CN203084094U - Transformer testing machine - Google Patents

Abstract

The utility model discloses a transformer testing machine, which is used for connecting a high-voltage testing instrument, and comprises a base, a fixed seat, an assembly seat, a pressing piece seat, two parallel guide rails and a locking device, wherein the fixed seat and the pressing piece seat are arranged on the base in parallel; one side of the pressing piece seat, which is far away from the assembling seat, is provided with a locking device which controls the pressing piece seat to move back and forth. The utility model controls the locking device to push the pressing piece seat to approach the assembly seat by placing the transformer in the clamping groove of the assembly seat, so that the first contact piece and the second contact piece contact the pins of the transformer to be tested; by the testing method of connecting the primary coils and the secondary coils of a plurality of transformers in series, the transformers can be measured at one time, the transformers are inserted reversely or a certain transformer circuit breaking system can give out alarm sound, the working efficiency is greatly improved, and the artificial error rate is reduced.

Description

Transformer testing machine

technical field

The utility model relates to a testing machine, in particular to a transformer testing machine.

Background technique

Transformers are relatively common electronic components that are used in almost all electronic products and have gradually become one of the indispensable electronic components in electronic circuits.

With the rapid development of the economy, transformers are used in a wide range of applications, and every business and family needs to use them. With the improvement of electrical appliances, the requirements for transformers have also increased. At present, the commonly used detection method is to use a multimeter to measure. This test method is simple, low in precision, and measured one by one, with a large workload and low work efficiency. Moreover, the test results are greatly affected by human factors, and it is difficult to use in mass production in factories. Transformer needs.

Utility model content

Based on this, it is necessary to provide a transformer testing machine that can improve work efficiency and reduce the rate of human error in view of the existing technical problems.

The above object is not solved, the utility model discloses a transformer testing machine, which is used to connect high-voltage testing instruments, including a base, a fixing seat, an assembly seat, a pressing part seat, two parallel guide rails and a locking device , the fixed seat and the pressure piece seat are arranged in parallel on the base, an assembly seat is provided between the fixed seat and the pressure piece seat, the assembly seat is installed on the base, and the guide rails respectively pass through the fixed seat, assembly The two ends of the seat and the press seat; the side of the press seat away from the assembly seat is provided with a locking device, and the lock device controls the front and rear movement of the press seat.

Further, the bottom of the base is provided with a "concave" type storage tank, and the bottom of the storage tank is provided with perforations; the storage tank is provided with more than one resistor R1, resistor R2 and connectors, and the connection The piece is passed through the through hole, and the above one resistors R1 and R2 are electrically connected to the connecting piece.

Further, the fixing seat is provided with a first contact, and the first contact is connected with a high voltage testing instrument.

Further, a clamping slot for accommodating the transformer is provided at a position matching the first contact on the assembly seat.

Further, a second contact is provided at a position corresponding to the first contact on the pressing member seat, and the second contact is electrically connected to the connecting member.

Further, a spring is sheathed on the guide rail, a pipe is respectively provided on the fixing seat and the assembly seat, and the spring passes through the pipe.

Further, the locking device includes a handle, a support, a connecting rod and a straight rod, the end of the handle is provided with a first hinge hole and a second hinge hole, and the handle is hinged to the support through the first hinge hole; One end of the connecting rod is hinged to the handle through the second hinge hole, and the other end of the connecting rod is hinged to the straight rod.

To sum up, the transformer testing machine of the utility model puts the transformer in the clamping groove of the assembly seat, and controls the locking device to push the pressing piece seat closer to the assembly seat, so that the first contact and the second contact contact the transformer. After the pin is tested; through the test method of connecting the primary coils and secondary coils of multiple transformers in series, multiple transformers can be measured at one time. The transformer will be inserted reversely or a certain transformer is disconnected. The system will send out an alarm, which greatly improves work efficiency and Reduce human error rate.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a utility model transformer testing machine.

