CN211741426U - Direct current stability testing device with automatic timing function - Google Patents

Abstract

A direct current stability testing device with an automatic timing function comprises a direct current stability tester body and a liquid storage barrel, wherein the direct current stability tester body is used for monitoring the current value of a solution passing through the liquid storage barrel, and further comprises a timer, a signal lamp, a voltage sensor and a single chip microcomputer; the signal output end of the single chip microcomputer is also connected with the signal lamp and used for lighting the signal lamp while stopping the timing of the timer; the test end time can be automatically recorded, the test result is relatively accurate, and the trouble of manual observation and timing is avoided; furthermore, the liquid can be automatically added into the liquid storage barrel, so that the automation of the testing process is realized, and the use of human resources is reduced.

Description

Direct current stability testing device with automatic timing function

Technical Field

The utility model belongs to cable test field, concretely relates to direct current stability testing arrangement with automatic timing function.

Background

When carrying out direct current stability test, at first add salt solution in the stock solution bucket, get a section cable and place it in the salt solution, through direct current stability tester automatic monitoring salt solution in voltage and current value, along with test time's increase, the cable can take place to puncture, and the circuit is in the on-state when puncturing, and the voltage drop in the salt solution is 0, and the test is ended.

The possibility that the cable is punctured in the test process is related to the quality of the cable, but is unknown to testers, and the current situation is that the testers need to be arranged to observe whether the cable is punctured on site in the morning and afternoon of each working day.

Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.

Disclosure of Invention

The utility model aims at providing a testing arrangement is stabilized to direct current with automatic timing function.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a direct current stability testing device with an automatic timing function comprises a direct current stability tester body and a liquid storage barrel, wherein the direct current stability tester body is used for monitoring the current value of a solution passing through the liquid storage barrel, and further comprises a timer, a signal lamp, a voltage sensor and a single chip microcomputer;

the signal output end of the single chip microcomputer is also connected with the signal lamp and used for lighting the signal lamp while stopping the timing of the timer;

the voltage sensor is installed in the bottom outer wall of liquid storage bucket, voltage sensor's sense terminal runs through the liquid storage bucket and extends the inner chamber bottom of liquid storage bucket, voltage sensor's signal output part pass through the signal line with the signal input part of singlechip links to each other for the voltage signal output to the singlechip of solution in the liquid storage bucket that will detect.

In the above scheme, still include a reserve stock solution bucket and support the mount of reserve stock solution bucket, reserve stock solution bucket is located the top of stock solution bucket, the bottom of reserve stock solution bucket with even be equipped with a transfer line between the stock solution bucket, install an electric valve on the transfer line, be equipped with a level sensor in the stock solution bucket, this level sensor's sense terminal stretch establish to the inner chamber bottom surface of stock solution bucket, level sensor's signal output part links to each other with the signal input part of singlechip, with the liquid level signal input singlechip of solution in the stock solution bucket, the control end of singlechip with electric valve links to each other for open or close electric valve.

In the above scheme, the bottom of stock solution bucket is connected with a fluid-discharge tube, install the valve on the fluid-discharge tube.

In the scheme, the liquid storage barrel and the standby liquid storage barrel are transparent liquid storage barrels.

In the above scheme, the fixing frame is a hydraulic lifting support.

The utility model discloses has following effect: the utility model discloses a direct current stability testing arrangement has extra automatic timing device, through increase voltage sensor in the liquid storage bucket, utilizes the singlechip to handle its voltage signal who tests, realizes the control to the time-recorder timing, can realize automatic recording test finish time, and the test result is relatively accurate, has avoided the trouble of manual observation timing; the timing can be automatically stopped, and simultaneously, the signal lamp can be lightened, so that a user can be intuitively reminded of the breakdown phenomenon of the cable placed in the solution; further, still be equipped with an automatic solution device that adds, in the test process, solution evaporation makes the liquid level descend more in the stock solution bucket, and it can be automatic to adding solution in the stock solution bucket to realize test process's automation, reduced manpower resources's use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of a liquid storage barrel according to an embodiment of the present invention.

