CN113703374A - Liquid detection system - Google Patents

Liquid detection system Download PDF

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Publication number
CN113703374A
CN113703374A CN202111074116.6A CN202111074116A CN113703374A CN 113703374 A CN113703374 A CN 113703374A CN 202111074116 A CN202111074116 A CN 202111074116A CN 113703374 A CN113703374 A CN 113703374A
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China
Prior art keywords
signal
detection
module
control
liquid
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Pending
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CN202111074116.6A
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Chinese (zh)
Inventor
兰昱旻
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Aleph Electronics Shenzhen Co ltd
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Aleph Electronics Shenzhen Co ltd
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Priority to CN202111074116.6A priority Critical patent/CN113703374A/en
Publication of CN113703374A publication Critical patent/CN113703374A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00

Abstract

The embodiment of the invention discloses a liquid detection system, which comprises a control module, a multi-path signal switching module, a detection module and a single-path signal processing module, wherein the control module is used for controlling the multi-path signal switching module to switch the multi-path signal; the multi-channel signal switching module comprises a plurality of signal switching units, the detection module comprises a plurality of detection units, and the detection units correspond to the signal switching units; the control module comprises a control signal output end and a processing signal receiving end, and the multi-path signal switching module comprises a control signal receiving end; the detection module comprises a detection signal output end; the multi-channel signal switching module comprises a first transmission end of a detection signal and a second transmission end of the detection signal, the single-channel signal processing module comprises a detection signal receiving end and a processing signal output end, and the control module, the multi-channel signal switching module, the detection module and the single-channel signal processing module in the liquid detection system are connected step by step. After the multi-channel signal switching module acquires the control signal, each channel transmits the liquid detection signal to the single-channel signal processing module, so that the detection result is guaranteed, and the system cost is saved.

