CN219245731U - Welding plate on-off detection circuit and detection device thereof - Google Patents

Welding plate on-off detection circuit and detection device thereof Download PDF

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Publication number
CN219245731U
CN219245731U CN202223014304.2U CN202223014304U CN219245731U CN 219245731 U CN219245731 U CN 219245731U CN 202223014304 U CN202223014304 U CN 202223014304U CN 219245731 U CN219245731 U CN 219245731U
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China
Prior art keywords
detection
terminal
joint
switch module
welding plate
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孙恩思
王长领
陈海波
刘丹
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
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Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
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Priority to CN202223014304.2U priority Critical patent/CN219245731U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model discloses a welding plate on-off detection circuit and a detection device thereof, wherein one end of an on-off prompt module of the welding plate on-off detection circuit is connected with a power supply, the other end of the on-off prompt module is connected with a current input end of an electrical terminal of a switch module, a current output end of the electrical terminal of the switch module is grounded, one end of a first resistor is connected with a power supply, the other end of the first resistor is connected with an enabling end of the switch module, one end of a second resistor is connected with the enabling end of the switch module, the other end of the second resistor is grounded, the enabling end of the switch module is connected with the first detection terminal, the current output end of the electrical terminal of the switch module serves as a second detection terminal, when two detection points of the welding plate to be detected, which are connected with the first detection terminal and the second detection terminal, the enabling end of the switch module is grounded, and the electrical switch of the switch module is disconnected to form conduction indication information. The utility model makes the recognition of the on-off detection more obvious, and makes the on-off detection of the welding plate more convenient.

Description

Welding plate on-off detection circuit and detection device thereof
Technical Field
The utility model relates to the technical field of circuit detection, in particular to a welding plate on-off detection circuit and a detection device thereof.
Background
At present, when a product works, a circuit is generally used for controlling the product, various components are generally welded on a PCB optical plate at present, in actual operation, the PCB optical plate and the circuit after welding are often required to be conducted and detected, at the moment, a resistance grade or a conduction grade of a universal meter is generally used, when the resistance grade is adjusted, an operator is required to observe a display screen while operating a meter pen, and when the resistance value reaches within a rated range, a detection point is judged to be conducted. When the universal meter is turned on, when the universal meter sounds a beep, the detection point is proved to be on, but because the detection environment of the welding plate is generally noisy, a plurality of inconveniences are brought to the detection of operators, and the detection personnel detects the welding plate by holding two meter pens, so that the detection is inconvenient.
Disclosure of Invention
The utility model provides a welding plate on-off detection circuit and a detection device thereof, which are used for solving the problem that detection is inconvenient because detection results are easy to be influenced by detection environments when a universal meter is used for conducting detection on a welding plate in the background art.
The utility model provides a welding plate on-off detection circuit which comprises an on-off prompt module, a switch module, a first resistor, a second resistor, a first detection terminal and a second detection terminal, wherein one end of the on-off prompt module is connected with a power supply, the other end of the on-off prompt module is connected with a current input end of an electric terminal of the switch module, a current output end of the electric terminal of the switch module is grounded, one end of the first resistor is connected with a power supply, the other end of the first resistor is connected with an enabling end of the switch module, one end of the second resistor is connected with the enabling end of the switch module, the other end of the second resistor is grounded, the enabling end of the switch module is connected with the first detection terminal, the current output end of the electric terminal of the switch module serves as the second detection terminal, when two detection points of the welding plate to be detected, which are connected with the first detection terminal and the second detection terminal, are grounded, the electric switch of the switch module is disconnected, and the on-off prompt module is powered off to form conduction indication information.
Further, the welding plate on-off detection circuit also comprises a switching element, wherein the switching element is used for controlling the on-off of a power supply path of the welding plate on-off detection circuit.
Further, the on-off prompt module comprises an LED lamp and a third resistor, and the LED lamp and the third resistor are connected in series and then connected with a power supply.
Further, the switch module is realized by a triode or a field effect transistor.
In another aspect of the utility model, there is also provided a detection device, including a detection table and a solder board on-off detection circuit as described in any one of the above;
the detection platform comprises a base fixing structure, a bracket structure and a clamp structure, wherein the bracket structure and the clamp structure are arranged on the base fixing structure;
the clamp structure is used for fixing the welding plate to be detected;
the support structure is used for fixing the first detection terminal or the second detection terminal, and when the welding plate is subjected to on-off detection, the detection terminal fixed on the support structure is aligned and connected with one detection point of the welding plate to be detected through the support structure, so that a detection loop is formed by the detection terminal and the detection terminal which is arranged at the other detection point of the welding plate to be detected in a handheld mode.
