CN220820082U - Optocoupler tester - Google Patents

Abstract

The utility model discloses an optocoupler tester which comprises a testing device, wherein a base and a shell for packaging the testing device are arranged on the outer side of the testing device, an operation port is formed in the shell, and a protection positioning device is arranged on the testing device. According to the utility model, the four-pin optocoupler or the eight-pin optocoupler is inserted into the first optocoupler test socket and the second optocoupler test socket, then the test keys at the corresponding positions are pressed for testing, when the optocoupler is normal, the circuit is communicated to enable the corresponding detection lamp to be lightened, if the optocoupler is damaged, the corresponding detection lamp is not lightened, a measurer only needs to insert the optocoupler to be tested into the first optocoupler test socket or the second optocoupler test socket at the corresponding positions, meanwhile, by arranging the protection positioning device, when the optocoupler is tested, the two cover plates clamp the optocoupler under the compression of the springs, so that the measurement stability is further improved, the high efficiency of the optocoupler measurement process is realized, the measurement is quite stable, and the effect of being convenient for practical use is achieved.

Description

Optocoupler tester

Technical Field

The utility model relates to the technical field of optocoupler testing, in particular to an optocoupler tester.

Background

The optocoupler is also called as an optoelectronic isolator, has the advantages of small volume, long service life, no contact, strong anti-interference capability, insulation between output and input, unidirectional signal transmission and the like, and is widely applied to digital circuits. When the optocoupler is measured, the universal meter is generally adopted to measure the quality of the optocoupler at present, however, the time required for the correct measurement is more when the universal meter is adopted, the measurement efficiency of the universal meter is low when the test quantity of the optocoupler is more, and the situation of instability exists when the measurement is carried out in butt joint due to the fact that the optocoupler is smaller, so that the universal meter is not beneficial to practical use.

Disclosure of utility model

The utility model aims to overcome the defects at present and provide the optical coupler tester which realizes high efficiency of an optical coupler measuring process, is quite stable in measuring and is convenient for practical use.

In order to solve the technical problems, the utility model adopts the following technical scheme: an optical coupler tester comprises a testing device, wherein a base and a shell for packaging the testing device are arranged on the outer side of the testing device, an operation port is formed in the shell, and a protection positioning device is arranged on the testing device;

the testing device comprises a substrate, a first optocoupler testing socket, a second optocoupler testing socket, two groups of testing keys, a detection lamp and a power terminal and a resistor, wherein the substrate is arranged on the substrate, the first optocoupler testing socket and the second optocoupler testing socket are arranged on the substrate, the two groups of testing keys and the detection lamp are arranged on the substrate and correspond to the first optocoupler testing socket and the second optocoupler testing socket respectively, the power terminal, the testing keys and the detection lamp are arranged on the substrate, and the power terminal, the testing keys and the detection lamp penetrate through the shell to facilitate observation and operation;

The protection positioner include two relative set up in rail on the shell, set up banding guide way on the rail, the inboard slidable of guide way is provided with the connecting rod, the one end of connecting rod is provided with the apron, the apron is two and covers the operation mouth, the rail inboard is provided with the spring, the other end of spring with the connecting rod links to each other.

Further, the resistor comprises a current limiting resistor and a safety resistor, the first optocoupler test socket is used for testing the four-pin optocoupler, and the second optocoupler test socket is used for testing the eight-pin optocoupler.

Further, a wiring port which is convenient for the external circuit to penetrate is formed in the side wall of the shell.

Further, the protection positioning device further comprises a fixing rod arranged in the rail, the connecting rod is sleeved on the fixing rod, the spring surrounds the outside of the fixing rod, and the fixing rod prevents the spring from bending when expanding and rebounding.

Further, the protection positioning device further comprises a clamping strip arranged on the cover plate, and the cover plate is connected with the clamping strip in a right angle.

