CN115877188A - Ultrasonic water meter circuit detection device - Google Patents
Ultrasonic water meter circuit detection device Download PDFInfo
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- CN115877188A CN115877188A CN202310199524.7A CN202310199524A CN115877188A CN 115877188 A CN115877188 A CN 115877188A CN 202310199524 A CN202310199524 A CN 202310199524A CN 115877188 A CN115877188 A CN 115877188A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The application relates to an ultrasonic water meter circuit detection device, relates to the technical field of production detection, includes: the base, the simulation subassembly, dismantlement subassembly and determine module, the circuit board groove that is used for placing the circuit board is offered to base level one side, the dismantlement subassembly sets up in the circuit board groove, the vertical one side of base sets up the ampere meter install bin, the ampere meter mounting groove has been seted up on the ampere meter install bin surface, the ampere meter install bin deviates from base one side and is provided with the installation baffle, the simulation subassembly sets up in the installation baffle, the binding post mounting groove has been seted up to one side that the ampere meter mounting groove was kept away from to the base, determine module sets up respectively in the ampere meter mounting groove, circuit board groove and binding post mounting groove. The method and the device have the effect of improving the test accuracy and the test efficiency of the circuit board.
Description
Technical Field
The application relates to a water gauge detection area especially relates to an ultrasonic water gauge circuit detection device.
Background
The water meter is a measuring device for measuring agricultural water taking, and mainly comprises a mechanical water meter, an electromagnetic water meter, an ultrasonic water meter and the like. The ultrasonic water meter converts the flow of the measured fluid by detecting the ultrasonic signal passing through the fluid, has no moving and flow resisting parts in the measured pipeline, small pressure loss, high sensitivity, extremely wide range ratio, simple structure and convenient maintenance. In recent years, with the rapid reduction of the price of ultrasonic elements and the rapid development of integrated circuit technology, the popularization of ultrasonic water meters is greatly promoted, and the supply amount is increasing day by day. The detection of the circuit board in the ultrasonic production process is an important link, and whether the circuit function is normal or not, whether the circuit power consumption meets the requirement or not, whether the circuit is normal or not after being connected with each external sensor or not can be judged through the detection of the circuit board. Therefore, it is important to design a detection device capable of being quickly disassembled and assembled to simulate the immersion environment of the ultrasonic water meter and the connection of the sensor.
Disclosure of Invention
In order to improve circuit board test accuracy and efficiency of software testing, this application provides an ultrasonic water meter circuit detection device.
In a first aspect, the present application provides an ultrasonic water meter circuit detection device, which adopts the following technical scheme:
the utility model provides an ultrasonic water meter circuit detection device, includes base, simulation subassembly, dismantlement subassembly and determine module, the circuit board groove that is used for placing the circuit board is seted up to base level one side, the dismantlement subassembly sets up in the circuit board groove, the vertical one side of base sets up the ampere meter install bin, the ampere meter install bin has been seted up on ampere meter install bin surface, the ampere meter install bin deviates from base one side is provided with the installation baffle, the simulation subassembly set up in the installation baffle, the base is kept away from one side of ampere meter install bin has been seted up the binding post mounting groove, determine module set up respectively in the ampere meter mounting groove the circuit board groove and in the binding post mounting groove.
By adopting the technical scheme, when circuit detection is carried out on the circuit board in the ultrasonic water meter, the circuit board is firstly placed in the circuit board groove, then the circuit board is fixed by adjusting the dismounting component, then the ultrasonic water meter infiltration environment is simulated by the simulation component, so that the accuracy of the circuit board measurement parameters is improved, then the detection component is started to carry out power-on test on each part and each sensor in the circuit board, so that the measurement parameters of the circuit board are obtained, a worker determines whether the current circuit board is abnormal according to the measurement parameters, finally the dismounting component is adjusted to remove the fixation of the circuit board, and the circuit board is taken out to carry out other circuit board tests, so that the effects of improving the circuit board test accuracy and the test efficiency are achieved.
In another possible implementation manner, the simulation component includes: the transducer packaging tube comprises a transducer packaging tube body, a sealing cover, an ultrasonic transducer, a transducer packaging tube core tube, a transducer gland and a testing connecting wire, wherein the transducer packaging tube body is connected with the mounting guide plate in an inserting mode in an adaptive mode, a water filling port is formed in the surface of the transducer packaging tube body, the sealing cover is connected with the water filling port in an airtight mode, the ultrasonic transducer is connected with two ends of the transducer packaging tube core tube in an abutting mode in an adaptive mode, the transducer packaging tube core tube body is connected with the transducer in an inserting mode after abutting, a flow guide port communicated with the water filling port is formed in the surface of the transducer packaging tube core tube body, the transducer gland is arranged at two ends of the transducer packaging tube body respectively, the transducer gland is close to one side of the transducer packaging tube body, a wire outlet is formed in one side of the transducer packaging tube body, and the testing connecting wire penetrates through the wire outlet and is connected with the ultrasonic transducer.