Description

Liquid detection system
Technical Field
The embodiment of the invention relates to the technical field of detection, in particular to a liquid detection system.
Background
Most of devices or equipment for detecting the existence of supplied liquid in the market at present adopt a capacitance sensor or a photoelectric sensor for detection, and usually, each detection signal is independently processed and then an identifiable signal is transmitted to a central processing unit or an upper computer for judging the existence of the liquid.
However, the capacitance sensor and the photoelectric sensor used in the liquid detection device in the prior art are greatly influenced by the environment, and the detection precision is easily influenced. The cost for processing each path of detection signal independently is high, a plurality of interfaces are needed for transmitting the detection signal to the central processing unit and the upper computer, and the occupied upper computer resources are large.
Disclosure of Invention
The invention provides a liquid detection system, wherein a control module, a multi-path signal switching module, a detection module and a single-path signal processing module in the liquid detection system are connected step by step so as to realize the detection of the liquid detection system on the liquid flow information in a plurality of containers to be detected, the liquid detection system has a simple structure while the detection efficiency is ensured, and the cost of the detection system is saved.
The embodiment of the invention provides a liquid detection system, which comprises a control module, a multi-path signal switching module, a detection module and a single-path signal processing module, wherein the control module is used for controlling the multi-path signal switching module to switch between a first state and a second state;
the multi-channel signal switching module comprises a plurality of signal switching units, the detection module comprises a plurality of detection units, and the detection units correspond to the signal switching units one to one;
the control module comprises a control signal output end and a processing signal receiving end, and the multi-path signal switching module comprises a control signal receiving end;
the detection module is used for generating detection information according to the flow information of the liquid in the container to be detected and comprises a detection signal output end; the multi-channel signal switching module comprises a first detection signal transmission end and a second detection signal transmission end, and the single-channel signal processing module comprises a detection signal receiving end and a processing signal output end;
the control signal output end is electrically connected with the control signal receiving end, and the plurality of signal switching units are used for switching on or off according to the control signals received by the control signal receiving end; the detection signal output end is electrically connected with the detection signal first transmission end, the detection signal second transmission end is electrically connected with the detection signal receiving end, and the processing signal output end is electrically connected with the processing signal receiving end.
Optionally, the detection module is configured to generate detection information in real time according to flow information of the liquid in the container to be detected;
the signal switching unit comprises a first switch, and the first switch comprises the control signal receiving end, the detection signal first transmission end and the detection signal second transmission end.
Optionally, the signal switching unit includes a first switch and a second switch;
the first switch comprises a control signal receiving end, a detection signal first transmission end and a detection signal second transmission end;
the second change-over switch comprises a control signal receiving end, a starting signal first transmission end and a starting signal second transmission end;
the single-channel signal processing module further comprises an opening signal output end, and the detection module comprises an opening signal receiving end;
the opening signal output end is electrically connected with the opening signal first transmission end, the opening signal second transmission end is electrically connected with the opening signal receiving end, and the detection module is further used for starting the operation of generating detection information according to the flow information of the liquid in the container to be detected according to the opening signal received by the opening signal receiving end.
Optionally, the liquid detection system further comprises an upper computer;
the control module is in communication connection with the upper computer and is used for transmitting the processing information received by the processing signal receiving end to the upper computer.
Optionally, the control module is configured to generate a control signal;
or the control module is used for receiving the control signal sent by the upper computer.
Optionally, the liquid detection system further comprises a communication module;
the control module is in communication connection with the upper computer through the communication module.
Optionally, the multi-channel signal switching module further includes a transmission main;
and the signal switching units are electrically connected with the single-channel signal processing module through the transmission main channel.
Optionally, the control module includes a plurality of control signal transmission channels;
the number of the control signal transmission channels is less than or equal to the number of the signal switching units, and the control signals transmitted in the control signal transmission channels are used for controlling at least one signal switching unit to be switched on or switched off.
Optionally, the container to be detected comprises a container body and a liquid supply loop communicated with the container body;
the detection unit is disposed in the liquid supply circuit.
Optionally, the detection unit includes an ultrasonic detection sensor.
