CN220543071U - Device and socket for testing on-off of contact of sealed relay - Google Patents
Device and socket for testing on-off of contact of sealed relay Download PDFInfo
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- CN220543071U CN220543071U CN202321668550.1U CN202321668550U CN220543071U CN 220543071 U CN220543071 U CN 220543071U CN 202321668550 U CN202321668550 U CN 202321668550U CN 220543071 U CN220543071 U CN 220543071U
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- 238000011056 performance test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a device and a socket for testing the on-off of a contact of a sealed relay, wherein the device is configured to comprise: the test board is distributed with sockets for the plug-in mounting of the relay to be tested, and the sockets are formed with coil pins for being electrically connected with coil leading-out ends of the relay to be tested and contact pins for being electrically connected with load leading-out ends of the relay to be tested; the contact pins include a first contact pin, a second contact pin electrically connected with the first contact pin, a third contact pin, a fourth contact pin electrically connected with the third contact pin, a fifth contact pin, and a sixth contact pin; the tester is distributed with an indicator light for indicating whether the relay contact to be tested acts or not, and the indicator light comprises a first indicator light for being electrically connected with the fifth contact pin and a second indicator light for being electrically connected with the sixth contact pin. The device realizes the test of relay contact on-off.
Description
Technical Field
The utility model relates to a device and a socket for testing on-off of a contact of a sealed relay.
Background
The TO-5 relay comprises a miniature sealed direct current relay and a magnetic latching relay, and in the performance test process of the TO-5 relay, temperature impact is required, whether the T0-5 relay can normally be switched on or off or not after the temperature impact is required TO be tested, and whether the action release voltage meets the technical requirements of products or not is required TO be tested. For this purpose, the present utility model has been proposed.
Disclosure of Invention
The utility model provides a device for testing the on-off of a contact of a sealed relay, which is configured to include:
the test board is distributed with sockets for the plug-in mounting of the relay to be tested, and the sockets are formed with coil pins for being electrically connected with coil leading-out ends of the relay to be tested and contact pins for being electrically connected with load leading-out ends of the relay to be tested; the contact pins include a first contact pin, a second contact pin electrically connected with the first contact pin, a third contact pin, a fourth contact pin electrically connected with the third contact pin, a fifth contact pin, and a sixth contact pin;
the first contact pin and the second contact pin are respectively used for inserting a group of load leading-out ends of the relay to be tested, which are respectively electrically connected with the first normally open contact and the first normally closed contact; the third contact pin and the fourth contact pin are respectively used for inserting a load leading-out end of the relay to be tested, which is electrically connected with the common contact, and the fifth contact pin and the sixth contact pin are respectively used for inserting a load leading-out end of the relay to be tested, which is respectively electrically connected with the second normally open contact and the second normally closed contact;
the tester is distributed with an indicator light for indicating whether the relay contact to be tested acts or not, and the indicator light comprises a first indicator light for being electrically connected with the fifth contact pin and a second indicator light for being electrically connected with the sixth contact pin.
In some embodiments, the sockets distributed on the test board include at least two groups, the coil pins of each group of sockets are simultaneously connected and disconnected with power, and each socket is provided with a corresponding first indicator light and a corresponding second indicator light.
In some embodiments, the coil pins include two sets, each set including a first coil pin for receiving a positive power source and a second coil pin for receiving a negative power source, the second coil pins of the two sets of coil pins being connected together.
In some embodiments, the device further comprises a dc power supply for powering the coil pins and a load power supply for powering the first contact pins.
In some embodiments, the output of the dc power source is coupled to the coil pins via a potentiometer.
In some embodiments, the device further comprises a voltage indication unit for displaying the power supply voltage connected to the coil pins.
In some embodiments, a change-over switch is also distributed on the test board, for grounding the coil pins or connecting to a power source.
The utility model also provides a socket, which is provided with a coil pin for electrically connecting with a coil leading-out end of the relay to be tested and a contact pin for electrically connecting with a load leading-out end of the relay to be tested; the contact pins include a first contact pin, a second contact pin electrically connected with the first contact pin, a third contact pin, a fourth contact pin electrically connected with the third contact pin, a fifth contact pin, and a sixth contact pin.
The beneficial effects of the utility model at least comprise:
1) The device realizes the electrical connection with the relay to be tested through the test board, and the distributed indicator lamps on the tester realize the action state indication of the relay contact to be tested, thereby realizing the test of the relay contact on-off.