By adopting the technical scheme, after the circuit board is fixed on the circuit board groove by the dismounting assembly, the ultrasonic transducers are respectively and adaptively inserted and fixed at two ends of the transducer packaging tube core pipe, so that a closed space is formed in the transducer packaging tube core pipe, then the fixed ultrasonic transducers and the transducer packaging tube core pipe are inserted and arranged in the transducer packaging tube, the transducer pressing covers are arranged at two ends of the transducer packaging tube, the transducer packaging tube core pipe is prevented from sliding out of the transducer packaging tube, then a certain amount of water is injected to the water injection port, the water flow enters the transducer packaging tube core pipe after passing through the water injection port and the flow guide port respectively, then the sealing covers respectively seal the water injection port and the flow guide port, the ultrasonic transducers are soaked in the water injection transducer packaging tube core pipe to simulate the working state of an ultrasonic water meter, and the subsequent test accuracy of the circuit is improved.
In another possible implementation manner, the detachment assembly includes: the circuit board groove is close to one side of the wiring terminal mounting groove, the two vertical sides of a rotating shaft of the rotary pressing handle are abutted to the inner wall of the circuit board groove, the circuit board groove is abutted to the rotating shaft of the rotary pressing handle, a shaft pin groove is formed in the rotating shaft abutting position of the rotary pressing handle, one side of the rotating shaft of the rotary pressing handle is provided with a positioning hole communicated with the shaft pin groove, the spring shaft pin is inserted into the positioning hole, and the spring shaft pin is close to one end of the circuit board groove and is connected with the shaft pin groove in an adaptive mode.
Through adopting above-mentioned technical mode, when fixing the circuit board, the gyration is pressed the handle and is rotated to the direction of keeping away from the base along the pivot, then put into the circuit board inslot with the circuit board after, slowly press the handle to the direction of being close to the base with the gyration and rotate, keep away from self pivot one end and circuit board looks butt until the gyration is pressed the handle, the spring pin that lies in locating hole and axle round pin inslot this moment is pressed the handle and is applyed an elasticity of perpendicular to circuit board direction to the gyration to make the circuit board place for the circuit board groove is stable. After the circuit board is tested and taken out, the rotary pressing handle rotates along the rotating shaft to the direction far away from the base again, then the circuit board is taken out from the circuit board groove, another circuit board to be tested is put in, then the rotary pressing handle is slowly rotated to the direction close to the base until the rotary pressing handle is far away from one end of the rotating shaft of the rotary pressing handle and is connected with the other circuit board to be tested in a butting mode, and then the effect of quickly disassembling and assembling the circuit board is achieved.
In another possible implementation manner, the detection component includes: ammeter, power change over switch, spring contact pilotage and binding post, the ammeter sets up in the ammeter mounting groove, the circuit board groove is close to the pivot department that the gyration was pressed the handle and has seted up the probe mounting hole, spring contact pilotage set firmly in the probe mounting hole, just spring contact pilotage is close to circuit board one end with the contact point of circuit board corresponds the butt, spring contact pilotage keep away from circuit board one end with the test connecting wire is kept away from ultrasonic transducer one end and is connected, binding post set firmly in the binding post mounting groove for the test data of receiving circuit board, the base is close to ammeter install bin department has seted up two switch mounting holes, two the switch mounting hole is based on the symmetry axis symmetry of base sets up, power change over switch set up in the switch mounting hole for control power to the input voltage of the different specifications of output of circuit board.
Through adopting above-mentioned technical mode, after placing the circuit board, the corresponding butt of contact point and spring contact pilotage on the circuit board, keep away from circuit board one end with test connecting wire and spring contact pilotage simultaneously and be connected, so that acquire each part in the circuit board and ultrasonic transducer's test parameter, then select the power change over switch of different specifications and open according to the test demand, the voltage of appointed specification is respectively to ultrasonic water meter transducer afterwards, binding post, ampere meter and spring contact pilotage export, thereby reached and carried out quick receiving's effect to circuit board test parameter.
In another possible implementation manner, a guide groove is formed in the abutting position of the transducer packaging tube and the transducer packaging tube core tube, and a guide pin which is in adaptive insertion connection with the guide groove is fixedly arranged at the position, close to the guide groove, of the transducer packaging tube core tube.
By adopting the technical mode, the guide groove is in adaptive insertion connection with the guide pin, so that the transducer packaging tube core tube and the transducer packaging tube are correspondingly and stably arranged, and the relative stability of the transducer packaging tube core tube and the transducer packaging tube is improved.
In another possible implementation manner, a trapezoidal guide rail is fixedly arranged on one side, close to the mounting guide plate, of the transducer packaging tube, and a trapezoidal mounting guide groove which is in adaptive insertion connection with the trapezoidal guide rail is formed on one side, close to the transducer packaging tube, of the mounting plate.
By adopting the technical mode, the trapezoidal installation guide groove is in adaptive insertion connection with the trapezoidal guide rail, so that the transducer packaging tube and the installation guide plate are correspondingly and stably arranged, and the relative stability of the transducer packaging tube and the installation guide plate is improved.
In another possible implementation manner, a pouring sealant is coated at the abutting part of the transducer gland and the transducer packaging tube.
Through adopting above-mentioned technical mode, with the casting glue scribble locate the transducer gland with the butt department of transducer encapsulation pipe not only help improving the transducer gland with the relative stability of transducer encapsulation pipe, the casting glue still has insulating waterproof effect moreover, avoids follow-up emergence because of the electric shock accident appears in the infiltration.