The beneficial effects of the utility model are as follows:

According to the utility model, the four-pin optocoupler or the eight-pin optocoupler is inserted into the first optocoupler test socket and the second optocoupler test socket, then the test keys at the corresponding positions are pressed for testing, when the optocoupler is normal, the circuit is communicated to enable the corresponding detection lamp to be lightened, if the optocoupler is damaged, the corresponding detection lamp is not lightened, a measurer only needs to insert the optocoupler to be tested into the first optocoupler test socket or the second optocoupler test socket at the corresponding positions, and meanwhile, the protection positioning device is arranged, when the optocoupler is tested, the two cover plates clamp the optocoupler under the extrusion of the springs, so that the measurement stability is further improved.

Drawings

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is an external view of the structure of the present utility model;

FIG. 3 is a schematic diagram of a testing device according to the present utility model;

FIG. 4 is a partial view of the protective positioning device of the present utility model;

FIG. 5 is an enlarged view of a portion of the portion A of FIG. 4 in accordance with the present utility model;

FIG. 6 is a rear view of the cover plate of the present utility model;

FIG. 7 is a circuit diagram of a testing device according to the present utility model.

In the figure:

1. A testing device; 101. a substrate; 102. a first optocoupler test socket; 103. a second optocoupler test socket; 104. a resistor; 105. a power supply terminal; 106. testing keys; 107. a detection lamp; 2. a base; 3. a housing; 4. a screw; 5. an operation port; 6. a wiring port; 7. protecting the positioning device; 701. a rail; 702. a cover plate; 703. a fixed rod; 704. a connecting rod; 705. a spring; 706. clamping the strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. Embodiments of the utility model and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the utility model discloses an optocoupler tester, which comprises a testing device 1, wherein a base 2 and a shell 3 for packaging the testing device 1 are arranged on the outer side of the testing device 1, a screw 4 is arranged between the base 2 and the shell 3 for fixing, an operation opening 5 is arranged on the shell 3, the operation opening 5 corresponds to the testing device 1, the optocoupler is convenient for related personnel to cooperate with the testing device 1, an opening which is convenient for a plurality of elements of the testing device 1 to extend out for the related personnel to operate is arranged on the top wall of the shell 3, and a protection positioning device 7 is arranged on the testing device 1.

In one embodiment: the testing device 1 comprises a substrate 101 mounted on a base 2 through screws, a first optocoupler test socket 102 and a second optocoupler test socket 103 fixedly mounted on the substrate 101, two groups of test keys 106 and test lamps 107 fixedly mounted on the substrate 101 and respectively corresponding to the first optocoupler test socket 102 and the second optocoupler test socket 103, and a power terminal 105 and a resistor 104 fixedly mounted on the substrate 101, wherein the power terminal 105, the test keys 106 and the test lamps 107 penetrate through openings on the housing 3, and the power supply connected by the power terminal 105 can be 24V.

In the implementation, referring to fig. 3 and 7, a wiring port 6 through which an external circuit is conveniently arranged is formed on a side wall of the housing 3, the resistor 104 includes a current limiting resistor and a safety resistor, the resistor 104 can be used for ensuring the safety of the whole testing device 1 during measurement, the first optocoupler test socket 102 is used for testing a four-pin optocoupler, the second optocoupler test socket 103 is used for testing an eight-pin optocoupler, when the testing device is used, the power terminal 105 is firstly used for penetrating through the wiring port 6 and connecting with a 24V power supply, then the four-pin optocoupler or the eight-pin optocoupler is inserted on the first optocoupler test socket 102 and the second optocoupler test socket 103, then a testing key 106 at a corresponding position is pressed for testing, when the optocoupler is normal, the circuit is communicated to enable the corresponding detection lamp 107 to be lighted accordingly, and if the optocoupler is damaged, the corresponding detection lamp 107 is not lighted, the testing device 1 can measure a single optocoupler, and also can measure two optocouplers simultaneously, and a measurer only needs to insert the optocoupler to be tested at the first optocoupler test socket 102 or the second optocoupler test socket 103 at the corresponding position, and the testing socket at the corresponding position, and the measuring process is convenient.

