CN211206724U - Relay tester - Google Patents
Relay tester Download PDFInfo
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- CN211206724U CN211206724U CN201922239196.0U CN201922239196U CN211206724U CN 211206724 U CN211206724 U CN 211206724U CN 201922239196 U CN201922239196 U CN 201922239196U CN 211206724 U CN211206724 U CN 211206724U
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Abstract
The utility model provides a relay tester relates to relay test technical field. The utility model discloses a casing, the circuit board of encapsulation in the casing, variable voltage DC-DC converter on the circuit board is connected with the power, voltage signal acquisition circuit is connected with variable voltage DC-DC converter both ends, voltage signal acquisition circuit's output is connected with the input of controller, a plurality of switch indicating circuit's one end is connected with variable voltage DC-DC converter, switch indicating circuit's the other end is used for being connected with the relay that awaits measuring, the one end that detects the pilot lamp is connected with the relay that awaits measuring, the other end that detects the pilot lamp is connected with current sensor, current sensor's output is connected with the input of controller, the output and the display screen of controller are connected. The utility model discloses have the detection of relay voltage and current performance, rational in infrastructure, small, portable, convenient to use, easily realization.
Description
Technical Field
The utility model belongs to the technical field of relay test technique and specifically relates to a relay tester is related to.
Background
A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. Relays have an interactive relationship between a control system (also known as an input loop) and a controlled system (also known as an output loop). It is commonly used in automated control circuits, which are actually a "recloser" that uses low current to control high current operation. The circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like. Due to the defects of a relay coil and the like, the fault modes that the contact cannot be attracted under the voltage and current of the technical requirements and the like exist
For a vehicle with a relay assembled in an automobile electrical system, during assembly, due to the fact that no special detection equipment exists, the relay cannot be detected and then loaded, and the risk of loading a fault part exists; when the electrical system of the vehicle breaks down, the faults of a circuit, a relay and electrical equipment cannot be directly judged, the faults can only be judged by a one-by-one checking method, and the relay cannot judge whether the faults exist from the appearance alone, and needs to be disassembled or detected by a professional detection mechanism, so that the manufacturing and maintenance cost is increased; meanwhile, due to the influence of the assembly space, the troubleshooting process is time-consuming and labor-consuming, the working efficiency is reduced, and the working strength is increased.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a relay tester, which increases the detection of the voltage and current performance of the relay, solves the defects of the existing universal meter tool detection method, improves the production efficiency and reduces the manufacturing and maintenance cost; furthermore, the utility model relates to a rational in infrastructure, small, portable, convenient to use, easily realization.
In order to solve the technical problem, the utility model provides a technical scheme lies in:
the utility model provides a relay tester, including the casing, encapsulate the circuit board in the casing, be equipped with power, controller, display screen, variable voltage DC-DC converter, voltage signal acquisition circuit, current sensor, switch indicating circuit, detection pilot lamp on the circuit board, the power is controller, display screen, variable voltage DC-DC converter, voltage signal acquisition circuit, current sensor power supply respectively; the variable voltage DC-DC converter is connected with a power supply, the voltage signal acquisition circuit is connected with two ends of the variable voltage DC-DC converter, the output of the voltage signal acquisition circuit is connected with the input end of the controller, one end of the switch indication circuits is connected with the variable voltage DC-DC converter, the other end of the switch indication circuits is used for being connected with a relay to be detected, one end of the detection indication lamp is connected with the relay to be detected, the other end of the detection indication lamp is connected with the current sensor, the output end of the current sensor is connected with the input end of the controller, and the output end of the controller is connected with the display screen.
Further, the voltage signal acquisition circuit comprises a resistor R1 and a resistor R2, one end of the resistor R1 is connected with the anode of the variable voltage DC-DC converter, one end of the resistor R2 is connected with the cathode of the variable voltage DC-DC converter, and the other end of the resistor R1 and the other end of the resistor R2 are both connected with the input end of the controller.