In another possible implementation manner, a circuit processing device is connected to the connection terminal, and the circuit processing device includes: a system controller, and an alarm unit, wherein,
the system controller is connected with the wiring terminal and is used for receiving a voltage detection signal and a circuit detection signal, performing logic processing on the voltage detection signal and the circuit detection signal respectively, and generating and outputting a power supply abnormal instruction/a circuit abnormal instruction;
and the alarm unit is connected to the signal output end of the system controller and used for receiving and responding to the power supply abnormal instruction/the circuit abnormal instruction.
By adopting the technical scheme, after the system controller receives the voltage detection signal and the circuit detection signal, the voltage detection signal and the circuit detection signal are respectively subjected to logic processing to determine whether the current circuit board is qualified or not, and when the current circuit board is unqualified, the power supply abnormal instruction/circuit abnormal instruction is generated and output to control the alarm unit to perform alarm response, so that a worker can quickly know the problems of the current circuit board according to the alarm response of the alarm unit.
In another possible implementation manner, after receiving the voltage detection signal and the circuit detection signal, the system controller determines whether the switch states of the power switches are simultaneously turned on according to the voltage detection signal, determines whether the power supply voltage of the circuit board is a preset voltage based on the voltage detection signal if the switch states of the power switches are simultaneously turned on, and generates and outputs a power supply abnormal instruction if the power supply voltage of the circuit board is not the preset voltage;
if the switch states of the power supply changeover switches are not simultaneously started, determining whether the voltage supply voltage of the circuit board is consistent with the receiving voltage of the circuit board or not based on the voltage detection signal, and if not, generating and outputting a power supply abnormal instruction;
and if the power supply voltage of the circuit board is a preset voltage or the voltage supply voltage of the circuit board is consistent with the receiving voltage of the circuit board, judging whether a circuit system of the circuit board can identify and detect the RS485 signal output by the circuit board according to the circuit detection signal, and if the circuit system cannot identify and detect the RS485 signal output by the circuit board, outputting a circuit abnormal instruction.
By adopting the technical scheme, when the voltage detection signal and the circuit detection signal are logically processed, whether the switch states of the power supply change-over switch are simultaneously turned on is judged according to the voltage detection signal, if the switch states of the power supply change-over switch are simultaneously turned on, whether the power supply voltage of the circuit board is the preset voltage is determined based on the voltage detection signal, if the power supply voltage of the circuit board is not the preset voltage, a power supply abnormal instruction is generated and output, if the switch states of the power supply change-over switch are not simultaneously turned on, whether the power supply voltage of the circuit board is consistent with the receiving voltage of the circuit board is determined based on the voltage detection signal, if the power supply voltage of the circuit board is the preset voltage or the power supply voltage of the circuit board is consistent with the receiving voltage of the circuit board, whether the RS485 signal output by the circuit board can be identified and detected by a circuit system of the circuit board is judged according to the circuit detection signal, and if the RS485 signal output by the circuit board cannot be identified and detected, the circuit abnormal instruction is output, so that a subsequent worker can quickly know that the circuit board is abnormal according to the alarm unit.
In another possible implementation manner, the alarm unit includes a signal indicator light, a signal input end of the signal indicator light is connected to a signal output end of the system controller, and is configured to receive a power supply abnormality instruction/a circuit abnormality instruction, when the power supply abnormality instruction is received, the signal indicator light emits red light, and when the circuit abnormality instruction is received, the signal indicator light emits green light.
Through adopting above-mentioned technical mode, the staff confirms the unusual that current circuit board exists according to the illumination colour of signal indication lamp, has reached the effect that improves circuit board detection efficiency.
In summary, the present application includes at least one of the following beneficial technical effects:
by adopting the technical scheme, when circuit detection is carried out on the circuit board in the ultrasonic water meter, the circuit board is firstly placed in the circuit board groove, then the circuit board is fixed by adjusting the dismounting component, then the immersion environment of the ultrasonic water meter is simulated by the simulation component so as to improve the accuracy of the measurement parameters of the circuit board, then the detection component is started to carry out power-on test on each part and the sensor in the circuit board so as to obtain the measurement parameters of the circuit board, a worker determines whether the current circuit board is abnormal according to the measurement parameters, finally the dismounting component is adjusted to release the fixation of the circuit board, and the circuit board is taken out to carry out other circuit board tests, so that the effects of improving the test accuracy and the test efficiency of the circuit board are achieved;
after placing the circuit board, the corresponding butt of contact point and spring contact pilotage on the circuit board, keep away from circuit board one end with the test connecting wire with spring contact pilotage simultaneously and be connected, so that acquire each part in the circuit board and ultrasonic transducer's test parameter, then select the power change over switch of different specifications and open according to the test demand, the voltage of appointed specification is respectively to ultrasonic water meter transducer afterwards, binding post, ampere meter and spring contact pilotage export, thereby reached and carried out quick receiving's effect to circuit board test parameter.