2) The device observes the contact-on state through the indicator lamp, and is simple and clear
3) The device realizes simultaneous testing of multiple relays and improves testing efficiency.
4) The device can meet the requirement of energizing a single-coil relay, can also energize a double-coil magnetic latching relay coil, can adjust the voltage of a power supply, and meets the relay tests of different coil specifications.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art. In the drawings:
fig. 1 is a schematic structural diagram of a socket of the device provided by the utility model;
FIGS. 2-4 are diagrams of the distribution of sockets on a test board of the apparatus provided by the present utility model;
FIG. 5 is a schematic diagram of a connector on a test board of the device according to the present utility model;
FIGS. 6-7 are graphs of tester profiles of the apparatus provided by the present utility model;
FIG. 8 is a schematic diagram of a test of the apparatus of the present utility model;
FIG. 9 is a second schematic diagram of the device according to the present utility model;
in the drawing, the reference numerals on the leads are reference numerals, the reference numerals on the sockets are pin reference numerals, the reference numerals on the socket leads are connection end numbers for matching with corresponding pin numbers on the connector, and the reference numerals are consistent and indicate that the socket leads and the connection end numbers are connected together.
Detailed Description
The technical scheme claimed in the patent of the utility model is further described in detail with reference to the accompanying drawings and the detailed description.
The device provided by the utility model is used for realizing the on-off test of the contact of the relay to be tested, and can be used for testing the on-off of the contact under the conventional debugging of the relay (without carrying out temperature impact on the relay) or testing the on-off of the contact of the relay under the temperature impact. The device is configured to comprise a test board for plugging the relay to be tested and realizing electrical connection with the leading-out end of the relay to be tested and a tester for displaying the suction and release states of the contact points of the relay to be tested; the test board and the tester are directly electrically connected through wires, or are electrically connected through connectors and wires.
Referring to fig. 1 to 9, a socket 1 for plugging a relay to be tested and a connector for electrical connection are distributed on a test board of the device, and the socket is formed with coil pins for electrical connection with coil outlets of the relay to be tested and contact pins for electrical connection with load outlets of the relay to be tested; the contact pins include a first contact pin 3, a second contact pin 4 electrically connected to the first contact pin 3, a third contact pin 2, a fourth contact pin 7 electrically connected to the third contact pin 2, a fifth contact pin 8, and a sixth contact pin 9.
The first contact pin 3 and the second contact pin 4 are respectively used for inserting a group of load leading-out ends of the relay to be tested, which are respectively electrically connected with the first normally open contact and the first normally closed contact; the third contact pin 2 and the fourth contact pin 7 are respectively used for inserting a load leading-out end of the relay to be tested, which is electrically connected with the common contact, and the fifth contact pin 8 and the sixth contact pin 9 are respectively used for inserting a load leading-out end of the relay to be tested, which is respectively electrically connected with the second normally open contact and the second normally closed contact.
Referring to fig. 6-7, the tester of the present device is configured to include an indicator light for indicating the action of the relay contact to be tested and a connector electrically connected with the indicator light, the indicator light includes a first indicator light for electrically connecting with the fifth contact pin 8 and a second indicator light for electrically connecting with the sixth contact pin 9, the first indicator light and the second indicator light are connected with each other, and the connector is connected with the connector on the test board through a wire to realize the electrical connection of the tester and the test board.
Referring to fig. 8, a to-be-tested relay J1 is inserted on a socket, and a group of load leading-out ends (6 and 8 in fig. 8) of the to-be-tested relay J1, which are electrically connected with normally open and normally closed contacts, are respectively contacted with a first contact pin 3 and a second contact pin 4 so that the leading-out ends 6 and 8 are connected together; the common terminals (7, 4 in fig. 8) electrically connected to the common contacts are respectively contacted with the third contact pin 2 and the fourth contact pin 7, so that the common terminals 4, 7 are connected together; a load leading-out terminal 5 connected with a normally closed contact (normally closed contact for connecting a load) of the relay J1 to be tested and a load leading-out terminal 3 connected with a normally open contact (normally open contact for connecting a load) of the relay J1 to be tested are respectively contacted with a fifth contact pin 8 and a sixth contact pin 9, and the fifth contact pin 8 and the sixth contact pin 9 are respectively electrically connected with a first indicator lamp and a second indicator lamp through connectors (D1/D2 in the figure); coil outlets (1, 2 in fig. 8) of the relay J1 to be tested connected with the coil are respectively contacted with the coil pins.