The liquid detection system provided by the embodiment of the invention comprises a control module, a multi-path signal switching module, a detection module and a single-path signal processing module; the multi-channel signal switching module comprises a plurality of signal switching units, the detection module comprises a plurality of detection units, the detection units correspond to the signal switching units one to one, the signal switching units are used for being switched on or switched off according to control signals, the detection module is further controlled to generate detection information according to flow information of liquid in a container to be detected, and the signal switching units transmit the acquired detection information to the control module through the single-channel signal processing module. And the multi-channel signal switching module is used for sending a logic control signal to switch on and off according to the control module, and when the multi-channel signal switching module is switched on, the detection information generated by the detection of the plurality of detection units is acquired and transmitted to the single-channel signal processing module. The liquid detection device has the advantages that the liquid in the containers to be detected in multiple paths is detected through the multi-path signal switching module and the single-path signal processing module, the problem that in the prior art, each path of detection signals need to be processed independently and then transmitted to the control module is solved, and the cost of the liquid detection system is saved on the premise of ensuring the accuracy of detection results.
Drawings
Fig. 1 is a schematic structural diagram of a liquid detection system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of another liquid detection system provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another liquid detection system provided in the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural diagram of a liquid detection system according to an embodiment of the present invention, and as shown in fig. 1, the liquid detection system 10 includes a control module 110, a multi-path signal switching module 120, a detection module 130, and a single-path signal processing module 140;
the multi-path signal switching module 120 includes a plurality of signal switching units 121, the detection module 130 includes a plurality of detection units 131, and the detection units 131 correspond to the signal switching units 121 one to one;
the control module 110 includes a control signal output terminal 110A and a processing signal receiving terminal 110B, and the multi-path signal switching module 120 includes a control signal receiving terminal 120A;
the detection module 130 is configured to generate detection information according to flow information of a liquid in a container (not shown) to be detected, and the detection module 130 includes a detection signal output end 130A; the multi-channel signal switching module 120 includes a first transmission end 120B of the detection signal and a second transmission end 120C of the detection signal, and the single-channel signal processing module 140 includes a detection signal receiving end 140A and a processing signal output end 140B;
the control signal output end 110A is electrically connected to the control signal receiving end 120A, and the plurality of signal switching units 121 are configured to be turned on or off according to the control signal received by the control signal receiving end 120A; the detection signal output terminal 130A is electrically connected to the detection signal first transmission terminal 120B, the detection signal second transmission terminal 120C is electrically connected to the detection signal receiving terminal 140A, and the processing signal output terminal 140B is electrically connected to the processing signal receiving terminal 110B.
The liquid detection system 10 provided in the embodiment of the present invention includes a control module 110, a multi-path signal switching module 120, a detection module 130, and a single-path signal processing module 140. The multi-signal switching module 120 includes a plurality of signal switching units 121, and the detection module 130 includes a plurality of detection units 131. Meanwhile, the detecting units 131 are in one-to-one correspondence with the signal switching units 121, and information detected by each detecting unit 131 is guaranteed to be transmitted to the corresponding signal switching module 121.
The control module 110 is electrically connected to the multi-path signal switching module 120 and the single-path signal processing module 140, respectively, and the control module 110 sends out a logic control signal and receives detection information. Specifically, the control module 110 sends a logic control signal, and the multi-path signal switching module 120 obtains the logic control signal. The control module 110 is electrically connected to the multi-path signal switching module 120, so that the signal switching units 121 are turned on or off according to the logic control signal sent by the control module 110. The multi-path signal switching module 120 is electrically connected to the detection module 130. Specifically, the signal switching unit 121 is electrically connected to the detecting units 131, and when the signal switching unit 121 is turned on, the detecting units 131 are controlled to detect the liquid flow information in the container to be detected (not shown in the figure) and generate the detection information. The multi-channel signal switching module 120 is electrically connected to the single-channel signal processing module 140, and transmits the detection information generated by the detection unit 131 to the single-channel signal processing module 140. The single-channel signal processing module 140 processes the acquired detection information and sends the processed detection information to the control module.
For example, the control module 110 sends a logic control signal to the multiple signal switching module 120 to control one of the signal switching units 121 to be turned on. The detecting unit 131 correspondingly connected to the multi-signal switching unit 121 is used for detecting the liquid flow information in the container to be detected (not shown in the figure) and generating and uploading the detection information. The detection information is transmitted to the one-way signal processing module 140 through the signal switching unit 121. The one-way signal processing module 140 transmits the detection information obtained by the processing to the control module 110. The multi-channel signal switching module 120 transmits the acquired detection information of the multi-channel detection unit 131 to the single-channel signal processing module 140, so that the detection information of each channel of detection unit 131 is prevented from being transmitted and processed independently.
To sum up, the liquid detection system provided by the embodiment of the present invention includes a control module, a multi-path signal switching module, a detection module, and a single-path signal processing module; the multi-channel signal switching module comprises a plurality of signal switching units, the detection module comprises a plurality of detection units, the detection units correspond to the signal switching units one to one, the signal switching units are used for being switched on or switched off according to control signals, the detection module is further controlled to generate detection information according to flow information of liquid in a container to be detected, and the signal switching units transmit the acquired detection information to the control module through the single-channel signal processing module. The control module controls the multi-channel signal switching module to be conducted, and the detection information of the detection module is transmitted to the control module through the single-channel signal processing module. The liquid detection device can detect whether liquid exists in a plurality of containers to be detected, solves the problem that in the prior art, each detection signal needs to be processed independently and then transmitted to the control module, and saves the cost of the liquid detection system on the premise of ensuring the accuracy of the detection result.