Drawings
Fig. 1 is a schematic overall structure diagram of an ultrasonic water meter circuit detection device according to an embodiment of the present application;
fig. 2 is a schematic diagram of a partial explosion structure of an ultrasonic water meter circuit detection device according to an embodiment of the present application;
fig. 3 is a partial structural schematic diagram of an ultrasonic water meter circuit detection device according to an embodiment of the present application;
fig. 4 is a bottom view of the whole structure of a circuit processing device of the circuit detection device of the ultrasonic water meter according to the embodiment of the present application;
fig. 5 is a system schematic diagram of a circuit processing device of an ultrasonic water meter circuit detection device according to an embodiment of the present application;
fig. 6 is a schematic logic processing flow diagram of a circuit processing device of an ultrasonic water meter circuit detection device according to an embodiment of the present application.
Description of reference numerals: 1. a base; 101. a shaft pin slot; 102. a wiring terminal mounting groove; 103. a probe mounting hole; 104. a switch mounting hole; 105. a guide groove is installed in a trapezoidal shape; 106. an ammeter installation groove; 107. an ammeter installation box; 108. a circuit board slot; 109. installing a guide plate; 2. an ammeter; 3. rotating the pressing handle; 301. positioning holes; 4. a spring shaft pin; 5. a circuit board; 501. a contact point; 6. a wiring terminal; 7. a spring contact pin; 8. a transducer gland; 801. a wire outlet hole; 802. testing the connecting line; 9. an ultrasonic transducer; 10. the transducer encapsulates the tube core tube; 1001. a flow guide port; 1002. a guide pin; 11. a transducer package tube; 1101. a water injection port; 1102. a trapezoidal guide rail; 1103. a guide groove; 12. a sealing cover; 13. a power supply changeover switch; 14. a simulation component; 15. disassembling the assembly; 16. a detection component; 17. a circuit processing device; 171. a system controller; 172. an alarm unit; 18. a line connection assembly; 181. a line connector; 182. a small cylinder; 183. a connecting plate; 19. a pressure detection unit.
Detailed description of the preferred embodiments
The present application is described in further detail below with reference to figures 1-6.
A person skilled in the art, after reading the present description, may make modifications to the embodiments as required, without any inventive contribution thereto, but shall be protected by the patent laws within the scope of the claims of the present application.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In addition, the term "and/or" herein is only one kind of association relationship describing the association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship, unless otherwise specified.
The embodiments of the present application will be described in further detail with reference to the drawings attached hereto.
The embodiment of the application provides an ultrasonic water meter circuit detection device, as shown in fig. 1 and fig. 2, the device includes: base 1, analog component 14, detaching component 15 and detecting component 16, wherein, base 1 is placed in the desktop along the horizontal direction, base 1 deviates from desktop one side and offers the circuit board groove 108 that is used for placing circuit board 5 along vertical direction, base 1 has seted up binding post 6 mounting groove 102 near the vertical one side of circuit board 5 contact point 501, base 1 keeps away from the center department of the vertical one side of binding post 6 mounting groove 102 and has set firmly ammeter install bin 107, ammeter install bin 107 top is the regular triangle setting, and ammeter install bin 107 top has seted up ammeter mounting groove 106 towards circuit board 5 one side, ammeter install bin 107 deviates from the vertical one side of base 1 and has set firmly the installation baffle 109 that is the arc setting, installation baffle 109 and ammeter install bin 107 junction have seted up trapezoidal installation guide slot 105 along the horizontal direction, analog component 14 sets up in installation baffle 109 along the horizontal direction, detaching component 15 sets up in circuit board groove 108, detecting component 16 sets up respectively with ammeter 2 mounting groove 106, circuit board groove 108 and binding post 6 mounting groove 102 department.
Specifically, when circuit detection is performed on the circuit board 5 in the ultrasonic water meter, the circuit board 5 is firstly placed in the circuit board groove 108, then the circuit board 5 is fixed by adjusting the dismounting component 15, then the immersion environment of the ultrasonic water meter is simulated by the simulation component 14 so as to improve the accuracy of the measurement parameters of the circuit board 5, then the detection component 16 is started to perform power-on tests on various components and sensors in the circuit board 5, so that the measurement parameters of the circuit board 5 are obtained, a worker determines whether the current circuit board 5 is abnormal according to the measurement parameters, finally the dismounting component 15 is adjusted to release the fixation of the circuit board 5, and the circuit board 5 is taken out to perform other circuit board 5 tests, so that the effects of improving the test accuracy and the test efficiency of the circuit board 5 are achieved.
Referring to fig. 2 and 3, the simulation assembly 14 includes a transducer package tube 11, a sealing cap 12, an ultrasonic transducer 9, a transducer package tube core 10, a transducer gland 8, and a test connection line 802, and the disassembly assembly 15 includes: the rotary pressure handle 3 and the spring shaft pin 4, the detection assembly 16 includes: ammeter 2, power change-over switch 13, spring contact pin 7 and binding post 6, wherein, transducer packaging tube 11 is inserted in installation guide plate 109 along installation guide plate 109 extending direction adaptation, trapezoidal guide rail 1102 inserted with trapezoidal installation guide slot 105 looks adaptation is still set firmly on transducer packaging tube 11 surface, so that transducer packaging tube 11 is difficult for landing from installation guide plate 109, transducer packaging tube 11 keeps away from desktop one side along vertical direction and has seted up water filling port 1101, two ultrasonic transducer 9 respectively with transducer packaging tube core 10 both ends butt joint, and after the butt joint adaptation is inserted in transducer packaging tube 11, transducer packaging tube 11 and transducer packaging core tube 10 butt joint department have seted up guide groove 1103 along the horizontal direction, transducer packaging tube core 10 is close to guide groove 1103 and has set up the guide pin 1002 of inserting with guide groove 1103 looks adaptation, two transducer gland 8 respectively with transducer packaging tube 1101 both ends butt joint, and transducer gland 8 and transducer packaging tube 11 butt joint department are equipped with the sealing compound, so as to improve transducer gland 8 and transducer 11 relative stability, the sealing compound has the sealed sealing effect of avoiding the water filling port to take place along the sealed sealing compound of water filling port 1001 and sealing of water filling port and sealing compound, the sealed joint of sealing cap 12 respectively, the sealed joint of sealing compound is still has occurred along the sealed sealing hole 1001.
