change, and then solved the problem that managers can't in time hold the correct engineering progress.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a second embodiment of the engineering progress monitoring circuit according to the present invention. Propose based on above-mentioned first embodiment the utility model discloses engineering progress monitoring circuit's second embodiment.
In this embodiment, the operation module 20 includes: a first amplification unit 21, a second amplification unit 22, and a subtraction unit 23;
the first amplifying means 21 is connected to the subtracting means 23, the second amplifying means 22 is connected to the subtracting means 23, and the subtracting means 23 is connected to the comparing means 30.
It should be noted that the voltage value of the stress point number signal acquired by the data acquisition module 10 may be small, and therefore, the first amplification unit 21 is required to amplify the voltage value and transmit the amplified voltage value to the subtraction unit 23. The stress point number reference signal input to the second amplifying unit 22 needs to be properly buffered and adjusted by the second amplifying unit 22 to meet the requirement of the present embodiment for the stress point number reference signal, that is, the voltage value of the stress point number reference signal is equal to the voltage value corresponding to the total stress point number in the project on the last day, and the amplified voltage value of the stress point number signal acquired by the data acquisition module 10 is equal to the voltage value corresponding to the total stress point number in the current project. A certain conversion relation should exist between the voltage value and the number of the stress points, namely the number of the stress points can be obtained from the voltage value, and the corresponding voltage value can also be obtained by calculating the number of the stress points. The subtraction unit 23 is used for subtracting the voltage output by the first amplification unit 21 from the voltage output by the second amplification unit 22, so as to obtain a voltage value corresponding to the difference of the number of stress points, i.e. an increase condition of the number of stress points.
In specific implementation, the first amplifying unit 21 amplifies the stress point number electric signal input by the data acquisition module 10 and outputs the amplified stress point number electric signal to the subtraction operation unit 23; the second amplifying unit 22 buffers the stress data amount reference signal and outputs the buffered stress data amount reference signal to the subtraction unit 23; the subtraction unit 23 obtains a number difference voltage signal by subtracting the voltage value of the amplified stress point number electrical signal input from the first amplification unit 21 from the voltage value of the buffered stress data amount reference signal input from the second amplification unit 22, and outputs the number difference voltage signal to the comparison module 30.
In this embodiment, the comparing module 30 includes: a comparison unit 31 and a voltage dividing unit 32;
the comparing unit 31 is respectively connected with the voltage dividing unit 32, the operation module 20 and the engineering system terminal, and the voltage dividing unit 32 is connected with a power supply terminal;
in a specific implementation, the voltage dividing unit 32 divides the voltage input by the power supply terminal to obtain a plurality of engineering progress reference signals; the comparing unit 31 sequentially compares the voltage values of the number difference voltage signals with the voltage values of the plurality of engineering progress reference signals to obtain voltage comparison signals, and sends the voltage comparison signals to the engineering system terminal, so that the engineering system terminal confirms the current engineering progress according to the voltage difference comparison signals.
It should be noted that, in this embodiment, the signal output to the engineering system terminal by the comparison module 30 is a high-low level signal and is a combination of a plurality of high-low level signals, and the engineering system terminal can obtain the current engineering progress percentage by analyzing the plurality of high-low level signals, where the percentage is the percentage of the current engineering progress to the total current engineering progress, that is, the current engineering progress is displayed.
Referring to fig. 3, fig. 3 is a circuit diagram of a second embodiment of the project progress monitoring circuit according to the present invention.
In the present embodiment, the first amplification unit 21 includes: a first operational amplifier OP1, a first resistor R1 and a second resistor R2;
the positive input end of the first operational amplifier OP1 is connected to the data acquisition module 10, the negative input end of the first operational amplifier OP1 is connected to the second end of the first resistor R1 and the first end of the second resistor R2, respectively, the second end of the first resistor R1 is connected to the first end of the second resistor R2, the first end of the first resistor R1 is grounded, the second end of the second resistor R2 is connected to the output end of the first operational amplifier OP1 and the input end of the subtraction unit 23, respectively, and the output end of the first operational amplifier OP1 is connected to the input end of the subtraction unit 23.