Fig. 2 is a schematic structural diagram of another liquid detection system provided in an embodiment of the present invention, wherein the detection module 130 is configured to generate detection information in real time according to flow information of liquid in a container (not shown) to be detected;
the signal switching unit 121 includes a first switch 1211, and the first switch 1211 includes a control signal receiving terminal 120A, a detection signal first transmitting terminal 120B, and a detection signal second transmitting terminal 120C.
The signal switching unit 121 in the liquid detection system 10 includes a first switch 1211. The detection module 130 is used for generating detection information in real time according to the flow information of the liquid in the container (not shown in the figure) to be detected. The multi-channel signal switching module 120 controls the on/off of one of the first switches 1211 according to the logic control information, and transmits the real-time detection information corresponding to the on/off first switch 1211 to the single-channel information processing module 140. Accurate acquisition of the detection information of the plurality of detection units 131 is achieved.
Specifically, the first switch 1211 is electrically connected to the control module 110, and the first switch 1211 receives the logic control information from the control module 110 to control the on/off of the logic control information. The detection unit 131 is electrically connected to the first switch 1211, and the detection unit 131 uploads and does not upload the acquired detection information according to turning on and off of the first switch 1211. The first switch 1211 is electrically connected to the single signal processing module 140, and transmits the detection information to the single signal processing module 140. Illustratively, when the control module 110 controls the first switch 1211 to be turned on through the issued logic control information, the detection unit 131 generates detection information for detecting the flow information of the liquid in the container to be tested (not shown in the figure), and transmits the detection information to the one-way signal processing module 140 through the first switch 1211. When each of the detecting units 131 performs detection in real time, the real-time detection information of the detecting unit 131 connected to the first switch 1211 is transmitted to the single-channel signal processing module 140 through the multi-channel signal switching module 120.
Fig. 3 is a schematic structural diagram of another liquid detection system provided in the embodiment of the present invention, wherein the signal switching unit 121 includes a first switch 1211 and a second switch 1212;
the first switch 1211 includes a control signal receiving terminal 120A, a detection signal first transmitting terminal 120B, and a detection signal second transmitting terminal 120C;
the second switch 1212 includes a control signal receiving end 120A, an on signal first transmitting end 120D, and an on signal second transmitting end 120E;
the single-channel signal processing module 140 further includes an opening signal output end 140C, and the detection module 130 includes an opening signal receiving end 130B;
the opening signal output end 140C is electrically connected to the opening signal first transmission end 120D, the opening signal second transmission end 120E is electrically connected to the opening signal receiving end 130B, and the detection module 130 is further configured to open an operation of generating detection information according to flow information of liquid in a container (not shown in the figure) to be detected according to an opening signal received by the opening signal receiving end 130B.
Among them, the signal switching unit 121 may include a first switching switch 1211 and a second switching switch 1212. The first switch 1211 and the second switch 1212 are electrically connected to the control module 110, the detection unit 130, and the one-way signal processing module 140, respectively. The detection start control of the plurality of detection units 131 and the accurate acquisition of the detection information are realized.
Specifically, the second switch 1212 is electrically connected to the control module 110, and the second switch 1212 receives the logic control information sent by the control module 110 to control on and off of the logic control information. The second switch 1212 is electrically connected to the one-way signal processing module 140 and the detection unit 130, respectively. The single-channel signal processing module 140 transmits the start information to the detection unit 131 through the second switch 1212, and controls the detection module 130 to start detecting the container 150 to be detected, so as to generate the detection information. The control detection unit 131 transmits the first switch 1211, which detects the information turn-on, to the one-way information processing module 140.
For example, when the control module 110 controls the second switch 1212 to be turned on by the sent logic control information, the one-way information processing module 140 sends the start information through the second switch 1212 to control the detection unit 131 to detect the flow information of the liquid in the container 150 to be detected, so as to generate the detection information. When the control module 110 controls the first switch 1211 to be turned on through the sent logic control information, the detection unit 131 generates detection information by detecting the flow information of the liquid in the container 150 to be detected, and transmits the detection information to the one-way signal processing module 140 through the first switch 1211. The detection on control of the plurality of detection units 131 and the accurate acquisition of the detection information are realized by the first switch 1211 and the second switch 1212.
With continued reference to FIG. 1, the liquid detection system 10 further includes an upper computer 160;