Specifically, after the circuit board 5 is fixed to the circuit board groove 108 by the dismounting assembly 15, the ultrasonic transducers 9 are respectively fixed to two ends of the transducer packaging core tube 10 in an adaptive manner, so that a closed space is formed in the transducer packaging core tube 10, then the fixed ultrasonic transducers 9 and the transducer packaging core tube 10 are inserted into the transducer packaging tube 11, the transducer glands 8 are arranged at two ends of the transducer packaging tube 11, the transducer packaging core tube 10 is prevented from sliding out of the transducer packaging tube 11, then a certain amount of water is injected into the water injection port 1101, water flows respectively pass through the water injection port 1101 and the water diversion port 1001 and then enter the transducer packaging core tube 10, then the water injection port 1101 and the water diversion port 1001 are respectively sealed by the sealing caps 12, and the ultrasonic transducers 9 are soaked in the water-filled transducer packaging core tube 10 to simulate the working state of the ultrasonic water meter, so that the subsequent test accuracy of the circuit is improved.
Referring to fig. 2, in the embodiment of the present application, a wire outlet 801 is formed in one side of the transducer gland 8 close to the transducer packaging tube 11 along a horizontal direction, one end of a test connection wire 802 penetrates through the wire outlet 801 to be connected with the ultrasonic transducer 9, the other end of the test connection wire is connected with one end of the spring contact pin 7 far away from the circuit board 5, a probe mounting hole 103 is formed in a position of the circuit board slot 108 close to a rotating shaft of the rotary pressing handle 3 along a vertical direction, the spring contact pin 7 is fixedly arranged in the probe mounting hole 103 along an extending direction of the probe mounting hole 103, and the other end of the spring contact pin 7 is in abutting conduction with a contact point 501 in the circuit board 5. The gyration is pressed handle 3 to set up in circuit board groove 108 and is close to binding post 6 mounting groove 102 one side, and the vertical both sides of the pivot of gyration pressure handle 3 all with circuit board groove 108 inner wall looks butt, axle pin groove 101 has been seted up along the horizontal direction in circuit board groove 108 and the pivot butt department of gyration pressure handle 3, the pivot one side of gyration pressure handle 3 is seted up the locating hole 301 that switches on mutually with axle pin groove 101, spring shaft pin 4 inserts and locates in the locating hole 301, and spring shaft pin 4 is close to circuit board groove 108 one end and is pegged graft with axle pin groove 101 looks adaptation.
Specifically, when the circuit board 5 is fixed, the rotary pressing handle 3 rotates along the direction of the self rotary shaft away from the base 1, then the circuit board 5 is placed in the circuit board groove 108, the rotary pressing handle 3 is slowly rotated towards the direction close to the base 1 until the end of the rotary pressing handle 3 away from the self rotary shaft abuts against the circuit board 5, and at the moment, the spring shaft pin 4 in the positioning hole 301 and the shaft pin groove 101 applies an elastic force perpendicular to the direction of the circuit board 5 to the rotary pressing handle 3, so that the circuit board 5 is stably placed relative to the circuit board groove 108. After having tested circuit board 5 and taking out, the gyration is pressed handle 3 and is rotated along the direction that the base 1 was kept away from to the axis of rotation once more, then takes out circuit board 5 from circuit board groove 108 to put into another circuit board 5 that awaits measuring, then slowly rotates gyration pressure handle 3 to the direction that is close to base 1, presses handle 3 to keep away from self pivot one end and another circuit board 5 looks butt of awaiting measuring to test until the gyration, and then has realized the effect to circuit board 5 quick assembly disassembly.
Referring to fig. 2, in this application embodiment, ammeter 2 sets firmly in ammeter mounting groove 106, and base 1 is close to ammeter install bin 107 department and has seted up two switch mounting holes 104 along vertical direction, and two switch mounting holes 104 are based on the symmetry axis symmetry setting of base 1, and power change-over switch 13 sets up in switch mounting hole 104 for the control power includes to the input voltage of the different specifications of the output of circuit board 5, the input voltage of different specifications: 12V and 7.2V, the connection terminal 6 is fixed in the connection terminal 6 mounting groove 102 for receiving the test data of the circuit board 5.