After the relay J1 to be tested is inserted on a socket, two groups of contacts with the relay J1 to be tested are connected in series through pins to form a group, a load power supply is connected to the first contact pin 3, when the coil power supply is not connected to the coil pins (i.e. the coil of the relay J1 to be tested is not powered on), the load leading-out ends 7, 8, 4 and 5 are conducted (the second contact pin 4, the third contact pin 2, the fourth contact pin 7 and the fifth contact pin 8 are communicated), and a first indicator lamp is lighted to indicate that a normally-closed contact is conducted; when the coil power supply is connected with a coil pin (namely the coil of the relay J1 to be tested is powered on), the relay acts, the normally closed contact is disconnected, the normally open contact is connected, the load leading-out ends 6, 7, 4 and 3 are conducted (the first contact pin 4, the third contact pin 2, the fourth contact pin 7 and the sixth contact pin 9 are communicated), and the second indicator lamp is lighted to indicate that the normally open contact is conducted; if the coil power supply is not connected or the contacts are different, the indicator lamp in the corresponding state is not in the corresponding state, and the on-off test of the relay contacts is realized.
In order to realize the test of the relays to be tested, a plurality of sockets are distributed on a test board of the device, the number of the indicating lamps on the tester is the number of the sockets multiplied by 2, and each socket is required to be provided with two indicating lamps, one for indicating a normally closed state and one for indicating a normally open state; 1-7, the socket is configured with 100 indicating lamps, wherein 100 indicating lamps are configured with 200 indicating lamps for indicating normally closed states, and the other 100 indicating lamps are configured with 100 indicating lamps for indicating normally open states; a current limiting resistor is connected in series on a branch where each indicator lamp is located, so that the current on the branch is limited in the rated current range of the indicator lamp, and the indicator lamp is prevented from being burnt; the resistance of the current limiting resistor is set according to the rated current range of the indicator lamp, and the resistance of the current limiting resistor can be calculated when the rated current of the indicator lamp and the load power supply are determined according to ohm's law.
In order to realize the purpose of powering up the single-coil relay and the double-coil magnetic latching relay, the coil pins of the device comprise two groups, each group comprises a first coil pin (+1, +2 in figure 1) for connecting a positive power supply and a second coil pin (1-1 and-2 in figure 1) for connecting a negative power supply, and the second coil pins of the two groups of coil pins are connected together (1-1 and-2 in figure 1). After the relay to be tested is inserted, the coil leading-out end connected with the coil can be contacted with +1 and-1 (single coil) or contacted with +1, 1, +2 and-2 (double coil).
Referring to fig. 9, when the device is used for testing a magnetic latching relay, after the magnetic latching relay is inserted into a socket, coil power is provided to coil pins (+1, +2 in fig. 9 correspond to +1, +2 on the socket and indicate contact connection between the coil pins and the socket) through a change-over switch S1, and electric connection is formed after the power is connected to the coil power for switching the double-coil power. In fig. 9, the contacts S1, S2, T1, T2, S and T are respectively in contact with the second contact pin 4, the first contact pin 3, the fifth contact pin 8, the sixth contact pin 9, the third contact pin 2, the fourth contact pin 7 after the magnetic latching relay is inserted in the socket; the load power supply is connected to the first contact pin; b1 and B2, A1 and A2 respectively represent two sets of coils, and switching of coil energization is achieved by a changeover switch S1. The test procedure is the same as described above and will not be repeated here.
In order to meet relay tests of different coil specifications, the device is further provided with the potentiometer, a power supply provided by a coil power supply is connected to the coil through the potentiometer, and the potentiometer is adjusted, so that different voltages can be connected to the coil of the relay to be tested, and the requirements of the coils of different specifications are met.
In order to realize the test of the voltage of the attraction and disconnection of the contact, the device also comprises a voltage indication unit for displaying the power supply voltage connected to the coil pins; when the voltage indicating unit is matched with the potentiometer, the voltage of the access coil is slowly regulated through the potentiometer, after the relay acts, the indicator lamp indicating the current state is extinguished, the indicator lamp indicating the next state is lighted, and at the moment, the voltage displayed on the voltage indicating unit is the voltage of the relay contact acts, so that the tests of relay contact on-off, contact attraction and voltage release are realized.
The device can be used for testing various sealed relays, such as T0-5 sealed electromagnetic relays.
When the device is used, a product to be tested is inserted into a socket, a test board is placed in a high-low temperature box, a tester is turned on after temperature impact, a coil power supply voltage knob is slowly regulated, the upper voltage limit value meets the upper limit value specified by the product, and the switching condition of an indicator lamp is observed to judge the switching condition of a relay contact; the relay is tested to be on-off by the contact under the temperature impact, and whether the technical requirement of the product is met is judged.