It should be noted that, in this embodiment, the first amplifying unit 21 is a non-inverting closed-loop amplifier composed of a first operational amplifier OP1 and two resistors, and plays a role of amplification, and the output voltage = (R2/R1) × the input voltage, which is the voltage of the electrical signal with the number of stress points input by the data acquisition module 10.
In this embodiment, the second amplifying unit 22 includes: a second operational amplifier OP2;
the positive input end of the second operational amplifier OP2 is the input end of the stress data amount reference signal, the negative input end of the second operational amplifier OP2 is connected to the output end of the second operational amplifier OP2, and the output end of the second operational amplifier OP2 is connected to the subtraction unit 23.
It should be understood that the second operational amplifier OP2 plays a role of buffering to avoid the input data reference signal from being distorted or interfered.
In the present embodiment, the subtraction operation unit 23 includes: a third operational amplifier OP3, a third resistor R3, a fourth resistor R4, a fifth resistor R5, and a first diode D1;
a positive input end of the third operational amplifier OP3 is connected to the second end of the third resistor R3 and the output end of the first amplifying unit 21, a second end of the third resistor R3 is connected to the output end of the first amplifying unit 21, a first end of the third resistor R3 is grounded, a negative input end of the third operational amplifier OP3 is connected to the second end of the fourth resistor R4 and the first end of the fifth resistor R5, a second end of the fourth resistor R4 is connected to the first end of the fifth resistor R5, a first end of the fourth resistor R4 is connected to the output end of the second amplifying unit 22, a second end of the fifth resistor R5 is connected to the output end of the third operational amplifier OP3 and the anode of the first diode D1, an output end of the third operational amplifier OP3 is connected to the anode of the first diode D1, and a cathode of the first diode D1 is connected to the input end of the comparing module 30.
It should be noted that the signals input by the third operational amplifier OP3 are the collected total stress point number electrical signals and the engineering progress reference signal, the voltage value of the stress point number electrical signals is subtracted by the voltage value of the engineering progress reference signal to obtain a voltage difference value, and the voltage difference value represents the number of newly added stress points on the day. In general, the voltage value of the stress point number electrical signal should be greater than that of the engineering progress reference signal, i.e., the output of the third operational amplifier OP3 should be a forward voltage. When the output of the third operational amplifier OP3 is a reverse voltage, the first diode D1 plays a role of preventing reverse flow, and the voltage input from the output end of the third operational amplifier OP3 is prevented from damaging the third operational amplifier OP 3.
In this embodiment, the comparing unit 31 includes: first to fourth voltage comparators;
an output end of the operation module 20 is connected to the positive input end of the first voltage comparator U1, the positive input end of the second voltage comparator U2, the positive input end of the third voltage comparator U3, and the positive input end of the fourth voltage comparator U4, the negative input end of the first voltage comparator U1, the negative input end of the second voltage comparator U2, the negative input end of the third voltage comparator U3, and the negative input end of the fourth voltage comparator U4 are connected to an output end of the voltage dividing unit 32, and an output end of the first voltage comparator U1, an output end of the second voltage comparator U2, an output end of the third voltage comparator U3, and an output end of the fourth voltage comparator U4 are connected to the engineering system terminal.
It should be noted that the output of the voltage comparator is 0 or 1, in this embodiment, a plurality of voltage comparators may be provided, and the greater the number of the voltage comparators, the more accurate the obtained engineering progress. Taking fig. 3 as an example for explanation, in fig. 3, four voltage comparators are provided, that is, there are four outputs, and the first voltage comparator U1 outputs a high level, and the other voltage comparators all output a low level, that is, a signal received by the engineering system terminal is 1000, which indicates that the current engineering progress is between 0% and 25% of the total engineering quantity today, and if the first voltage comparator U1 outputs a high level, the second voltage comparator U2 also outputs a high level, and the other voltage comparators all output a low level, that is, a signal received by the engineering system terminal is 1100, which indicates that the current engineering progress is between 25% and 50% of the total engineering quantity today; by analogy, the approximate project progress can be obtained, and if more accurate project progress is obtained, more voltage comparators are needed to be additionally arranged.