Specifically, after the circuit board 5 is placed, the contact point 501 on the circuit board 5 is correspondingly abutted against the spring contact pin 7, and meanwhile, the test connection line 802 and the spring contact pin 7 are connected at one end away from the circuit board 5, so that test parameters of each component in the circuit board 5 and the ultrasonic transducer 9 can be obtained, then the system controller 171 is connected with the wiring terminal 6, then the power supply change-over switches 13 with different specifications are selected according to test requirements and are turned on, and then voltages with specified specifications are respectively output to the ultrasonic transducer 9, the wiring terminal 6, the ammeter 2 and the spring contact pin 7.
Referring to fig. 2 and 5, a circuit processing device 17 is connected to the connection terminal 6, and the circuit processing device 17 includes: the power supply system comprises a system controller 171 and an alarm unit 172, wherein the system controller 171 is connected to the wiring terminal 6 and is used for receiving the voltage detection signal and the circuit detection signal, performing logic processing on the voltage detection signal and the circuit detection signal respectively, and generating and outputting a power supply abnormal command/circuit abnormal command, and the alarm unit 172 is connected to a signal output end of the system controller 171 and is used for receiving and responding to the power supply abnormal command/circuit abnormal command. When the system controller 171 receives the voltage detection signal and the circuit detection signal, the voltage detection signal and the circuit detection signal are respectively subjected to logic processing to determine whether the current circuit board 5 is qualified, and when the current circuit board 5 is not qualified, a power supply abnormality instruction/circuit abnormality instruction is generated and output to control the alarm unit 172 to perform alarm response, so that a worker can quickly know the problems of the current circuit board 5 according to the alarm response of the alarm unit 172.
Referring to fig. 2 and 6, after receiving the voltage detection signal and the circuit detection signal, the system controller 171 determines whether the switch state of the power switch 13 is turned on simultaneously according to the voltage detection signal, and determines whether the supply voltage of the circuit board 5 is a preset voltage based on the voltage detection signal if the switch state of the power switch 13 is turned on simultaneously, in this embodiment, the preset voltage is 12V, that is, when the 12V switch and the 7.2V switch of the power switch 13 are turned on simultaneously, the supply voltage received by the circuit board 5 should be 12V, generates and outputs a power supply abnormal command if the supply voltage of the circuit board 5 is not the preset voltage, and determines whether the voltage supply voltage of the circuit board 5 is consistent with the reception voltage of the circuit board 5 based on the voltage detection signal if the switch state of the power switch 13 is not turned on simultaneously, and generates and outputs a power supply abnormal command if the voltage supply voltage is not consistent, where the power supply abnormal command indicates that the circuit board 5 has a power consumption problem. If the power supply voltage of the circuit board 5 is the preset voltage or the voltage power supply voltage of the circuit board 5 is consistent with the receiving voltage of the circuit board 5, judging whether a circuit system of the circuit board 5 can identify and detect the RS485 signal output by the circuit board 5 according to the circuit detection signal, if the circuit system of the circuit board 5 cannot identify and detect the RS485 signal output by the circuit board 5, outputting a circuit abnormal instruction, wherein the circuit abnormal instruction indicates that the circuit board 5 cannot normally receive the RS485 signal output by the circuit board 5.
Referring to fig. 5, the alarm unit 172 includes a signal indicator, a signal input end of the signal indicator is connected to a signal output end of the system controller 171, and is configured to receive a power supply abnormal command/circuit abnormal command, when the power supply abnormal command is received, the signal indicator emits red light, and when the circuit abnormal command is received, the signal indicator emits green light, and a worker determines an abnormality of the current circuit board 5 according to a light color of the signal indicator, so as to achieve an effect of improving detection efficiency of the circuit board 5.
Referring to fig. 2 and 4, in the embodiment of the present application, the connection of the test connection wire 802 to the end of the spring contact pin 7 away from the circuit board 5 includes using a wire connection assembly 18 to connect, where the wire connection assembly 18 includes: line connector 181, small cylinder 182 and connecting plate 183, line connector 181 is two sets of settings, set firmly in 1 both sides of base along 1 extending direction of base respectively, and two sets of line connector 181 sets up along 1 symmetry axis of base, small cylinder 182 also divide into two sets of settings, set firmly respectively in 1 one side of deviating from circuit board 5 of base, and two sets of small cylinder 182 set up along 1 symmetry axis of base, the flexible direction level of the flexible direction of pneumatic stem of two sets of small cylinder 182 is opposite, the flexible direction of pneumatic stem of small cylinder 182 is perpendicular with line connector 181, connecting plate 183 sets firmly the pneumatic stem that is close to line connector 181 one end in small cylinder 182.
Referring to fig. 1 and 4, for the embodiment of the present application, metal power vias 20 are respectively disposed on the circuit connector 181 near the ultrasonic transducer 9 and the small cylinder 182, and a conductive path is disposed inside the circuit connector 181 and is in communication with the metal power vias 20, so that the two metal power vias 20 are in communication. When the test connection line 802 and the end of the spring contact pin 7 away from the circuit board 5 are connected, first, the new test connection line 802 and the end of the spring contact pin 7 away from the circuit board 5 are fixedly connected, and then the other end of the new test connection line 802 is fixedly connected with the connection plate 183. When the small cylinder 182 is activated, the air rod of the small cylinder 182 drives the connecting plate 183 and the new test connection wire 802 to slide toward the line connector 181, and the end of the new test connection wire 802 is connected to the metal connection hole 20 of the line connector 181, and then the test connection wire 802 connected to the ultrasonic transducer 9 is connected to the other metal connection hole 20 of the line connector 181, so that the two test connection wires 802 are conducted through the internal arrangement of the line connector 181.
