CN210072010U - Relay testing tool - Google Patents
Relay testing tool Download PDFInfo
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- CN210072010U CN210072010U CN201920415881.1U CN201920415881U CN210072010U CN 210072010 U CN210072010 U CN 210072010U CN 201920415881 U CN201920415881 U CN 201920415881U CN 210072010 U CN210072010 U CN 210072010U
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Abstract
The utility model relates to a relay testing tool, include: the system comprises a toggle switch and a power switch which are connected with a relay, power terminals which are connected with the power switch and the relay and are used for connecting an external power supply, a first measuring terminal connected with a common pin of the toggle switch, and a second measuring terminal connected with the relay, wherein the relay is respectively connected with a first position pin and a second position pin of the toggle switch; the toggle switch is used for switching the first measuring terminal to be conducted with the second measuring terminal when the relay is electrified or loses the power. Implement the utility model discloses nimble convenient, efficiency of software testing is high, saves time and manpower resources.
Description
Technical Field
The utility model relates to a relay test technical field, more specifically say, relate to a relay testing tool.
Background
The traditional TEC relay test adopts a simple method of manually testing the contact resistance value by using a multimeter, the equipment connection is complicated, dozens of wires are needed in the working process, the equipment cannot be repeatedly used, each relay needs to be repeatedly wired, the unfavorable fixation and measurement are realized, the measurement error is easy to occur, the labor investment is large, and the construction period is long.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned prior art defect of prior art, a relay testing tool is provided.
The utility model provides a technical scheme that its technical problem adopted is: constructing a relay testing tool includes: the device comprises a toggle switch and a power switch which are connected with a relay, a power terminal which is connected with the power switch and the relay and is used for connecting an external power supply, a first measuring terminal which is connected with a common pin of the toggle switch, and a second measuring terminal which is connected with the relay, wherein the relay is respectively connected with a first position pin and a second position pin of the toggle switch;
the toggle switch is used for switching the first measuring terminal to be conducted with the second measuring terminal when the relay is powered on or powered off.
Preferably, the second measurement terminal is connected with a contact common pin of the relay, a first position pin of the toggle switch is connected with a contact normally open pin of the relay, and a second position pin of the toggle switch is connected with a contact normally closed pin of the relay.
Preferably, the utility model discloses a relay test tool still includes emitting diode D1, emitting diode D1 positive pole with the first end of the coil of relay is connected, emitting diode D1 negative pole through resistance R1 with the second end of the coil of relay is connected.
Preferably, the power supply terminals include a first power supply terminal and a second power supply terminal; the power switch comprises a three-pin two-gear rocker switch SW2, a third pin of the three-pin two-gear rocker switch SW2 is connected with the first power terminal, a second pin of the three-pin two-gear rocker switch SW2 is connected with a first end of a coil of the relay, and a second power terminal is connected with a second end of the coil of the relay.
Preferably, the three-foot two-gear rocker switch SW2 is MTS-102-F1-TO-12 MM.
Preferably, the relay includes a multi-contact relay, the toggle switch includes a plurality of sets of toggle switches, the first measurement terminal includes a plurality of first measurement terminals respectively connected to common pins of the plurality of sets of toggle switches, and the second measurement terminal includes a plurality of second measurement terminals respectively connected to a plurality of contact common pins of the multi-contact relay.
Preferably, the multi-contact relay is a TEC relay, the multiple groups of toggle switches are integrated second-gear double-row twelve-pin toggle switches SW1, the multiple first measurement terminals include four first measurement terminals connected to a second pin, a fifth pin, an eighth pin and an eleventh pin of the second-gear double-row twelve-pin toggle switch SW1, and the multiple second measurement terminals include four second measurement terminals connected to a first contact common pin, a second contact common pin, a third contact common pin and a fourth contact common pin of the TEC relay, respectively; a first pin, a fourth pin, a seventh pin and a second pin of the second-gear double-row twelve-pin toggle switch SW1 are respectively and correspondingly connected with a first contact normally open pin, a second contact normally open pin, a third contact normally open pin and a fourth contact normally open pin of the TEC relay; and a third pin, a sixth pin, a ninth pin and a twelfth pin of the second-gear double-row twelve-pin toggle switch SW1 are respectively and correspondingly connected with a first contact normally closed pin, a second contact normally closed pin, a third contact normally closed pin and a fourth contact normally closed pin of the TEC relay.