Further, the resistance of the resistor R1 is 10K Ω, and the resistance of the resistor R2 is 1K Ω.
Further, the switch indication circuit comprises a detection switch and a switch indicator lamp.
Further, the current sensor employs an ACS712 chip.
Furthermore, the controller adopts a singlechip.
Further, the intelligent control system also comprises a communication module, and the communication module is connected with the controller.
Technical scheme more than combining, the utility model discloses the beneficial effect who reaches lies in:
relay tester, be provided with controller, display screen, variable voltage DC-DC converter, voltage signal acquisition circuit, current sensor, detection switch, detection pilot lamp, simulated the actual operating condition of relay, more audio-visual operating voltage and the current characteristic that detects relay, applicable relay in multiple model detects, easy operation, convenience, accuracy easily realize moreover.
Drawings
For a clear explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a circuit diagram provided in an embodiment of the present invention.
In the figure: 1. a controller; 2. a display screen; 3. a power source; 4. a variable voltage DC-DC converter; 5. a detection switch; 6. switching on and off an indicator light; 7. detecting an indicator light; 8. a current sensor; 9. a relay.
Detailed Description
The objects, aspects and advantages of the present invention will become apparent from the following detailed description, which, when taken in conjunction with the drawings, illustrate by way of example only, but are not intended to limit the invention. 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.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic circuit diagram provided in this embodiment.
As shown in fig. 1, the embodiment provides a circuit board including a housing and a circuit board enclosed in the housing, wherein a power supply 3, a controller 1, a display screen 2, a variable voltage DC-DC converter 4, a voltage signal acquisition circuit, a current sensor 8, a switch indication circuit, and a detection indicator light 7 are arranged on the circuit board, and the power supply 3 supplies power to the controller 1, the display screen 2, the variable voltage DC-DC converter 4, the voltage signal acquisition circuit, and the current sensor 8, respectively; the variable voltage DC-DC converter 4 is connected with the power supply 3, the voltage signal acquisition circuit is connected with two ends of the variable voltage DC-DC converter 4, the output of the voltage signal acquisition circuit is connected with the input end of the controller 1, one end of a plurality of switch indicating circuits is connected with the variable voltage DC-DC converter 4, in the embodiment, 4 switch indicating circuits are adopted, the other end shell of each switch indicating circuit is used for being connected with a relay 9 to be tested, each switch indicating circuit comprises a detection switch 5 and a switch indicating lamp 6 which are mutually connected, the switch indicating lamp 6 is used for displaying whether the detection switch 5 works or not, one end of the detection indicating lamp 7 is connected with the relay 9 to be tested, the other end of the detection indicating lamp 7 is connected with the current sensor 8, the output end of the current sensor 8 is connected with the input end of the controller 1, and the output end of the controller 1 is connected with the display, the controller 1 adopts a singlechip, and the power supply 3 adopts a 60V direct current power supply 3.
The voltage signal acquisition circuit comprises a resistor R1 and a resistor R2, one end of the resistor R1 is connected with the anode of the variable voltage DC-DC converter 4, one end of the resistor R2 is connected with the cathode of the variable voltage DC-DC converter 4, the other end of the resistor R1 and the other end of the resistor R2 are connected with the input end of the controller 1, the resistance value of the resistor R1 is 10K omega, and the resistance value of the resistor R2 is 1K omega. The voltage signal acquisition circuit is used for acquiring the voltage supplied by the variable voltage DC-DC converter 4 to the relay 9 to be tested.
The current sensor 8 adopts an ACS712 chip which is a current detection special chip based on the Hall sensing principle and is used for collecting current signals, transmitting the current signals to the controller 1 and displaying the current signals on the display screen 2.
On the basis of the above embodiment, as preferred, this tester still includes communication module, and communication module is connected with controller 1, and communication module can adopt the WIFI module, and the WIFI module is used for connecting cell-phone or computer to storage data and relay 9 that have detected.