Referring to fig. 2 and 5, for the embodiment of the present application, the ultrasonic water meter circuit detection device further includes a pressure detection unit 19, where the pressure detection unit 19 includes a pressure sensor, the pressure sensor is fixedly disposed at a position where the rotary pressing handle 3 abuts against the circuit board 5, and is configured to detect a pressure applied to the rotary pressing handle 3, and transmit a detected pressure detection signal to the system controller 171, after the system controller 171 receives the pressure detection signal, compare a pressure value in the pressure detection signal with a preset pressure value, determine whether a current pressure value is equal to the preset pressure value, and generate and output an air cylinder start instruction when the current pressure value is equal to the preset pressure value.
Referring to fig. 2 and 4, after receiving the cylinder start command, the command receiving end of the small cylinder 182 drives the gas lever to slide toward the line connector 181 until one end of the test connection line 802 is connected to the metal contact hole 20 of the line connector 181. After the circuit board 5 is tested, the circuit board 5 is taken out, the rotary pressing handle 3 is abutted against the circuit board groove 108, the pressure detection signal is judged for the second time, whether the current pressure value of the rotary pressing handle 3 is equal to the preset pressure value or not is determined, if the current pressure value of the rotary pressing handle is not equal to the preset pressure value, an air cylinder closing instruction is generated and output, and the small air cylinder 182 is controlled to drive the air rod to retract.
Specifically, in the embodiment of the present application, the preset pressure value is a pressure value when the rotary press handle 3 abuts against the circuit board 5, that is, after the circuit board 5 is placed in the circuit board slot 108, the system controller 171 generates and outputs a cylinder start instruction, controls the air rod of the small cylinder 182 to slide out to abut against the line connector 181, connects the end of the test connection line 802 fixed to the connection plate 183 to the line connector 181, and then connects the test connection line 802 connected to the ultrasonic transducer 9 to another metal electrical connection hole 20 of the line connector 181, thereby implementing a quick connection between the test connection line 802 and the spring contact pin 7, and also reducing the occurrence of redundant situations of the test connection line 802.
After the circuit board 5 is taken out from the circuit board groove 108 after the test is finished, the pressure value of the rotary pressing handle 3 is smaller than the preset pressure value, namely the current pressure value is not equal to the preset pressure value, the system controller 171 generates and outputs a cylinder closing instruction at the moment, and the air rod of the small cylinder 182 is controlled to retract, so that the end part of the test connecting line 802 fixedly connected with the connecting plate 183 is separated from the line connector 181, and unnecessary power consumption loss caused by high-temperature heating of the line due to long-time use of the test connecting line 802 is avoided.
The foregoing is only a few embodiments of the present application and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present application, and that these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. The utility model provides an ultrasonic water meter circuit detection device, its characterized in that, includes base (1), simulation subassembly (14), dismantlement subassembly (15) and determine module (16), circuit board groove (108) that are used for placing circuit board (5) are offered to base (1) level one side, dismantlement subassembly (15) set up in circuit board groove (108), base (1) vertical one side sets up ampere meter install box (107), ampere meter install box (107) surface has seted up ampere meter mounting groove (106), ampere meter install box (107) deviate from base (1) one side is provided with installation baffle (109), simulation subassembly (14) set up in installation baffle (109), base (1) is kept away from binding post mounting groove (102) have been seted up to the vertical one side of ampere meter mounting groove (106), determine module (16) set up respectively in ampere meter mounting groove (106) circuit board groove (108) and in binding post mounting groove (102).
2. An ultrasonic water meter circuit testing device in accordance with claim 1, wherein the analog block (14) comprises: transducer encapsulation pipe (11), sealed lid (12), ultrasonic transducer (9), transducer encapsulation core pipe (10), transducer gland (8) and test connecting wire (802), transducer encapsulation pipe (11) adaptation peg graft in installation baffle (109), water filling port (1101) have been seted up on transducer encapsulation pipe (11) surface, sealed lid (12) with water filling port (1101) airtight joint, ultrasonic transducer (9) respectively with transducer encapsulation core pipe (10) both ends looks adaptation is pegged graft fixedly, makes form airtight space in transducer encapsulation core pipe (10), and ultrasonic transducer (9) respectively with transducer encapsulation core pipe (10) peg graft fixedly back peg graft in transducer encapsulation pipe (11), transducer encapsulation core pipe (10) surface seted up with water filling port (1101) looks conduction's diversion mouth (1001), transducer gland (8) set up respectively in transducer encapsulation pipe (11) both ends, just transducer gland (8) are close to transducer encapsulation pipe (11) one side has seted up outlet hole (801), test connecting wire (802) and ultrasonic transducer encapsulation hole (9) are connected the outlet hole (801).