Preferably, the model of the two-gear double-row twelve-foot toggle switch SW1 is SS-42H 03.
Preferably, the power supply terminal, the first measurement terminal and the second measurement terminal are M4 x 36 terminals.
Preferably, the utility model discloses a relay test tool still include with relay demountable installation's installation base CON1, the relay passes through installation base CON1 with switch toggle switch first measurement terminal with the second measurement terminal corresponds the connection.
Implement the utility model discloses a relay test tool has following beneficial effect: the test method is flexible and convenient, has high test efficiency, and saves time and human resources.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic circuit diagram of a first embodiment of a relay testing tool of the present invention;
fig. 2 is a schematic circuit diagram of a second embodiment of a relay testing tool according to the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, in a first embodiment of a relay testing tool of the present invention, a toggle switch 30 and a power switch 20 connected to a relay 10, a power terminal 40 connected to the power switch 20 and the relay 10 for connecting an external power source, a first measuring terminal 50 connected to a common pin of the toggle switch 30, and a second measuring terminal 60 connected to the relay 10, wherein the relay 10 is connected to a first position pin and a second position pin of the toggle switch 30, respectively; the toggle switch 30 is used for switching the first measurement terminal 50 and the second measurement terminal 60 to be conducted when the relay 10 is powered on or powered off. Specifically, the power terminal 40 is used for connecting an external power supply and supplying power to a coil of the relay, wherein the power switch 20 is used for cutting off the external power supply and supplying power to the coil of the relay or conducting the external power supply and supplying power to the coil of the relay, the working states of the relay 10 are two, when the coil of the relay is electrified, the contact of the relay is in one working state, when the coil of the relay is not electrified, the contact of the relay can be switched to another working state from the above working state, the toggle switch 30 also comprises two working states, when the common pin of the relay is in different working states, the common pin of the toggle switch forms a conducting relation with the first position pin or the second position pin respectively, at the moment, the conducting pin of the toggle switch 30 can be switched, the working state of the contact of the relay is matched, the first measuring terminal 50 and the second measuring terminal 60 form a conducting relation, and therefore, the first measuring terminal 50 and the second measuring terminal 60 are connected with a And the resistance value and other electrical parameters of the point in the corresponding working state. It will be appreciated that the test tool is provided on a PCB, and connections between the various components thereof may be made via PCB traces.
Optionally, the second measurement terminal 60 is connected to a contact common pin of the relay, a first position pin of the toggle switch 30 is connected to a contact normally open pin of the relay, and a second position pin of the toggle switch 30 is connected to a contact normally closed pin of the relay. It is specific, the contact public pin of relay is connected through second measuring terminal 60, toggle switch 30's first position pin corresponds the contact normally open pin of connecting the relay, toggle switch 30's second position pin corresponds the contact normally closed pin of connecting the relay, thus, when the coil of relay is the power-off state, and the position of switching toggle switch 30 switches on for second position pin and its public pin, can be with electrical parameters such as the resistance of test relay's normally closed contact this moment, the coil of switching relay through switch 20 is the power-on state, former normally closed contact switches over to off-state, former normally open contact switches over to on-state, the position of switching toggle switch 30 this moment switches on for first position pin and its public pin, can test electrical parameters such as resistance after former normally open contact is closed this moment.
Optionally, as shown in fig. 2, the utility model discloses a relay 10 test tool still includes light emitting diode D1, and light emitting diode D1's positive pole is connected with the first end of the coil of relay, and light emitting diode D1's negative pole is connected with the second end of the coil of relay through resistance R1. Specifically, the light emitting diode D1 is connected in parallel with the coil of the relay, so that when the coil of the relay is not energized and no current flows, the light emitting diode D1 is in an off state, and when the power switch 20 controls the coil of the relay to be energized, the light emitting diode D1 is also energized to emit light and be in an on state. Therefore, the coil of the relay can be in a power-off state or a power-on state according to the off state or the on state of the light-emitting diode D1, and the excitation state of the relay 10 can be realized according to the light-emitting diode D1. The light emitting diode is a 5mm LED, and the resistor R1 connected with the cathode of the light emitting diode can be a color ring resistor of 3K omega.