the control module 110 is in communication connection with the upper computer 160, and is configured to transmit processing information received by the processing signal receiving terminal 110B to the upper computer 160. Meanwhile, the liquid detection system 10 further includes a communication module 170; the control module 110 is communicatively connected to the upper computer 160 through the communication module 170.
Wherein, liquid detecting system 10 includes host computer 160. The upper computer 160 is a computer capable of directly sending out an operation instruction and simultaneously receiving feedback information of the relevant instruction. In the embodiment of the present invention, the control module 110 and the upper computer 160 implement communication connection in a manner of a communication protocol provided by the communication module 170, where the communication protocol is, for example, 485 communication, and the embodiment of the present invention is not limited to the specific communication protocol. The interfaces of the upper computer 160 can be reduced in a communication protocol mode, excessive occupation of resources of the upper computer 160 is avoided, and the cost of the device is saved more effectively.
Referring to fig. 1-3, an embodiment of the present invention provides a liquid detection system 10, wherein a control module 110 is used for generating a control signal; or, the control module 110 is configured to receive a control signal sent by the upper computer 160.
The control module 110 in the liquid detection system 10 is a micro-control unit, which is also called a single-chip microcomputer. The control module 110 can obtain the control signal sent by the upper computer 160 to generate a related control instruction, and can also generate the control signal according to a programmed program to send the control instruction to a specific device. The liquid detection system 10 provided by the embodiment of the invention adopts the control module 110, so that the safety and reliability of the liquid detection system 10 are improved, and the accuracy of the detection result of the liquid detection system 10 is ensured.
With continued reference to fig. 2 and 3, the multiple signal switching module 120 further includes a transmission bus 122;
the plurality of signal switching units 121 are electrically connected to the single-channel signal processing module 140 through the transmission main 120.
The multiple signal switching module 120 includes a transmission main 122. As shown in fig. 2, the transmission main 122 includes a transmission line connecting the first switch 1211 and the single-channel signal processing module 140, so that the plurality of signal switching units 121 are electrically connected to the single-channel signal processing module 140 through the transmission main 120. As shown in fig. 3, the transmission main 122 includes transmission lines for connecting the first switch 1211 and the second switch unit 1212 to the single-channel signal processing module 140, so that the plurality of signal switching units 121 are electrically connected to the single-channel signal processing module 140 through the transmission main 120. The multiplexing switching module 120 is electrically connected to the plurality of detecting units 131 and the single-channel signal processing module 140 through the transmission trunk 122. The detection information generated by the plurality of detection units 131 is transmitted to the one-way signal processing module 140. The detection information generated by each path of detection unit 131 is prevented from being transmitted and processed independently, the start information transmission and detection information acquisition of the plurality of detection units 131 by the plurality of switching units 121 are ensured, and the accurate information acquisition of the plurality of paths of detection units 131 is realized.
Referring to fig. 3, the control module 110 includes a plurality of control signal transmission channels 111;
the number of the control signal transmission channels 111 is less than or equal to the number of the signal switching units 121, and the control signal transmitted in the control signal transmission channels 111 is used for controlling at least one signal switching unit 121 to be turned on or off.
The control module 110 sends a logic control signal through the control signal transmission channel 111 to control the on/off of the signal switching unit 121. The control module 110 outputs control information of high level, low level and logic selection to the signal switching unit 121 through the control signal transmission channel 111. The number of the control signal transmission channels 111 is less than or equal to the number of the signal switching units 121, and the control signal transmitted in the control signal transmission channels 111 is used for controlling at least one signal switching unit 121 to be turned on or off. Illustratively, when there are n control signal transmission channels 111 (n is a positive integer equal to or greater than 1), at least 2^ n signal switching units 121 can be controlled. The presence or absence of liquid in the multiple containers 150 to be detected can be detected by the on and off of the control signal switching unit 121, which is provided by the control module 110 and has a few control signal transmission channels 111 with high efficiency and precision.
Referring to fig. 3, the container to be inspected 150 includes a container body 151 and a liquid supply circuit 152 communicating with the container body 151;
the detection unit 131 is provided in the liquid supply circuit 152.
Therein, the container 150 to be tested comprises a container body 151 and a liquid supply circuit 152 communicating with the container body 151. The liquid detection system 10 is a system for detecting the presence or absence of liquid in the plurality of container bodies 151, and the detection unit 131 is provided in the supply circuit 152. Specifically, whether the container 150 to be inspected has liquid or not is judged by judging whether the liquid has flowed out from the liquid supply circuit 152 communicating with the container body 151 or not. Illustratively, when the detecting unit 131 detects that the liquid supply circuit 152 has the liquid inflow and the liquid outflow, the detecting unit 131 generates detection information that the container 150 to be detected has the liquid therein, and when the detecting unit 131 detects that the liquid supply circuit 152 has no liquid inflow and no liquid outflow, the detecting unit 131 generates detection information that the container 150 to be detected has no liquid therein. The liquid detection system 10 provided by the embodiment of the invention can accurately judge whether the container 150 to be detected has liquid or not through the detection unit 131 and generate detection information.
With continued reference to fig. 1-3, the detection unit 131 includes an ultrasonic detection sensor.