3. An ultrasonic water meter circuit testing device according to claim 1, wherein the removal assembly (15) comprises: the circuit board fixing device comprises a rotary pressing handle (3) and a spring shaft pin (4), wherein the rotary pressing handle (3) is arranged on one side of a circuit board groove (108) close to a wiring terminal mounting groove (102), the two vertical sides of a rotating shaft of the rotary pressing handle (3) are all in butt joint with the inner wall of the circuit board groove (108), the circuit board groove (108) is provided with a shaft pin groove (101) at the position where the rotating shaft of the rotary pressing handle (3) is in butt joint, one side of the rotating shaft of the rotary pressing handle (3) is provided with a positioning hole (301) communicated with the shaft pin groove (101), the spring shaft pin (4) is inserted into the positioning hole (301), and one end of the spring shaft pin (4) close to the circuit board groove (108) is in matched plug-connection with the shaft pin groove (101).
4. An ultrasonic water meter circuit testing device in accordance with claim 2, wherein said test assembly (16) comprises: ammeter (2), power change over switch (13), spring contact pilotage (7) and binding post (6), ammeter (2) set up in ammeter mounting groove (106), circuit board groove (108) are close to the pivot department of gyration pressure handle (3) and have seted up probe mounting hole (103), spring contact pilotage (7) set firmly in probe mounting hole (103), just spring contact pilotage (7) are close to circuit board (5) one end with contact point (501) of circuit board (5) correspond the butt, spring contact pilotage (7) keep away from circuit board (5) one end with ultrasonic transducer (9) one end is kept away from in test connecting wire (802) and is connected, binding post (6) set firmly in binding post mounting groove (102) for the test data of receiving circuit board (5), base (1) are close to ammeter mounting box (107) department has seted up two switch mounting holes (104), two switch mounting hole (104) are based on the symmetry axis symmetry setting of base (1), power change over switch (13) set up in switch mounting hole (104), be used for the input voltage specification of circuit board (5) is different.
5. An ultrasonic water meter circuit detection device according to claim 2, characterized in that a guide groove (1103) is formed at the abutting position of the transducer packaging tube (11) and the transducer packaging tube core tube (10), and a guide pin (1002) adapted to be inserted into the guide groove (1103) is fixedly arranged at the position of the transducer packaging tube (11) core tube (10) close to the guide groove (1103).
6. An ultrasonic water meter circuit detection device according to claim 2, characterized in that a trapezoidal guide rail (1102) is fixedly arranged on one side of the transducer packaging tube (11) close to the installation guide plate (109), and a trapezoidal installation guide groove (105) which is in fit insertion connection with the trapezoidal guide rail (1102) is formed on one side of the installation guide plate (109) close to the transducer packaging tube (11).
7. An ultrasonic water meter circuit detection device according to claim 2, characterized in that the joint of the transducer gland (8) and the transducer package tube (11) is coated with a potting adhesive.
8. The ultrasonic water meter circuit detecting device of claim 4, comprising: the wiring terminal (6) is connected with a circuit processing device (17), the circuit processing device (17) comprises: a system controller (171) and an alarm unit (172), wherein,
the system controller (171) is connected to the wiring terminal (6) and is used for receiving a voltage detection signal and a circuit detection signal, performing logic processing on the voltage detection signal and the circuit detection signal respectively, and generating and outputting a power supply abnormal instruction/a circuit abnormal instruction;
and the alarm unit (172) is connected to the signal output end of the system controller (171) and is used for receiving and responding to the power supply abnormal instruction/the circuit abnormal instruction.
9. The ultrasonic water meter circuit detecting device according to claim 8, wherein the system controller (171) determines whether the switch states of the power switches (13) are simultaneously on according to the voltage detection signal after receiving the voltage detection signal and the circuit detection signal, determines whether the supply voltage of the circuit board (5) is a preset voltage based on the voltage detection signal if the switch states of the power switches (13) are simultaneously on, and generates and outputs a power supply abnormal command if the supply voltage of the circuit board (5) is not the preset voltage;
if the switch states of the power supply changeover switch (13) are not simultaneously started, determining whether the voltage supply voltage of the circuit board (5) is consistent with the receiving voltage of the circuit board (5) or not based on the voltage detection signal, and if not, generating and outputting a power supply abnormal instruction;
if the power supply voltage of the circuit board (5) is a preset voltage or the voltage power supply voltage of the circuit board (5) is consistent with the receiving voltage of the circuit board (5), judging whether a circuit system of the circuit board (5) can identify and detect the RS485 signal output by the circuit board (5) according to the circuit detection signal, and if the circuit system cannot identify and detect the RS485 signal output by the circuit board (5), outputting a circuit abnormal instruction.
10. An ultrasonic water meter circuit detecting device according to claim 9, characterized in that the alarm unit (172) includes a signal indicating lamp, a signal input end of the signal indicating lamp is connected with a signal output end of the system controller (171) for receiving a power supply abnormality command/circuit abnormality command, the signal indicating lamp emits red light when receiving the power supply abnormality command, and the signal indicating lamp emits green light when receiving the circuit abnormality command.
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| CN202310199524.7A CN115877188B (en) | 2023-03-04 | 2023-03-04 | Ultrasonic water meter circuit detection device |
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| CN202310199524.7A CN115877188B (en) | 2023-03-04 | 2023-03-04 | Ultrasonic water meter circuit detection device |
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