In this embodiment, the voltage dividing unit 32 includes: sixth to eighth resistors;
the first end of the sixth resistor R6 is connected to the negative input end of the first voltage comparator U1 and the ground, the negative input end of the first voltage comparator U1 is grounded, the second end of the sixth resistor R6 is connected to the negative input end of the second voltage comparator U2 and the first end of the seventh resistor R7, the negative input end of the second voltage comparator U2 is connected to the first end of the seventh resistor R7, the second end of the seventh resistor R7 is connected to the negative input end of the third voltage comparator U3 and the first end of the eighth resistor R8, the negative input end of the third voltage comparator U3 is connected to the first end of the eighth resistor R8, the second end of the eighth resistor R8 is connected to the negative input end of the fourth voltage comparator U4 and the power supply end, and the negative input end of the fourth voltage comparator U4 is connected to the power supply end VDD.
It can be understood that the voltage value output by the power supply terminal VDD of the circuit is usually a fixed voltage value, and at the time of specific setting, a plurality of reference voltages meeting the requirement of the present scheme can be obtained in a voltage division manner, so as to estimate the current project progress. Referring to fig. 3, a voltage divider circuit including a plurality of resistors will be described as an example in fig. 3.
In this embodiment, the engineering progress monitoring circuit further includes: a digital-to-analog conversion module;
the input end of the digital-to-analog conversion module is connected with the output end of the data acquisition module 10, and the output end of the digital-to-analog conversion module is connected with the operation module 20;
it should be understood that in the present embodiment, the signal acquired by the data acquisition module 10 may be a digital signal, and the difference of the stress points cannot be determined by comparing the digital signals. For example, two digital signals are 1 and 0, and the two signals are the same signal in the comparison process, which cannot reflect the number difference. Therefore, in this embodiment, a digital-to-analog conversion module may be further provided, and when the stress point number electrical signal is a digital signal, the digital-to-analog conversion module may convert the collected stress point number electrical signal into a corresponding analog electrical signal.
In order to achieve the above object, the utility model also provides an engineering progress monitored control system, engineering progress monitored control system includes as above-mentioned engineering progress monitoring circuit. The specific structure of the project progress monitoring circuit refers to the above embodiments, and since the project progress monitoring system adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by the technical solutions of the above embodiments are achieved, and details are not repeated here.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or the application in other related technical fields directly or indirectly, are included in the patent protection scope of the present invention.
Claims (10)
1. A project progress monitoring circuit, comprising: the device comprises a data acquisition module, an operation module and a comparison module;
the data acquisition module is sequentially connected with the operation module and the comparison module, the comparison module is connected with an engineering system terminal, and the data acquisition module is connected with an external pressure sensor;
the data acquisition module is used for acquiring the number of stress points in building construction to obtain stress point number electric signals and transmitting the stress point number electric signals to the operation module;
the operation module is used for operating the voltage value of the received stress point number electric signal and the voltage value of the stress data volume reference signal to obtain a number difference voltage signal and transmitting the number difference voltage signal to the comparison module;
the comparison module is used for comparing the voltage value of the number difference voltage signal with the voltage value of the engineering progress reference signal to obtain a voltage comparison signal, and sending the voltage comparison signal to the engineering system terminal so that the engineering system terminal can confirm the current engineering progress according to the voltage comparison signal.