In the above drawings: 1-direct current stability tester body, 2-liquid storage barrel, 21-liquid discharge pipe, 3-timer, 4-signal lamp, 5-voltage sensor, 6-single chip microcomputer, 7-standby liquid storage barrel, 71-infusion tube, 711-electric valve, 8-fixing frame and 9-liquid level sensor.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

example (b): referring to FIGS. 1-2: a direct current stability testing device with an automatic timing function comprises a direct current stability tester body 1 and a liquid storage barrel 2, wherein the direct current stability tester body 1 is used for monitoring the current value of a solution passing through the liquid storage barrel 2, during testing, the liquid storage barrel 2 is filled with a saline solution, a section of cable is taken and soaked in the saline solution, the direct current stability tester body 1 is connected with the cable, and the direct current stability tester body 1 is started for testing, wherein the use of the direct current stability tester body 1 and the connection mode of the cable are the existing methods;

the device also comprises a timer 3, a signal lamp 4, a voltage sensor 5 and a singlechip 6;

the timer 3 can be of a CX-009 liquid crystal display type and is provided with a timing stop and start connection port, a timing stop signal end of the timer 3 is connected with a signal output end of the singlechip 6 and can stop the timing of the timer 3 under the control of an instruction output by the singlechip 6;

the signal lamp 4 adopts an LED lamp with 5V voltage, the power supply input end of the signal lamp 4 is connected with the signal output end of the singlechip 6, and the signal lamp is controlled by the singlechip 6 and used for lighting the signal lamp 4 when the timer 3 is stopped to time so as to achieve the purpose of reminding a user;

the voltage sensor 5 can adopt ZYV100-M type, but is not limited to the type, other contact type sensors are all possible, the voltage sensor 5 is installed on the outer wall of the bottom end of the liquid storage barrel 2 and sealed by waterproof glue, the detection end of the voltage sensor 5 penetrates through the liquid storage barrel 2 and extends to the bottom of the inner cavity of the liquid storage barrel 2, the signal output end of the voltage sensor 5 is connected with the signal input end of the singlechip 6 through a signal line and is used for outputting the detected voltage signal of the solution in the liquid storage barrel 2 to the singlechip 6, wherein the singlechip 6 adopts STM32 type, and other singlechips with the same function type can be used;

when the device is used specifically, the timer 3, the voltage sensor 5 and the single chip microcomputer 6 are externally connected with a power supply for supplying power, after the test preparation of the cable is completed, the timing of the timer 3 is started synchronously, the voltage sensor 5 detects the voltage value of the solution in the solution storage barrel 2 in real time, a voltage signal is transmitted to the single chip microcomputer 6, when the measured voltage value is 0, the breakdown phenomenon of the cable is shown, at the moment, the single chip microcomputer 6 can output an electric signal to the timer 3 and the signal lamp 4, the timing of the timer 3 is stopped, the signal lamp 4 is lightened simultaneously, the purpose of reminding a user is achieved, and the time recorded on the timer 3 is the total time from the beginning of the cable test to the breakdown;

the liquid level detection device is characterized by further comprising a standby liquid storage barrel 7 and a fixing frame 8 for supporting the standby liquid storage barrel 7, wherein the standby liquid storage barrel 7 is located above the liquid storage barrel 2, a liquid conveying pipe 71 is connected between the bottom end of the standby liquid storage barrel 7 and the liquid storage barrel 2, an electric valve 711 is installed on the liquid conveying pipe 71, a liquid level sensor 9 is arranged in the liquid storage barrel 2, a detection end of the liquid level sensor 9 extends to the bottom surface of the inner cavity of the liquid storage barrel 2, a signal output end of the liquid level sensor 9 is connected with a signal input end of the single chip microcomputer 6, a liquid level signal of a solution in the liquid storage barrel 2 is input into the single chip microcomputer 6, and a control end of the single chip microcomputer;