Optionally, the power supply terminals 40 include a first power supply terminal and a second power supply terminal; the power switch 20 includes a three-pin two-stage rocker switch SW2, a third pin of the three-pin two-stage rocker switch SW2 is connected to a first power terminal, a second pin of the three-pin two-stage rocker switch SW2 is connected to a first end of a coil of the relay, and a second power terminal 40 is connected to a second end of the coil of the relay. Specifically, the power terminals 40 include a first power terminal and a second power terminal respectively connected to the positive and negative electrodes of the power supply, the external power supply may be a 48V power supply, the positive electrode of the 48V power supply is connected to the first power terminal, and the negative electrode of the 48V power supply is connected to the second power terminal. The power switch 20 is a three-pin two-stage rocker switch SW2, wherein the positive pole of the 48V power supply is connected with the third pin of the switch SW2 through the first power terminal TP1, and the positive pole of the 48V power supply can be finally connected with the first end of the coil of the relay through the switch SW2 when the third pin is conducted with the second pin thereof, the negative pole of the 48V power supply is connected with the second end of the coil of the relay through the second power terminal TP2, so as to form a power supply circuit for supplying power to the coil of the relay, and when the third pin of the switch SW2 is disconnected with the second pin thereof, the disconnection of the power supply to the coil of the relay is realized.
Further, based on the above, the power switch 20 may employ a three-pin two-position rocker SW2 model of MTS-102-F1-TO-12 MM.
Optionally, the relay 10 includes a multi-contact relay, the toggle switch 30 includes a plurality of sets of toggle switches, the first measurement terminal 50 includes a plurality of first measurement terminals XR1, XR2, XR3, XR4 respectively connected to common pins of the plurality of sets of toggle switches, and the second measurement terminal 60 includes a plurality of second measurement terminals COM1, COM2, COM3, COM4 respectively connected to common pins of a plurality of contacts of the multi-contact relay. Specifically, the relay 10 of test can be the multicontact relay, corresponding toggle switch 30 is the multiunit toggle switch, the first measuring terminal of being connected with toggle switch 30's public pin includes a plurality of first measuring terminal of being connected with a plurality of public pins of multiunit toggle switch, the second measuring terminal of being connected with relay's contact public pin includes a plurality of second measuring terminal of being connected with multicontact relay's a plurality of contact public pin, a plurality of first position pins and a plurality of second position pins of multiunit toggle switch and multicontact relay's a plurality of contacts wherein include the corresponding connection of a plurality of normally open contacts and a plurality of normally closed contacts, each group contact of multicontact relay corresponds with each group toggle switch of multiunit toggle switch promptly.
Optionally, on the basis of the above, the corresponding connection relationship between the multi-contact relay and the multiple groups of toggle switches is illustrated, the multi-contact relay is a TEC relay, the multiple groups of toggle switches are integrated second-gear double-row twelve-pin toggle switches SW1, the multiple first measurement terminals include four first measurement terminals connected to the second pin, the fifth pin, the eighth pin and the eleventh pin of the second-gear double-row twelve-pin toggle switch SW1, and the multiple second measurement terminals include four second measurement terminals connected to the first contact common pin, the second contact common pin, the third contact common pin and the fourth contact common pin of the TEC relay respectively; a first pin, a fourth pin, a seventh pin and a second pin of a second-gear double-row twelve-pin toggle switch SW1 are respectively and correspondingly connected with a first contact normally open pin, a second contact normally open pin, a third contact normally open pin and a fourth contact normally open pin of the TEC relay; and a third pin, a sixth pin, a ninth pin and a twelfth pin of the second-gear double-row twelve-pin toggle switch SW1 are respectively and correspondingly connected with a first contact normally closed pin, a second contact normally closed pin, a third contact normally closed pin and a fourth contact normally closed pin of the TEC relay. It can be seen that, taking the first group of switches of toggle switch SW1 as an example, i.e. corresponding to the first pin, the second pin and the third pin, the common terminal is the second pin connected to the first test terminal XR1, the first position pin is the first pin connected to the normally open end contact of the first pair of pins of the relay, and the second position pin is the third pin connected to the normally open end contact of the first pair of pins of the relay. When the toggle switch enables the first pin and the second pin to be conducted, the normally open contact resistance value of the first pair of pins of the relay is measured between the first test terminal XR1 and the second test terminal COM1, when the third pin and the second pin are conducted through the toggle switch, the normally closed contact resistance value of the first pair of pins of the relay 10 is measured between the first test terminal XR1 and the second test terminal COM1, and the contacts of the other groups of switches and the relay 10 are the same. When the relay 10 is of another type, for example, when the number of contacts of the relay increases or decreases, the number of groups of the corresponding toggle switches 30 can be adjusted accordingly, which can form a one-to-one correspondence relationship as required.
