CN210465598U - Household electrical appliances easily reach part discharge capacity test fixture - Google Patents
Household electrical appliances easily reach part discharge capacity test fixture Download PDFInfo
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- CN210465598U CN210465598U CN201921225984.8U CN201921225984U CN210465598U CN 210465598 U CN210465598 U CN 210465598U CN 201921225984 U CN201921225984 U CN 201921225984U CN 210465598 U CN210465598 U CN 210465598U
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Abstract
The utility model discloses a household electrical appliances easily touch part discharge capacity test fixture, concretely relates to test fixture technical field, which comprises a socket, the one end fixedly connected with constant voltage power supply plug of socket, and the one end of socket is close to constant voltage power supply plug one side fixedly connected with adapter. The utility model discloses an overall design, the invention of this device has greatly saved the survey crew and has repeated the wiring to a great extent, the break-make time that manual quick searching satisfied the requirement is repeated, experimental work efficiency and experimental measurement numerical accuracy have been improved, the potential safety hazard of having got rid of the inspection personnel work has also alleviateed the tester's work load to a great extent, whole operation overall process safety has greatly ensured the tester's personal safety, and frock low cost suitability is good, moreover, the steam generator is simple in structure, the component volume of preparation use is few, no special spare part structure constitutes, processing and preparation work flow are simple and convenient, make this invention frock overall cost lower.
Description
Technical Field
The utility model relates to a test fixture technical field, more specifically say, the utility model relates to a household electrical appliances easily touch part discharge test fixture.
Background
At present, a wiring diagram of a measuring circuit is drawn, and wiring is completed according to the drawing, so that the short circuit condition in the measuring process caused by wiring errors is avoided. After the wiring work is finished, whether the measuring circuit is correct or not is checked by the universal meter, the insulating tape is tightly wrapped at the butt joint line after the wiring work is determined to be correct, the two switches are arranged at the positions with good insulating property and easy operation, the electric shock danger caused by careless touch of a charged body or external leakage of the wiring of the switches in the test process is avoided, and the process is a preliminary test preparation.
And after the test is ready, the test is started, the rated voltage is electrified, then the two switch power supplies are disconnected to connect the test circuit, and then the test circuit is connected to an oscilloscope for measurement. The national standard requires: the discharge amount between the appliance circuit and the easily-touched component is measured immediately after the two poles of the power supply are disconnected, the measurement circuit needs to be connected immediately after the two poles are disconnected, and if the time interval difference between the two lines of the power supply which are disconnected successively is large, the data difference value of the measurement result is large, so that the accuracy of the test result is influenced, and even the accuracy of the report conclusion is influenced. The measurement link completely depends on human experience and skilled operation speed for controlling the result accuracy. If the operation is skilled and the timeliness cannot be followed up, the measurement work must be repeatedly carried out for many times, the insulating tapes are disassembled after one electrode is measured, the polarity of the power supply is exchanged, and the generated energy is measured after the polarity of the power supply is exchanged after insulation protection is applied. Like the above process, if the measured data result is out of the range of the difference or the worst case is not captured, the measurement needs to be performed again. And disassembling measurement is required after the test is finished. After the wiring circuit is operated for many times, the circuit has untidy copper wires, which can puncture gloves to cause potential safety hazards.
The whole test process requires at least 30 minutes or more if it is skilled, and 1 hour or more if it is not skilled.
In summary, the following steps: the discharge capacity test of the easily-touched parts of the household appliances has the potential safety hazard problems of short circuit danger, electric shock danger, finger puncture and the like in operation work, the experiment process is long in time consumption, and the inaccuracy of test data and even results is easily caused by large experiment errors in the data output process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the embodiment of the utility model provides a tool for testing the discharge capacity of an easily accessible component of a household appliance, the design is simple and convenient to operate through the integral design, laboratory detection and related measurement personnel only need to insert 2000 ohm resistors into the tool before the beginning of an experiment, then the easily accessible component is clamped by a measuring clamp, two measuring sheets are clamped by two measuring ends of an oscilloscope in a measuring way, an adapter is inserted into a mains supply plug for measurement, data meeting the measurement requirement is recorded during measurement, and the discharge capacity is calculated, so that the invention of the device greatly saves the repeated wiring of the measurement personnel, repeatedly and manually and quickly searches the on-off time meeting the requirement, improves the experimental work efficiency and the accuracy of experimental measurement values, eliminates the potential safety hazard of work of inspection personnel, and greatly lightens the workload of the test personnel, compared with the existing experiment process which is long in time consumption and inaccurate, the device is safe in the whole operation process, the personal safety of testers is greatly guaranteed due to the fact that disassembly and measurement are not needed when test data are obtained, the tool is low in cost and good in applicability, simple in structure, few in manufacturing and using elements, free of special part structure and composition, simple and convenient in processing and manufacturing working flow, and low in overall manufacturing cost.