in the test process of cable, the solution in the stock solution bucket 2 can produce the loss, for this reason add extra solution in reserve stock solution bucket 7, when level sensor 9 detects that solution descends to the setting value in stock solution bucket 2, electric valve 711 is opened to accessible singlechip 6, solution in the reserve stock solution bucket 7 can get into the stock solution bucket 2 of its below through transfer line 41 under the action of gravity, supply new solution for it, when level sensor 9 detects that liquid level height reaches the setting value in the stock solution bucket 2, electric valve 711 is closed to rethread singlechip 6, stop adding solution, and then can realize the automation of test process, manpower resources's use has been reduced, wherein, electric valve 711 can adopt 12V electric butterfly valve, level sensor 9 can adopt capacitanc level sensor.

The bottom end of the liquid storage barrel 2 is connected with a liquid discharge pipe 21, and a valve is arranged on the liquid discharge pipe 21; the drain pipe 21 is used for discharging the waste liquid in the liquid storage barrel 2.

The liquid storage barrel 2 and the standby liquid storage barrel 7 are transparent liquid storage barrels, transparent glass barrels can be adopted, and the solution condition in the barrels can be observed conveniently.

The fixing frame 8 is a hydraulic lifting support, so that the standby liquid storage barrel 7 can be conveniently lifted or lowered, and new solution is added to the standby liquid storage barrel.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (5)

1. The utility model provides a DC stabilization testing arrangement with automatic timing function, includes that DC stabilization tester body (1) and stock solution bucket (2), DC stabilization tester body (1) is used for the control to pass through the current value of solution in stock solution bucket (2), its characterized in that: the device also comprises a timer (3), a signal lamp (4), a voltage sensor (5) and a singlechip (6);

a timing stop signal end of the timer (3) is connected with a signal output end of the single chip microcomputer (6), the timing of the timer (3) can be stopped under the control of an instruction output by the single chip microcomputer (6), and a signal output end of the single chip microcomputer (6) is also connected with the signal lamp (4) and is used for lighting the signal lamp (4) while the timing of the timer (3) is stopped;

voltage sensor (5) install in the bottom outer wall of liquid storage bucket (2), the sense terminal of voltage sensor (5) runs through liquid storage bucket (2) and extends the inner chamber bottom of liquid storage bucket (2), the signal output part passing signal line of voltage sensor (5) with the signal input part of singlechip (6) links to each other for the voltage signal output to singlechip (6) of solution in the liquid storage bucket (2) that will detect.

2. The dc stability test device with automatic timing function according to claim 1, wherein: also comprises a standby liquid storage barrel (7) and a fixing frame (8) for supporting the standby liquid storage barrel (7), the standby liquid storage barrel (7) is positioned above the liquid storage barrel (2), a liquid conveying pipe (71) is connected between the bottom end of the standby liquid storage barrel (7) and the liquid storage barrel (2), an electric valve (711) is arranged on the transfusion tube (71), a liquid level sensor (9) is arranged in the liquid storage barrel (2), the detection end of the liquid level sensor (9) extends to the bottom surface of the inner cavity of the liquid storage barrel (2), the signal output end of the liquid level sensor (9) is connected with the signal input end of the singlechip (6) to input the liquid level signal of the solution in the liquid storage barrel (2) into the singlechip (6), and the control end of the singlechip (6) is connected with the electric valve (711) and is used for opening or closing the electric valve (711).

3. The dc stability test device with automatic timing function according to claim 1, wherein: the bottom of stock solution bucket (2) is connected with a fluid-discharge tube (21), install the valve on fluid-discharge tube (21).

4. The dc stabilization testing device with automatic timing function according to claim 1 or 2, wherein: the liquid storage barrel (2) and the standby liquid storage barrel (7) are transparent liquid storage barrels.

5. The dc stability test device with automatic timing function according to claim 2, wherein: the fixed frame (8) is a hydraulic lifting support.

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