Further, on the basis of the above, the model of the two-gear double-row twelve-foot toggle switch SW1 is SS-42H 03. In other embodiments, the type of the toggle switch SW1 may be selected as desired.
Optionally, the power supply terminal 40, the first measurement terminal 50 and the second measurement terminal 60 are M4 × 36 terminals. It will be appreciated that for ease of wiring, the power supply terminal 40, the first measurement terminal 50 and the second measurement terminal 60 may each be an M4 x 36 terminal having a length of approximately 36mm, which may be a jack, into which an external power connection or a test instrument connection may be inserted through a corresponding plug-in connector to facilitate wiring during testing.
Optionally, the utility model discloses a relay test tool still includes the installation base CON1 with relay 10 demountable installation, and relay 10 corresponds with switch 20, toggle switch 30, first measuring terminal 50 and second measuring terminal 60 through installation base CON1 and is connected. Specifically, the installation base CON1 with relay 10 demountable installation is set up, and installation base CON1 welds on the PCB promptly, when testing relay 10, only need to install relay 10 can, test at every turn only need change relay 10 install can, simple swift. The connections between the above-described components and the relay 10 can be made through pins corresponding to the mounting base CON1, and when the relay 10 is mounted on the mounting base CON1, the connections can be made with the corresponding pins of the relay 10. It will be appreciated that the mounting base may be directly adapted to the base of an HH52P type relay.
Referring to fig. 2, a testing process of the TEC relay test is described, when the TEC relay is inserted into the mounting base CON1, the toggle switch 30 is kept at the left position, the normally closed contact resistances of the first pair of contacts of the relay 10 can be measured by connecting a testing device such as a multimeter to the first measurement terminal XR1 and the second measurement terminal COM1, the normally closed contact resistances of the second pair of contacts 2, 3 and 4 of the relay can be measured by correspondingly connecting the first measurement terminal XR2, XR3 and XR4 and the second measurement terminal COM2, COM3 and COM4, the power switch 20 is toggled to the power-on position, the light emitting diode D1 is turned on, the relay is excited by obtaining positive electricity, the toggle switch 30 is adjusted to the right position, the testing device such as a multimeter is connected to the first measurement terminal XR1 and the second measurement terminal COM1, the normally open contact resistances of the first pair of the relay can be measured by correspondingly connecting the first measurement terminal XR2 and the normally open contact resistances of the second, The XR3 and XR4 and the second measurement terminals COM2, COM3 and COM4 measure the resistance values of normally open contacts of the 2 nd, 3 rd and 4 th pairs of contacts of the relay respectively.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. A relay testing tool, comprising: the device comprises a toggle switch and a power switch which are connected with a relay, a power terminal which is connected with the power switch and the relay and is used for connecting an external power supply, a first measuring terminal which is connected with a common pin of the toggle switch, and a second measuring terminal which is connected with the relay, wherein the relay is respectively connected with a first position pin and a second position pin of the toggle switch;
the toggle switch is used for switching the first measuring terminal to be conducted with the second measuring terminal when the relay is powered on or powered off.
2. The relay testing tool of claim 1, wherein the second measurement terminal is connected to a contact common pin of the relay, wherein a first position pin of the toggle switch is connected to a contact normally open pin of the relay, and wherein a second position pin of the toggle switch is connected to a contact normally closed pin of the relay.