In order to achieve the above object, the utility model provides a following technical scheme: a household appliance easy-to-touch component discharge capacity testing tool comprises a socket, wherein one end of the socket is fixedly connected with a stabilized voltage power supply plug, one side of the socket, which is close to the stabilized voltage power supply plug, is fixedly connected with an adapter, the side surface of the socket is fixedly connected with an oscilloscope measuring end I, one side of the oscilloscope measuring end I is fixedly connected with an easy-to-touch component connecting clamp, one side of the easy-to-touch component connecting clamp is fixedly connected with an oscilloscope measuring end II, a sample plug is arranged above the socket, a turning polarity switch is embedded and mounted on one side, which is close to the sample plug, above the socket and is connected with the socket in a clamping manner, a measuring switch is embedded and mounted on one side, which is close to the turning polarity switch;
the socket comprises a lower shell, and a group of upper shells are arranged above the lower shell;
a measuring relay is arranged in the lower shell and fixedly connected with the lower shell, a turning relay is arranged in the upper shell and fixedly connected with the upper shell;
and a non-inductive resistor is embedded in the side surface of the socket and is connected with the socket in a clamping way.
In a preferred embodiment, the lower casing and the upper casing are clamped in a clamping manner, a locking bolt is embedded in the lower casing, a bolt mounting hole is formed in the upper casing, and the lower casing and the upper casing are fixedly connected together through the locking bolt.
In a preferred embodiment, a plurality of groups of wire grooves are arranged at the connection part of the lower shell and the upper shell, and rubber gaskets are fittingly installed inside the wire grooves.
In a preferred embodiment, a non-slip mat is fixedly adhered to the lower surface of the lower shell, and a non-slip bulge is arranged on the lower surface of the non-slip mat.
In a preferred embodiment, one end of the lower shell is provided with a hanging ring, and the hanging ring and the lower shell are designed in an integrated mode.
In a preferred embodiment, the resistance value of the non-inductive resistor is set to 2000 Ω.
In a preferred embodiment, two ends of the oscilloscope measurement terminal I and the oscilloscope measurement terminal II are respectively connected to two ends of an oscilloscope.
The utility model discloses a technological effect and advantage:
the utility model has simple design and convenient operation, laboratory detection and related measurement personnel only need to insert 2000 omega resistance into the tool before the experiment is started, then the accessible components are clamped by the measuring clamp, the two measuring sheets are clamped by the measuring ends of the oscilloscope, then the adapter is inserted into the mains supply plug for measurement, the data meeting the measuring requirements are recorded during measurement, and the discharge capacity is calculated, the invention of the device greatly saves the repeated wiring of the measurement personnel, repeatedly and manually quickly searches the on-off time meeting the requirements, improves the experimental work efficiency and the accuracy of experimental measurement values, eliminates the potential safety hazard of work of the inspection personnel, lightens the workload of the test personnel to a great extent, compared with the long time consumption and inaccuracy of the existing experimental process, the device has safe operation whole process, and does not need to disassemble the machine for measurement during the acquisition of inspection data, the tool greatly ensures the personal safety of testers, has low cost, good applicability, simple structure, less elements for manufacturing, no special part structure and no special component composition, and has simple and convenient processing and manufacturing working procedures, so that the tool has lower overall manufacturing cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the middle socket of the present invention.
Fig. 3 is a schematic circuit diagram of the present invention.
Fig. 4 is a time chart of the disconnection of the operation time measurement according to the present invention.
Fig. 5 shows the time taken for the measurement circuit to be switched on after the power is turned off.