Meanwhile, the protection positioning device 7 includes two rails 701 relatively mounted on the housing 3, a strip-shaped guide groove is formed in a side wall of the rails 701, a connecting rod 704 is slidably disposed inside the guide groove, one end of the connecting rod 704 is fixedly connected with a cover plate 702, the cover plate 702 is two and covers the upper portion of the operation opening 5, a spring 705 is movably mounted inside the rails 701, the other end of the spring 705 is connected with the connecting rod 704, and the cover plate 702 is transparent and convenient to observe.

In specific implementation, when two apron 702 are mutually attached, it shelters from to the operation mouth 5 directly over to can prevent debris from entering into the shell 3 in influence testing arrangement 1's safety in utilization, when measuring, slide two apron 702 to the one side that keeps away from each other, slide to two apron 702 card in the both sides of optocoupler that awaits measuring can, the spring 705 that contracts at this moment outwards expands, thereby extrude two apron 702 and make it have the clamping power and clip the optocoupler that awaits measuring, the safety and stability in the optocoupler measurement process can further be improved to this structure, in order to realize optocoupler measurement process high efficiency, and very stable during the measurement, the effect of the in-service use of being convenient for.

In specific implementation, the protection positioning device 7 further comprises a fixing rod 703 fixedly connected to the rail 701, wherein the connecting rod 704 is sleeved on the fixing rod 703, the spring 705 surrounds the fixing rod 703, when the cover plate 702 needs to be slidably adjusted, the spring 705 is always arranged outside the fixing rod 703 in the shrinkage process, the fixing rod 703 can prevent the spring 705 from bending to the side, the operation safety of the structure is improved, and the spring 705 has a longer service life.

In an embodiment, the protection positioning device 7 further includes a clamping strip 706 fixedly connected to the cover plates 702, the cover plates 702 are connected to the clamping strip 706 at right angles, the clamping strips 706 on the two cover plates 702 correspond to each other, and when the cover plates 702 clamp and position the optocoupler to be tested, the vertical clamping area of the optocoupler to be tested can be increased by setting the clamping strips 706, so that the clamping stability is further improved.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In addition, "a plurality of" means two or more.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (5)

1. An optocoupler tester, characterized in that: the testing device comprises a testing device (1), wherein a base (2) and a shell (3) for packaging the testing device (1) are arranged on the outer side of the testing device (1), an operation port (5) is formed in the shell (3), and a protection positioning device (7) is arranged on the testing device (1);

The testing device (1) comprises a substrate (101) mounted on the base (2), a first optocoupler testing socket (102) and a second optocoupler testing socket (103) arranged on the substrate (101), two groups of testing keys (106) and testing lamps (107) which are arranged on the substrate (101) and respectively correspond to the first optocoupler testing socket (102) and the second optocoupler testing socket (103), and a power terminal (105) and a resistor (104) which are arranged on the substrate (101), wherein the power terminal (105), the testing keys (106) and the testing lamps (107) penetrate through the shell (3) to facilitate observation operation;

The protection positioner (7) include two relative set up in rail (701) on shell (3), set up banding guide way on rail (701), the inboard slidable of guide way is provided with connecting rod (704), the one end of connecting rod (704) is provided with apron (702), apron (702) are two and cover operation mouth (5), rail (701) inboard is provided with spring (705), the other end of spring (705) with connecting rod (704) link to each other.

2. The optocoupler of claim 1, wherein: the resistor (104) comprises a current limiting resistor and a safety resistor, the first optocoupler test socket (102) is used for testing the four-pin optocoupler, and the second optocoupler test socket (103) is used for testing the eight-pin optocoupler.

3. The optocoupler of claim 1, wherein: the side wall of the shell (3) is provided with a wiring port (6) which is convenient for an external circuit to penetrate.

4. The optocoupler of claim 1, wherein: the protection positioning device (7) further comprises a fixing rod (703) arranged in the rail (701), the connecting rod (704) is sleeved on the fixing rod (703), the spring (705) surrounds the outside of the fixing rod (703), and the fixing rod (703) prevents the spring (705) from bending during expansion and rebound.

5. The optocoupler of claim 1, wherein: the protection positioning device (7) further comprises a clamping strip (706) arranged on the cover plate (702), and the cover plate (702) is connected with the clamping strip (706) at a right angle.