When the tester is used, corresponding sockets are selected according to relays 9 with different specifications, proper voltage is adjusted by rotating knobs on the variable voltage DC-DC converter 4, the relays 9 to be tested are firmly inserted, the detection switches 5 on corresponding switch indicating circuits are pressed, if the detection indicating lamps 7 are lightened, the detection switches 5 are loosened, the corresponding detection indicating lamps 7 are extinguished, and then the relays 9 have normal functions, and the current flowing through the relays 9 can be known by observing the current displayed on the display screen 2; if the corresponding detection switch 5 is pressed, the detection indicator lamp 7 cannot be lightened or the detection indicator lamp 7 cannot be extinguished when the test switch is released, the relay 9 has a fault.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. A relay (9) tester, characterized in that: the power supply (3) respectively supplies power for the controller (1), the display screen (2), the variable voltage DC-DC converter (4), the voltage signal acquisition circuit, the current sensor (8), the switch indicating circuit and the detection indicating lamp (7); the variable voltage DC-DC converter (4) is connected with the power supply (3), the voltage signal acquisition circuit is connected with two ends of the variable voltage DC-DC converter (4), the output of the voltage signal acquisition circuit is connected with the input end of the controller (1), one ends of the switch indicating circuits are connected with the variable voltage DC-DC converter (4), the other ends of the switch indicating circuits are used for being connected with a relay (9) to be detected, one end of the detection indicating lamp (7) is connected with the relay (9) to be detected, the other end of the detection indicating lamp (7) is connected with the current sensor (8), the output end of the current sensor (8) is connected with the input end of the controller (1), and the output end of the controller (1) is connected with the display screen (2).
2. The relay (9) tester as claimed in claim 1, characterized in that: the voltage signal acquisition circuit comprises a resistor R1 and a resistor R2, one end of the resistor R1 is connected with the anode of the variable voltage DC-DC converter (4), one end of the resistor R2 is connected with the cathode of the variable voltage DC-DC converter (4), and the other end of the resistor R1 and the other end of the resistor R2 are connected with the input end of the controller (1).
3. The relay (9) tester as claimed in claim 2, characterized in that: the resistance of the resistor R1 is 10K omega, and the resistance of the resistor R2 is 1K omega.
4. The relay (9) tester as claimed in claim 3, characterized in that: the switch indicating circuit comprises a detection switch (5) and a switch indicating lamp (6).
5. Relay (9) tester as claimed in claim 4, characterized in that: the current sensor (8) employs an ACS712 chip.
6. Relay (9) tester as claimed in claim 5, characterized in that: the controller (1) adopts a singlechip.
7. The relay (9) tester as claimed in claim 6, characterized in that: the intelligent control system also comprises a communication module, and the communication module is connected with the controller (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922239196.0U CN211206724U (en) | 2019-12-14 | 2019-12-14 | Relay tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922239196.0U CN211206724U (en) | 2019-12-14 | 2019-12-14 | Relay tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211206724U true CN211206724U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922239196.0U Active CN211206724U (en) | 2019-12-14 | 2019-12-14 | Relay tester |
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| Country | Link |
|---|---|
| CN (1) | CN211206724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504460A (en) * | 2021-08-04 | 2021-10-15 | 南京创维平面显示科技有限公司 | Circuit board detection device and circuit board detection method |
| CN114089173A (en) * | 2021-10-11 | 2022-02-25 | 广西电网有限责任公司玉林供电局 | Novel tester for starting power of three-phase inconsistent outlet relay of circuit breaker |
-
2019
- 2019-12-14 CN CN201922239196.0U patent/CN211206724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504460A (en) * | 2021-08-04 | 2021-10-15 | 南京创维平面显示科技有限公司 | Circuit board detection device and circuit board detection method |
| CN114089173A (en) * | 2021-10-11 | 2022-02-25 | 广西电网有限责任公司玉林供电局 | Novel tester for starting power of three-phase inconsistent outlet relay of circuit breaker |
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