The detection unit 131 includes an ultrasonic sensor, which can ensure the accuracy and reliability of the detection result of the liquid detection system 10, and is not affected by the liquid type, environment, and other factors. The detection unit 131 may also be a capacitance sensor or a photoelectric sensor, and although the liquid detection system provided in the embodiment of the present invention can be implemented, it is greatly influenced by environmental factors.
To sum up, the liquid detection system provided by the embodiment of the present invention includes a control module, a multi-path signal switching module, a detection module, and a single-path signal processing module. And the multi-channel signal switching module is used for sending a logic control signal to switch on and off according to the control module, and when the multi-channel signal switching module is switched on, the detection information generated by the detection of the plurality of detection units is acquired and transmitted to the single-channel signal processing module. The liquid detection device has the advantages that the liquid in the containers to be detected in multiple paths is detected through the multi-path signal switching module and the single-path signal processing module, the problem that in the prior art, each path of detection signals need to be processed independently and then transmitted to the control module is solved, and the cost of the liquid detection system is saved on the premise of ensuring the accuracy of detection results.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A liquid detection system is characterized by comprising a control module, a multi-path signal switching module, a detection module and a single-path signal processing module;
the multi-channel signal switching module comprises a plurality of signal switching units, the detection module comprises a plurality of detection units, and the detection units correspond to the signal switching units one to one;
the control module comprises a control signal output end and a processing signal receiving end, and the multi-path signal switching module comprises a control signal receiving end;
the detection module is used for generating detection information according to the flow information of the liquid in the container to be detected and comprises a detection signal output end; the multi-channel signal switching module comprises a first detection signal transmission end and a second detection signal transmission end, and the single-channel signal processing module comprises a detection signal receiving end and a processing signal output end;
the control signal output end is electrically connected with the control signal receiving end, and the plurality of signal switching units are used for switching on or off according to the control signals received by the control signal receiving end; the detection signal output end is electrically connected with the detection signal first transmission end, the detection signal second transmission end is electrically connected with the detection signal receiving end, and the processing signal output end is electrically connected with the processing signal receiving end.
2. The liquid detection system of claim 1, wherein the detection module is configured to generate detection information in real time according to flow information of the liquid in the container to be detected;
the signal switching unit comprises a first switch, and the first switch comprises the control signal receiving end, the detection signal first transmission end and the detection signal second transmission end.
3. The liquid detection system of claim 1, wherein the signal switching unit includes a first switch and a second switch;
the first switch comprises a control signal receiving end, a detection signal first transmission end and a detection signal second transmission end;
the second change-over switch comprises a control signal receiving end, a starting signal first transmission end and a starting signal second transmission end;
the single-channel signal processing module further comprises an opening signal output end, and the detection module comprises an opening signal receiving end;
the opening signal output end is electrically connected with the opening signal first transmission end, the opening signal second transmission end is electrically connected with the opening signal receiving end, and the detection module is further used for starting the operation of generating detection information according to the flow information of the liquid in the container to be detected according to the opening signal received by the opening signal receiving end.
4. The liquid detection system of claim 1, further comprising an upper computer;
the control module is in communication connection with the upper computer and is used for transmitting the processing information received by the processing signal receiving end to the upper computer.
5. The liquid detection system of claim 4, wherein the control module is configured to generate a control signal;
or the control module is used for receiving the control signal sent by the upper computer.
6. The liquid detection system of claim 5, further comprising a communication module;
the control module is in communication connection with the upper computer through the communication module.
7. The liquid detection system of claim 1, wherein the multiplex signal switching module further comprises a transmission manifold;
and the signal switching units are electrically connected with the single-channel signal processing module through the transmission main channel.
8. The liquid detection system of claim 1, wherein the control module includes a plurality of control signal transmission channels;
the number of the control signal transmission channels is less than or equal to the number of the signal switching units, and the control signals transmitted in the control signal transmission channels are used for controlling at least one signal switching unit to be switched on or switched off.
9. The liquid detection system of claim 1, wherein the container to be tested comprises a container body and a liquid supply circuit in communication with the container body;
the detection unit is disposed in the liquid supply circuit.
10. The liquid detection system of claim 1, wherein the detection unit comprises an ultrasonic detection sensor.
CN202111074116.6A 2021-09-14 2021-09-14 Liquid detection system Pending CN113703374A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111074116.6A CN113703374A (en) 2021-09-14 2021-09-14 Liquid detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111074116.6A CN113703374A (en) 2021-09-14 2021-09-14 Liquid detection system

Publications (1)

Publication Number Publication Date
CN113703374A true CN113703374A (en) 2021-11-26

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Application Number Title Priority Date Filing Date
CN202111074116.6A Pending CN113703374A (en) 2021-09-14 2021-09-14 Liquid detection system

Country Status (1)

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