The reference signs are: the device comprises a socket 1, a lower shell 1a, an upper shell 1b, a power supply plug 2 of a stabilized voltage power supply, an adapter 3, easily-accessible component connecting clamps 4 and 5 of an oscilloscope measuring end I, an oscilloscope measuring end II 6, a sample plug 7, a noninductive resistor 8, a measuring switch 9, a polarity reversing switch 10, a measuring relay 11 and a reversing relay 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The tool for testing the discharge capacity of the easily accessible component of the household appliance comprises a socket 1, wherein one end of the socket 1 is fixedly connected with a stabilized voltage power supply plug 2, one side of the socket 1, which is close to the stabilized voltage power supply plug 2, is fixedly connected with an adapter 3, the side surface of the socket 1 is fixedly connected with an oscilloscope measuring end I4, one side of the oscilloscope measuring end I4 is fixedly connected with an easily accessible component connecting clip 5, one side of the easily accessible component connecting clip 5 is fixedly connected with an oscilloscope measuring end II 6, a sample plug 7 is arranged above the socket 1, a reversing polarity switch 10 is embedded and installed at one side, which is close to the sample plug 7, above the socket 1, the reversing polarity switch 10 is connected with the socket 1 in a clamping manner, and a measuring switch 9 is embedded and installed at one side, which is close to the reversing polarity switch, the measuring switch 9 is connected with the socket 1 in a clamping manner;
the socket 1 comprises a lower shell 1a, and a group of upper shells 1b are arranged above the lower shell 1 a;
a measuring relay 11 is arranged in the lower shell 1a, the measuring relay 11 is fixedly connected with the lower shell 1a, a turning relay 12 is arranged in the upper shell 1b, and the turning relay 12 is fixedly connected with the upper shell 1 b;
a non-inductive resistor 8 is embedded in the side surface of the socket 1, and the non-inductive resistor 8 is connected with the socket 1 in a clamping manner;
the lower shell 1a and the upper shell 1b are clamped in a clamping mode, a locking bolt is embedded in the lower shell 1a, a bolt mounting hole is formed in the upper shell 1b, and the lower shell 1a and the upper shell 1b are fixedly connected together through the locking bolt;
a plurality of groups of wire grooves are formed in the joint of the lower shell 1a and the upper shell 1b, and rubber gaskets are installed inside the wire grooves in a matched mode;
an anti-slip pad is fixedly bonded on the lower surface of the lower shell 1a, and an anti-slip bulge is arranged on the lower surface of the anti-slip pad;
one end of the lower shell 1a is provided with a hanging ring, and the hanging ring and the lower shell 1a are integrally formed.
The resistance value of the non-inductive resistor 8 is 2000 omega;
and two ends of the oscilloscope measuring end I4 and the oscilloscope measuring end II 6 are respectively connected to two ends of the oscilloscope.
The implementation mode is specifically as follows: when the utility model is used, a measuring relay 11 and a transfer relay 12 are respectively fixedly installed inside a lower shell 1a and an upper shell 1b, the inside of a socket 1 is connected by a lead, a 2000 omega non-inductive resistor 8 is required to be inserted on the socket 1, wherein the most important is to use the double-pole three-point measuring relay 11 to integrate and package the circuit, a matched adapter 3 is used to drive the transfer relay 12, only an oscilloscope measuring end I4, an easily-touched component connecting clamp 5 and an oscilloscope measuring end II 6 are reserved, then the easily-touched component is clamped by the easily-touched component connecting clamp 5, the oscilloscope measuring end I4 and the oscilloscope measuring end II 6 are clamped by the oscilloscope measuring ends, then the adapter 3 is inserted on a mains supply plug to measure, data meeting the measuring requirements are recorded during measurement, and the measurement quantity is calculated, realizes one-key polarity exchange and one-key measurement, and distinguishes the measurement era completely depending on hand speed control, the time difference when simultaneously disconnecting is controlled at a fixed time value of 87.5 mus (87.5 mus is equal to 8.75 seconds of ten-thousandths), the total time from the power off to the connection of the measuring circuit is controlled to be about 4.475mS (4.475mS is 4.475 thousandth), repeated wiring of measuring personnel is greatly saved, the on-off time meeting the requirements is repeatedly and manually and quickly searched, the experimental work efficiency and the accuracy of experimental measurement values are improved, the potential safety hazards of work of inspection personnel are eliminated, the workload of the testing personnel is greatly reduced, the problems that the potential safety hazards of short circuit, electric shock, finger puncture and the like exist in the discharge capacity test of easily-touched parts of household appliances in the operation work, the experiment process consumes long time, and the problem that the data and even results are inaccurate easily caused by large experimental errors in the data output process are solved.