2. The project progress monitoring circuit of claim 1, wherein the arithmetic module comprises: a first amplifying unit, a second amplifying unit and a subtraction unit;
the first amplifying unit is connected with the subtraction unit, the second amplifying unit is connected with the subtraction unit, and the subtraction unit is connected with the comparison module;
the first amplifying unit is used for amplifying the electric signal of the stress point number input by the data acquisition module and then outputting the electric signal of the stress point number to the subtraction operation unit;
the second amplifying unit is used for buffering the stress data quantity reference signal and outputting the buffered stress data quantity reference signal to the subtraction unit;
the subtraction unit is configured to subtract the voltage value of the amplified stress point number electrical signal input by the first amplification unit from the voltage value of the buffered stress data amount reference signal input by the second amplification unit to obtain a number difference voltage signal, and output the number difference voltage signal to the comparison module.
3. The project progress monitoring circuit according to claim 2, wherein the first amplification unit includes: the circuit comprises a first operational amplifier, a first resistor and a second resistor;
the positive input end of the first operational amplifier is connected to the data acquisition module, the negative input end of the first operational amplifier is connected to the second end of the first resistor and the first end of the second resistor, the second end of the first resistor is connected to the first end of the second resistor, the first end of the first resistor is grounded, the second end of the second resistor is connected to the output end of the first operational amplifier and the input end of the subtraction unit, and the output end of the first operational amplifier is connected to the input end of the subtraction unit.
4. The project progress monitoring circuit according to claim 3, wherein the second amplifying unit includes: a second operational amplifier;
the positive input end of the second operational amplifier is the input end of the stress data volume reference signal, the negative input end of the second operational amplifier is connected with the output end of the second operational amplifier, and the output end of the second operational amplifier is connected with the subtraction unit.
5. The project progress monitoring circuit according to claim 4, wherein the subtraction operation unit includes: the first operational amplifier, the first resistor, the second resistor, the third resistor, the fourth resistor, the fifth resistor and the first diode;
the positive input end of the third operational amplifier is connected with the second end of the third resistor and the output end of the first amplifying unit, the second end of the third resistor is connected with the output end of the first amplifying unit, the first end of the third resistor is grounded, the negative input end of the third operational amplifier is connected with the second end of the fourth resistor and the first end of the fifth resistor, the second end of the fourth resistor is connected with the first end of the fifth resistor, the first end of the fourth resistor is connected with the output end of the second amplifying unit, the second end of the fifth resistor is connected with the output end of the third operational amplifier and the anode of the first diode, the output end of the third operational amplifier is connected with the anode of the first diode, and the cathode of the first diode is connected with the input end of the comparing module.
6. The project progress monitoring circuit of claim 5, wherein the comparison module comprises: a comparison unit and a voltage division unit;
the comparison unit is respectively connected with the voltage division unit, the operation module and the engineering system terminal, and the voltage division unit is connected with a power supply end;
the voltage division unit is used for dividing the voltage input by the power supply end to obtain a plurality of engineering progress reference signals;
and the comparison unit is used for sequentially comparing the voltage values of the number difference voltage signals with the voltage values of the plurality of engineering progress reference signals to obtain voltage comparison signals and sending the voltage comparison signals to the engineering system terminal so that the engineering system terminal confirms the current engineering progress according to the voltage comparison signals.
7. The project progress monitoring circuit according to claim 6, wherein the comparing unit includes: first to fourth voltage comparators;
the output end of the operation module is connected to the positive input end of the first voltage comparator, the positive input end of the second voltage comparator, the positive input end of the third voltage comparator and the positive input end of the fourth voltage comparator, the negative input end of the first voltage comparator, the negative input end of the second voltage comparator, the negative input end of the third voltage comparator and the negative input end of the fourth voltage comparator are connected to the output end of the voltage divider unit, respectively, and the output ends of the first voltage comparator, the second voltage comparator, the third voltage comparator and the fourth voltage comparator are connected to the engineering system terminal, respectively.