Further, the base fixing structure comprises a lower base and an upper base, wherein the lower base is fixed on the tabletop, and the upper base can rotate around the central shaft of the lower base.
Further, the clamp structure is a clamp provided with a clamping groove and used for vertically clamping the welding plate to be detected in the clamping groove.
Further, the support structure comprises a first joint, a second joint and a third joint, wherein the first joint is connected to the base, the first joint is rotationally connected with the second joint, the third joint is rotationally connected with the second joint, and the tail end of the third joint is fixedly connected with a first detection terminal or a second detection terminal.
Further, the second joint rotates 360 degrees around the first joint axial direction and rotates 180 degrees around the first joint radial direction; the third joint rotates 180 degrees about the radial direction of the second joint.
Further, the detection terminal which is not fixed on the support structure and other circuit structures in the welding plate on-off detection circuit are integrated, so that the handheld pen is formed.
The utility model provides a welding plate on-off detection circuit and a detection device thereof, wherein the welding plate on-off detection circuit comprises an on-off prompt module, a switch module, a first resistor, a second resistor, a first detection terminal and a second detection terminal, wherein the first detection terminal and the second detection terminal are respectively connected with an enabling end of the switch module and a current output end of an electrical terminal of the switch module, when two detection points of a welding plate to be detected, which are connected with the first detection terminal and the second detection terminal, are conducted, the enabling end of the switch module and the current output end of the electrical terminal of the switch module are short-circuited, and the switch module is disconnected, so that the on-off prompt module connected with the switch module in series is disconnected to send corresponding on indication information. The utility model sets the conduction detection as the on-off prompt module is conducted when the two detection points of the welding plate to be detected, which are connected with the two first detection terminals and the second detection terminals, are not conducted, otherwise, the on-off prompt module is disconnected, so that the identification of the on-off detection is more obvious, and the on-off detection of the welding plate is more convenient by designing a special welding plate on-off detection circuit.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a block diagram of a circuit for detecting on/off of a solder board according to an embodiment of the present utility model;
FIG. 2 is a circuit diagram of a solder board on-off detection circuit according to an embodiment of the present utility model;
FIG. 3 is a schematic structural diagram of a test bench according to an embodiment of the utility model;
the figure indicates:
1. a base fixing structure; 2. a clamp structure; 3. a support structure; 3-1, a first joint; 3-2, a second joint; 3-3, third joint.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
It should be noted that, the solder board refers to a PCB optical board and a circuit board after soldering is completed.
FIG. 1 schematically shows a block diagram of a solder board on-off detection circuit according to an embodiment of the present utility model; fig. 2 schematically shows a circuit diagram of a solder board on-off detection circuit according to an embodiment of the present utility model. As shown in fig. 1 and fig. 2, the welding plate on-off detection circuit provided in this embodiment includes an on-off prompt module, a switch module, a first resistor R1, a second resistor R2, a first detection terminal PIN1 and a second detection terminal PIN2, one end of the on-off prompt module is connected with a power supply, the other end of the on-off prompt module is connected to a current input end of the electrical terminal of the switch module, a current output end of the electrical terminal of the switch module is grounded, one end of the first resistor R1 is connected with a power supply, the other end of the first resistor R1 is connected with an enabling end of the switch module, the other end of the second resistor R2 is grounded, the enabling end of the switch module is connected with the first detection terminal PIN1, a current output end of the electrical terminal of the switch module is used as the second detection terminal PIN2, when two detection points of the to-be-detected welding plate connected with the first detection terminal PIN1 and the second detection terminal PIN2 are connected, the switch can be disconnected to form an on-off prompt message, and the on-off prompt module is formed by the switch.
Further, the welding plate on-off detection circuit of the embodiment of the utility model further comprises a switching element K1, wherein the switching element K1 is used for controlling the on-off of a power supply channel of the welding plate on-off detection circuit. Because the on-off prompt module of the welding plate on-off detection circuit provided by the embodiment of the utility model is in a normally-on state when the welding plate on-off detection circuit is in a non-detection state, in order to avoid the waste of electric energy after the power supply is electrified and the loss of the on-off indication module, the embodiment of the utility model also provides a switch element K1, and the switch element K1 is connected in series on a main branch circuit and is used for controlling the on-off of a power supply channel of the welding plate on-off detection circuit. As shown in fig. 2, in one embodiment of the present utility model, the switching element K1 may be installed between the branch circuit after the first resistor R1 and the on-off prompting module are connected in parallel and the power supply.