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, through the integral design, laboratory detection and related measurement personnel only need to insert a 2000 omega resistor into a tool before the experiment begins, an accessible component is clamped by an accessible component connecting clamp 5, the measurement ends of an oscilloscope clamp an oscilloscope measurement end I4 and an oscilloscope measurement end II 6, then an adapter 3 is inserted into a mains supply plug for measurement, data meeting measurement requirements are recorded during measurement, and the discharge capacity of the oscilloscope is calculated.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a household electrical appliances are accessible part discharge capacity test fixture, includes socket (1), its characterized in that: one end of the socket (1) is fixedly connected with a stabilized voltage power supply plug (2), one end of the socket (1) close to one side of the stabilized voltage power supply plug (2) is fixedly connected with an adapter (3), the side surface of the socket (1) is fixedly connected with an oscilloscope measuring end I (4), one side of the oscilloscope measuring end I (4) is fixedly connected with an easily-touched component connecting clamp (5), one side of the easily-touched component connecting clamp (5) is fixedly connected with an oscilloscope measuring end II (6), a sample plug (7) is arranged above the socket (1), a turning polarity switch (10) is embedded and installed on one side of the upper portion of the socket (1) close to the sample plug (7), the turning polarity switch (10) is connected with the socket (1) in a clamping manner, and a measuring switch (9) is embedded and installed on one side of the upper portion of the socket (1), the measuring switch (9) is connected with the socket (1) in a clamping manner;
the socket (1) comprises a lower shell (1a), and a group of upper shells (1b) are arranged above the lower shell (1 a);
a measuring relay (11) is arranged in the lower shell (1a), the measuring relay (11) is fixedly connected with the lower shell (1a), a turning relay (12) is arranged in the upper shell (1b), and the turning relay (12) is fixedly connected with the upper shell (1 b);
and a non-inductive resistor (8) is embedded in the side surface of the socket (1), and the non-inductive resistor (8) is connected with the socket (1) in a clamping manner.
2. The household appliance accessible component discharge amount testing tool according to claim 1, characterized in that: the lower shell (1a) and the upper shell (1b) are clamped in a clamping mode, a locking bolt is embedded in the lower shell (1a), a bolt mounting hole is formed in the upper shell (1b), and the lower shell (1a) and the upper shell (1b) are fixedly connected together through the locking bolt.
3. The household appliance accessible component discharge amount testing tool according to claim 2, characterized in that: the junction of lower casing (1a) and last casing (1b) is provided with the multiunit wire casing, the inside adaptation of wire casing is installed the rubber packing ring.
4. The household appliance accessible component discharge amount testing tool according to claim 3, characterized in that: the lower surface of the lower shell (1a) is fixedly bonded with a non-slip mat, and the lower surface of the non-slip mat is provided with a non-slip bulge.
5. The household appliance accessible component discharge amount testing tool according to claim 4, characterized in that: one end of the lower shell (1a) is provided with a hanging ring, and the hanging ring and the lower shell (1a) are integrally formed.
6. The household appliance accessible component discharge amount testing tool according to claim 1, characterized in that: the resistance value of the non-inductive resistor (8) is set to 2000 omega.
7. The household appliance accessible component discharge amount testing tool according to claim 1, characterized in that: and two ends of the oscilloscope measuring end I (4) and the oscilloscope measuring end II (6) are respectively connected to two ends of the oscilloscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225984.8U CN210465598U (en) | 2019-07-31 | 2019-07-31 | Household electrical appliances easily reach part discharge capacity test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921225984.8U CN210465598U (en) | 2019-07-31 | 2019-07-31 | Household electrical appliances easily reach part discharge capacity test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210465598U true CN210465598U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921225984.8U Active CN210465598U (en) | 2019-07-31 | 2019-07-31 | Household electrical appliances easily reach part discharge capacity test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210465598U (en) |
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2019
- 2019-07-31 CN CN201921225984.8U patent/CN210465598U/en active Active
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