Fig. 2 is a front view of the utility model transformer testing machine.

Fig. 3 is a bottom view of the utility model transformer testing machine.

Fig. 4 is a schematic perspective view of the three-dimensional structure of the locking device of the utility model.

Fig. 5 is a schematic circuit diagram of the testing method of the utility model transformer testing machine.

Detailed ways

In order to further understand the features, technical means, and achieved specific objectives and functions of the utility model, the utility model will be further described in detail below in conjunction with accompanying drawings 1 to 5 and specific embodiments.

The transformer testing machine of the utility model can measure a plurality of transformers at the same time, and the models of the transformers can be multiple, as long as the assembly seat 300 suitable for the size of the transformer to be tested is replaced. This embodiment is preferably able to measure four transformers at the same time, that is, the following content: the number of clamping slots 310, first contacts 210 and second contacts 420 for accommodating transformers on the assembly base 300 are four, and the selected The transformer preferably contains two primary coils and one secondary coil.

Please refer to Figure 1, a transformer testing machine, which is used to connect a high-voltage testing instrument 700, includes a base 100, and also includes a fixing seat 200, an assembly seat 300, a pressing piece seat 400, two parallel guide rails 500 and a lock device 600. The fixing base 200 and the pressing piece base 400 are arranged in parallel on the base 100 , an assembly base 300 is provided between the fixing base 200 and the pressing piece base 400 , and the assembly base 300 is installed on the base 100 . The guide rail 500 respectively passes through two ends of the fixing seat 200 , the assembly seat 300 and the pressing piece seat 400 . A locking device 600 is provided on the side of the pressing part seat 400 away from the assembly seat 300 , and the locking device 600 controls the pressing part seat 400 to move forward and backward. The transformer to be tested is placed on the assembly seat 300 , and the pressing piece seat 400 is pushed closer to the assembly seat 300 by controlling the locking device 600 , and the transformer to be tested on the assembly seat 300 is fixed.

Please refer to FIG. 2 and FIG. 3 together. The bottom of the base 100 is provided with a "concave" type accommodating groove 110, and the bottom of the accommodating groove 110 is provided with perforations 111. In this embodiment, the number of perforations 111 is preferably eight. The accommodating groove 110 is provided with one or more resistors R1 , one resistor R2 and a connecting piece 112 , the connecting piece 112 passes through the through hole 111 , and the one or more resistors R1 and R2 are electrically connected with the connecting piece 112 . The "concave" type accommodating groove 110 can be matched and clamped on the workbench, and the connector 112 on the accommodating groove 110 is matched with the jack inserted on the workbench, so it is simple and convenient to replace the transformer testing machine of the device.

The fixing base 200 is provided with a first contact 210 , and the first contact 210 is connected with the high voltage testing instrument 700 . In this embodiment, each first contact 210 includes six contacts (not shown in the figure), and a corresponding number of contacts is selected according to the number of pins of the primary coil of the transformer.

A clamping slot 310 for accommodating a transformer is defined on the mounting base 300 at a position corresponding to the first contact 210 .

A second contact 420 is provided on the press seat 400 at a position corresponding to the first contact 210 , and the second contact 420 is electrically connected to the connecting member 112 . In this embodiment, each second contact piece 420 includes two contacts (not shown in the figure), and the contacts are connected to the pins of the secondary coil of the transformer through the connecting piece 112 .

A spring 510 is sheathed on the guide rail 500 , and a pipe 520 is respectively provided on the fixing seat 200 and the assembly seat 300 , and the spring 510 passes through the pipe 520 .

The locking device 600 includes a handle 610, a support 620, a connecting rod 630 and a straight rod 640. The end of the handle 610 is provided with a first hinge hole 611 and a second hinge hole 612 from bottom to top. The handle 610 is hinged through the first hinge. The hole 611 is hinged to the support 620 ; one end of the connecting rod 630 is hinged to the handle 610 through the second hinged hole 612 , and the other end of the connecting rod 630 is hinged to the straight rod 640 .