Further, the on-off prompt module in the embodiment of the utility model comprises an LED lamp and a third resistor R3, wherein the LED lamp and the third resistor R3 are connected in series and then connected with a power supply. The color of the LED is not particularly limited, the LED lamp is extinguished when the two detected detection points of the welding plate are in a conducting state, and the LED lamp is always on when the two detected points of the welding plate are in a disconnecting state. When detecting the on-off of the welding plate, only the on-off condition of the lamp needs to be concerned, the on-off display is more obvious and visual, and the situation that the buzzer is inconvenient to observe is avoided under a noisy environment.
Further, the switch module of the embodiment of the utility model is implemented by using a triode Q1 and a field effect transistor, and in a specific embodiment of the utility model illustrated in fig. 2, the switch module is implemented by using a triode Q1, wherein a collector electrode of the triode Q1 is used as a current input end of an electrical terminal of the switch module to be connected with an LED lamp, an emission electrode of the triode Q1 is used as a current output end electrode of the electrical terminal of the switch module to be grounded, a base electrode of the triode Q1 is used as an enabling end of the switch module to be connected with a first detection terminal PIN1, and when the first detection terminal PIN1 and the second detection terminal PIN2 are turned on, a voltage difference between the base electrode and an emitter electrode of the triode Q1 is zero, and the triode Q1 is turned off. The switch module is turned off, otherwise, when the first detection terminal PIN1 and the second detection terminal PIN2 are turned off, the electric terminal of the triode Q1 is turned on due to the voltage division effect of the first resistor R1 and the second resistor R2, and the LED is electrified to be in a normally-on state. In actual detection, when two monitoring points of a welded plate to be detected are not conducted, the LEDs are not changed and are in a normally-on state, and only when the two monitoring points are in a conducting state, the LEDs are turned off. The welding plate on-off detection circuit provided by the embodiment of the utility model prompts operators to switch on and off the welding plate through visual LED lamp display, and the display is more visual.
In another embodiment of the present utility model, a detection device is provided, where the detection device includes the welding plate on-off detection circuit and the detection platform of the above embodiment, fig. 3 schematically illustrates a structural schematic diagram of the detection platform of the embodiment of the present utility model, and as can be seen from fig. 3, the detection platform of the embodiment of the present utility model includes a base fixing structure 1, and a support structure 3 and a fixture structure 2 disposed on the base fixing structure 1; the fixture structure 2 is used for fixing a welded plate to be detected; the support structure 3 is used for fixing the first detection terminal PIN1 or the second detection terminal PIN2, and when the welding plate is subjected to on-off detection, the detection terminal fixed on the support structure 3 is aligned and connected with one detection point of the welding plate to be detected through the support structure 3 so as to form a detection loop with the detection terminal which is arranged at the other detection point of the welding plate to be detected in a handheld mode.
Further, the base fixing structure 1 in the detection device according to the embodiment of the utility model includes a lower base and an upper base, wherein the lower base is fixed on a tabletop, and the upper base can rotate around a central axis of the lower base. Because the detection device provided by the embodiment of the utility model needs to detect the two sides of the welding plate when the welding plate is subjected to on-off detection, the lower base is set to be a fixed structure fixed on a desktop, and the upper base is set to be an upper base capable of rotating around the central axis of the base fixed structure 1, so that an operator can easily detect the two sides of the welding plate only by rotating the base, and the operation of the operator is further facilitated.
Further, the clamp structure 2 in the detection device of the embodiment of the utility model is a clamp provided with a clamping groove, and is used for vertically clamping the welding plate to be detected in the clamping groove. In the embodiment of the utility model, the welding plate is vertically clamped in the clamping groove, so that the operation of operators is further facilitated.
Further, the support structure 3 in the detection device according to the embodiment of the present utility model includes a first joint 3-1, a second joint 3-2, and a third joint 3-3, where the first joint 3-1 is connected to the base, the first joint 3-1 is rotationally connected to the second joint 3-2, the third joint 3-3 is rotationally connected to the second joint 3-2, and the end of the third joint 3-3 is used to fixedly connect to a first detection terminal PIN1 or the second detection terminal PIN2.
Further, in one embodiment of the present utility model, the second joint 3-2 rotates 360 degrees around the axial direction of the first joint 3-1 and rotates 180 degrees around the radial direction of the first joint 3-1; the third joint 3-3 is rotated 180 degrees around the radial direction of the second joint 3-2.