When a plurality of sockets are arranged on the device test board, a plurality of relays can be tested at the same time, so that the test efficiency is improved; the single-coil relay can be powered up, the double-coil magnetic latching relay can be powered up, the voltage of the power supply can be adjusted, and relay tests of different coil specifications can be met; the contact-on state is observed through the indicator lamp, and the method is simple and clear.
The present disclosure has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of implementation of the present disclosure. It must be noted that the disclosed embodiments do not limit the scope of the present disclosure. Rather, the foregoing is considered to be illustrative, and it is to be understood that the utility model is not limited to the specific details disclosed herein.
Claims (10)
1. An apparatus for testing the make and break of a sealed relay contact, the apparatus being configured to include:
the test board is distributed with sockets for the plug-in mounting of the relay to be tested, and the sockets are formed with coil pins for being electrically connected with coil leading-out ends of the relay to be tested and contact pins for being electrically connected with load leading-out ends of the relay to be tested; the contact pins include a first contact pin, a second contact pin electrically connected with the first contact pin, a third contact pin, a fourth contact pin electrically connected with the third contact pin, a fifth contact pin, and a sixth contact pin;
the first contact pin and the second contact pin are respectively used for inserting a group of load leading-out ends of the relay to be tested, which are respectively electrically connected with the first normally open contact and the first normally closed contact; the third contact pin and the fourth contact pin are respectively used for inserting a load leading-out end of the relay to be tested, which is electrically connected with the common contact, and the fifth contact pin and the sixth contact pin are respectively used for inserting a load leading-out end of the relay to be tested, which is respectively electrically connected with the second normally open contact and the second normally closed contact;
the tester is distributed with an indicator light for indicating whether the relay contact to be tested acts or not, and the indicator light comprises a first indicator light for being electrically connected with the fifth contact pin and a second indicator light for being electrically connected with the sixth contact pin.
2. The device for testing the on-off of the contacts of the sealed relay according to claim 1, wherein the sockets distributed on the test board comprise at least two groups, the coil pins of each group of sockets are simultaneously connected and disconnected with power, and each socket is provided with a corresponding first indicator lamp and a corresponding second indicator lamp.
3. The apparatus for testing the switching of a sealed relay contact according to claim 1, wherein the coil pins comprise two groups, each group comprising a first coil pin for connecting a positive power source and a second coil pin for connecting a negative power source, the second coil pins of the two groups being connected together.
4. The apparatus for testing the switching of a sealed relay contact according to claim 1, further comprising a dc power supply for supplying power to said coil pins and a load power supply for supplying power to said first contact pins.
5. The device for testing the switching of a sealed relay contact according to claim 4, wherein the output of the direct current power supply is connected to the coil pins through a potentiometer.
6. The apparatus for testing the switching of contacts of a sealed relay according to claim 4, further comprising a voltage indication unit for displaying a power voltage applied to the coil pins.
7. The device for testing the on-off of the contacts of the sealed relay according to claim 1, wherein a change-over switch is further distributed on the test board and is used for grounding the coil pins or connecting a power supply.
8. The device for testing the on-off of contacts of a sealed relay according to claim 1, wherein the relay to be tested is a T0-5 relay.
9. The device for testing the contact on-off of a sealed relay according to claim 1, wherein the contact on-off of the relay to be tested is operated under the impact of temperature.
10. A socket, characterized in that the socket is formed with coil pins for electrically connecting with coil outlets of a relay to be tested and contact pins for electrically connecting with load outlets of the relay to be tested; the contact pins include a first contact pin, a second contact pin electrically connected with the first contact pin, a third contact pin, a fourth contact pin electrically connected with the third contact pin, a fifth contact pin, and a sixth contact pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668550.1U CN220543071U (en) | 2023-06-28 | 2023-06-28 | Device and socket for testing on-off of contact of sealed relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668550.1U CN220543071U (en) | 2023-06-28 | 2023-06-28 | Device and socket for testing on-off of contact of sealed relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220543071U true CN220543071U (en) | 2024-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321668550.1U Active CN220543071U (en) | 2023-06-28 | 2023-06-28 | Device and socket for testing on-off of contact of sealed relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220543071U (en) |
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2023
- 2023-06-28 CN CN202321668550.1U patent/CN220543071U/en active Active
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