8. The project progress monitoring circuit according to claim 7, wherein the voltage dividing unit includes: sixth to eighth resistors;
the first end of the sixth resistor is connected with the negative input end of the first voltage comparator and the ground, the negative input end of the first voltage comparator is grounded, the second end of the sixth resistor is connected with the negative input end of the second voltage comparator and the first end of the seventh resistor, the negative input end of the second voltage comparator is connected with the first end of the seventh resistor, the second end of the seventh resistor is connected with the negative input end of the third voltage comparator and the first end of the eighth resistor, the negative input end of the third voltage comparator is connected with the first end of the eighth resistor, the second end of the eighth resistor is connected with the negative input end and the power supply end of the fourth voltage comparator, and the negative input end of the fourth voltage comparator is connected with the power supply end.
9. The project progress monitoring circuit of claim 8, further comprising: a digital-to-analog conversion module;
the input end of the digital-to-analog conversion module is connected with the output end of the data acquisition module, and the output end of the digital-to-analog conversion module is connected with the operation module;
the digital-to-analog conversion module is used for converting the stress point number electric signals output by the data acquisition module into stress point number analog electric signals and sending the stress point number analog electric signals to the operation module;
the operation module is further configured to operate the voltage value of the received stress point number analog electrical signal and the voltage value of the stress data amount reference signal to obtain a number difference voltage signal, and transmit the number difference voltage signal to the comparison module.
10. A project progress monitoring system comprising a project progress monitoring circuit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222355932.0U CN217878097U (en) | 2022-09-06 | 2022-09-06 | Engineering progress monitoring circuit and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222355932.0U CN217878097U (en) | 2022-09-06 | 2022-09-06 | Engineering progress monitoring circuit and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217878097U true CN217878097U (en) | 2022-11-22 |
Family
ID=84081870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222355932.0U Active CN217878097U (en) | 2022-09-06 | 2022-09-06 | Engineering progress monitoring circuit and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217878097U (en) |
-
2022
- 2022-09-06 CN CN202222355932.0U patent/CN217878097U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217878097U (en) | Engineering progress monitoring circuit and system | |
| CN102012484A (en) | Circuit for regulating terminal voltage difference measurement range of storage battery | |
| CN111721995A (en) | Isolation sampling circuit of direct current voltage signal | |
| CN201247401Y (en) | Apparatus for collecting and processing signal of subway stray current optical fiber sensing system | |
| CN209842605U (en) | Bus type isolator | |
| CN215338365U (en) | Alternating current signal transmitter | |
| CN113447049B (en) | Alternating current signal transmitter | |
| CN103777069B (en) | Multi-group power power measurement system and operational approach thereof | |
| CN101034027A (en) | Intelligent pressure sensor | |
| CN101261169A (en) | Crossbeam type oil pumping machine feed sensor calibration system and its calibration method | |
| CN215767434U (en) | Intelligent charging furnace temperature detection circuit, device and tester | |
| CN109688037B (en) | M-Bus master station circuit | |
| CN219039601U (en) | High-resolution high-speed signal real-time acquisition circuit | |
| CN207197757U (en) | A kind of structural static experimental data acquisition system based on Zigbee radio communications | |
| CN112186709A (en) | Anti-static protection system and protection method for communication of Internet of things | |
| CN218496294U (en) | Pressure detection device | |
| CN221173657U (en) | Wide-temperature working high-precision temperature sensor based on three-wire PT100 | |
| CN200941111Y (en) | Neutral point resistance information detection recorder | |
| CN214200424U (en) | Four-wire system temperature acquisition and self-checking circuit | |
| CN110879557A (en) | Intelligent electric meter safety monitoring system | |
| CN217403672U (en) | Armored vehicle pressure sensing system | |
| CN215218961U (en) | Precise remote wide voltage detection device | |
| CN204189187U (en) | A kind of vehicle carried electronic label with power consumption detection and excess current protective function | |
| CN217980499U (en) | Weighing detection system of aerial work platform | |
| CN209858987U (en) | Circuit for avoiding analog signal acquisition interference |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An Engineering Progress Monitoring Circuit and System Granted publication date: 20221122 Pledgee: Wuhan Caidian Branch of Hubei Bank Co.,Ltd. Pledgor: WUHAN ZONGHENG SMART CITY CO.,LTD. Registration number: Y2024980021347 |