The action realization process of the present utility model is as follows:

When the operator manually moves the handle 610 inward, the handle 610 pushes the connecting rod 630, and the connecting rod 630 drives the straight rod 640 to push the pressing piece seat 400 forward, and the pressing piece seat 400 moves closer to the assembly seat 300 along the guide rail 500. The transformer is fixed under the action of the first contact 210 and the second contact 420 on both sides of the seat 300. At this time, the transformer has been connected to the high-voltage testing instrument 700 for measurement, and the spring 510 is in a compressed state;

When the operator manually moves the handle 610 to the outside, the handle 610 pulls the connecting rod 630, and the connecting rod 630 drives the straight rod 640 to pull the pressing piece seat 400 backward, and under the driving force of the spring 510, the pressing piece seat 400 moves along the The guide rail 500 is far away from the assembly base 300, and the transformer fixed on the assembly base 300 loses the functions of the first contact 210 and the second contact 420 and loosens. At this time, the operator can remove the transformer and replace it with a new one for measurement. At this time, the spring 510 is in a naturally stretched state.

The transformer testing machine of the utility model realizes the one-time measurement of multiple transformers through the testing method of connecting the primary coils and secondary coils of multiple transformers. The transformers are inserted reversely or a certain transformer circuit breaker system will send out an alarm sound, which greatly improves the work efficiency and Reduce human error rate.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (7)

1. A transformer testing machine, which is used to connect a high-voltage testing instrument (700), including a base (100), characterized in that: it also includes a fixing seat (200), an assembly seat (300), a pressing seat (400 ), two parallel guide rails (500) and a locking device (600), the fixed seat (200) and the pressure piece seat (400) are arranged on the base (100) in parallel, the fixed seat (200) and the pressure piece An assembly seat (300) is provided between the component seats (400), and the assembly seat (300) is installed on the base (100), and the guide rail (500) respectively passes through the fixing seat (200), the assembly seat (300 ) and both ends of the pressing seat (400); the side of the pressing seat (400) away from the assembly seat (300) is provided with a locking device (600), and the locking device (600) controls the pressing seat (400) to move back and forth. 2. The transformer testing machine according to claim 1, characterized in that: the bottom of the base (100) is provided with a "concave" type accommodating tank (110), and the bottom of the accommodating tank (110) is provided with a perforation (111); the accommodating tank (110) is provided with more than one resistor R1, resistor R2 and connecting piece (112), the connecting piece (112) is pierced through the perforation (111), and the more than one resistor R1 And the resistor R2 is electrically connected with the connector (112). 3. The transformer testing machine according to claim 1, characterized in that: the fixing seat (200) is provided with a first contact (210), and the first contact (210) is connected with the high-voltage testing instrument (700 )connect. 4 . The transformer testing machine according to claim 3 , characterized in that: a holding slot ( 310 ) for accommodating a transformer is provided at a position matching the first contact ( 210 ) on the assembly seat ( 300 ). 5. The transformer testing machine according to claim 1 or claim 3, characterized in that: a second contact (420) is provided at a position matching the first contact (210) on the pressing piece seat (400) , the second contact (420) is electrically connected to the connecting member (112). 6. The transformer testing machine according to claim 1, characterized in that: the guide rail (500) is covered with a spring (510), and the fixing seat (200) and the assembly seat (300) are respectively provided with a pipe (520 ), the spring (510) passes through the pipe (520). 7. The transformer testing machine according to claim 1, characterized in that: the locking device (600) includes a handle (610), a support (620), a connecting rod (630) and a straight rod (640), the The end of the handle (610) is provided with a first hinge hole (611) and a second hinge hole (612), and the handle (610) is hinged to the support (620) through the first hinge hole (611); the connection One end of the rod (630) is hinged to the handle (610) through the second hinge hole (612), and the other end of the connecting rod (630) is hinged to the straight rod (640).

Images