3. The relay testing tool of claim 1, further comprising a light emitting diode D1, wherein an anode of the light emitting diode D1 is connected to a first end of the coil of the relay, and a cathode of the light emitting diode D1 is connected to a second end of the coil of the relay via a resistor R1.
4. The relay testing tool of claim 1, wherein the power terminals include a first power terminal and a second power terminal; the power switch comprises a three-pin two-gear rocker switch SW2, a third pin of the three-pin two-gear rocker switch SW2 is connected with the first power terminal, a second pin of the three-pin two-gear rocker switch SW2 is connected with a first end of a coil of the relay, and a second power terminal is connected with a second end of the coil of the relay.
5. The relay testing tool of claim 4, wherein the three-prong two-position rocker switch SW2 is MTS-102-F1-TO-12 MM.
6. The relay testing tool of claim 1, wherein the relay comprises a multi-contact relay, wherein the toggle switch comprises a plurality of sets of toggle switches, wherein the first measurement terminal comprises a plurality of first measurement terminals respectively connected to a common pin of the plurality of sets of toggle switches, and wherein the second measurement terminal comprises a plurality of second measurement terminals respectively connected to a plurality of contact common pins of the multi-contact relay.
7. The relay testing tool of claim 6, wherein the multi-contact relay is a TEC relay, the plurality of sets of toggle switches are integrated two-shift two-row twelve-pin toggle switches SW1, the plurality of first measurement terminals include four first measurement terminals respectively connected to the second, fifth, eighth and eleventh pins of the two-shift two-row twelve-pin toggle switch SW1, the plurality of second measurement terminals include four second measurement terminals respectively connected to the first, second, third and fourth contact common pins of the TEC relay; a first pin, a fourth pin, a seventh pin and a second pin of the second-gear double-row twelve-pin toggle switch SW1 are respectively and correspondingly connected with a first contact normally open pin, a second contact normally open pin, a third contact normally open pin and a fourth contact normally open pin of the TEC relay; and a third pin, a sixth pin, a ninth pin and a twelfth pin of the second-gear double-row twelve-pin toggle switch SW1 are respectively and correspondingly connected with a first contact normally closed pin, a second contact normally closed pin, a third contact normally closed pin and a fourth contact normally closed pin of the TEC relay.
8. The relay testing tool of claim 7, wherein the two-speed two-row twelve-prong toggle switch SW1 is model SS-42H 03.
9. The relay testing tool of claim 1, wherein the power terminal, the first measurement terminal, and the second measurement terminal are M4 x 36 terminals.
10. The relay testing tool according to any one of claims 1 to 9, comprising a mounting base CON1 detachably mounted with the relay, wherein the relay is correspondingly connected with the power switch, the toggle switch, the first measuring terminal and the second measuring terminal through the mounting base CON 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415881.1U CN210072010U (en) | 2019-03-28 | 2019-03-28 | Relay testing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415881.1U CN210072010U (en) | 2019-03-28 | 2019-03-28 | Relay testing tool |
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| CN210072010U true CN210072010U (en) | 2020-02-14 |
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| CN201920415881.1U Active CN210072010U (en) | 2019-03-28 | 2019-03-28 | Relay testing tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111381102A (en) * | 2020-04-16 | 2020-07-07 | 上海沪工汽车电器有限公司 | Vehicle-mounted relay terminal method resistance measurement tool |
| CN114142951A (en) * | 2021-12-01 | 2022-03-04 | 北京北广科技股份有限公司 | Network relay control checking device and method for antenna tuner |
-
2019
- 2019-03-28 CN CN201920415881.1U patent/CN210072010U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111381102A (en) * | 2020-04-16 | 2020-07-07 | 上海沪工汽车电器有限公司 | Vehicle-mounted relay terminal method resistance measurement tool |
| CN111381102B (en) * | 2020-04-16 | 2022-05-27 | 上海沪工汽车电器有限公司 | Vehicle-mounted relay terminal method resistance measurement tool |
| CN114142951A (en) * | 2021-12-01 | 2022-03-04 | 北京北广科技股份有限公司 | Network relay control checking device and method for antenna tuner |
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