In the embodiment of the utility model, the joint guarantee structure is arranged at the joint between the joints of each bracket structure 3, and the relative rotation between the joints can be dragged only when an operator pulls the bracket, so that the bracket keeps the current posture unchanged when no operator pulls. In actual detection operation, after the operator drags a detection point of a welding plate to be detected with a first detection terminal PIN1 or a second detection terminal PIN2 at the tail end of the bracket in a dragging mode, the detection terminal at the position can be fixed at the current position, the operator does not need to occupy two hands to fix the detection terminal at the position additionally, and other operations are conveniently finished by the operator at the same time.
Further, in the detection device of the embodiment of the utility model, the detection terminal which is not fixed on the support structure 3 and other circuit structures in the welding plate on-off detection circuit are integrated to form the handheld stylus. In actual operation, after an operator fixes one detection terminal at one detection point of the welding plate to be detected, the hand-held meter pen is used for contacting the other detection point of the welding plate to be detected, the on-off detection of the welding plate is easily realized, the on-off condition of the detection point can be known only by observing the on-off condition of the LED and the like on the hand-held meter pen, and the detection and identification modes are more convenient for the operator. In addition, the switch element of the welding plate on-off detection circuit in the embodiment of the utility model can be represented as a key arranged on the handheld stylus, and an operator can realize the overall conduction of the welding plate on-off detection circuit by pressing the key.
The utility model provides a welding plate on-off detection circuit and a detection device thereof, wherein the welding plate on-off detection circuit comprises an on-off prompt module, a switch module, a first resistor R1, a second resistor R2, a first detection terminal PIN1 and a second detection terminal PIN2, wherein the first detection terminal PIN1 and the second detection terminal PIN2 are respectively connected with an enabling end of the switch module and a current output end of an electrical terminal of the switch module, when two detection points of the welding plate to be detected, which are connected with the first detection terminal PIN1 and the second detection terminal PIN2, are conducted, the enabling end of the switch module and the current output end of the electrical terminal of the switch module are short-circuited, and the switch module is disconnected, so that the on-off prompt module connected with the switch module in series is disconnected, and corresponding on-state indication information is sent. The utility model sets the on-state detection as the on-state prompting module is conducted when the two detection points of the welded plate to be detected, which are connected by the two first detection terminals PIN1 and the second detection terminals PIN2, are not conducted, otherwise, the on-state prompting module is disconnected, so that the on-state detection is more obvious in recognition, and the special welded plate on-off detection circuit is designed to facilitate the on-off detection of the welded plate.
Those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The utility model provides a welded plate break-make detection circuit, its characterized in that includes break-make suggestion module, switch module, first resistance, second resistance, first detection terminal and second detection terminal, the one end and the power of break-make suggestion module are connected, the other end of break-make suggestion module is connected in the electric terminal's of switch module current input, the electric terminal's of switch module electric terminal electric output ground connection, the one end and the power of first resistance are connected, the other end of first resistance with the enabling end of switch module is connected, the one end of second resistance is connected with the enabling end of switch module, the other end ground connection of second resistance, the enabling end of switch module is connected first detection terminal, the electric terminal's of switch module electric terminal current output is as the second detection terminal, when the first detection terminal with the two detection points of the welded plate that wait to detect that the second detection terminal is connected switch module switch off, the electric switch of switch module disconnection, break-make the suggestion module to form and switch on instruction information.
2. The solder board on-off detection circuit according to claim 1, further comprising a switching element for controlling on or off of a power supply path of the solder board on-off detection circuit.
3. The solder board on-off detection circuit according to claim 1, wherein the on-off prompt module comprises an LED lamp and a third resistor, and the LED lamp and the third resistor are connected in series and then connected with a power supply.
4. The solder board on-off detection circuit according to claim 1, wherein the switch module is implemented with a triode or a field effect transistor.
5. A detection device, characterized by comprising a detection table and a solder board on-off detection circuit according to any one of claims 1-3;
the detection platform comprises a base fixing structure, a bracket structure and a clamp structure, wherein the bracket structure and the clamp structure are arranged on the base fixing structure;
the clamp structure is used for fixing the welding plate to be detected;
the support structure is used for fixing the first detection terminal or the second detection terminal, and when the welding plate is subjected to on-off detection, the detection terminal fixed on the support structure is aligned and connected with one detection point of the welding plate to be detected through the support structure, so that a detection loop is formed by the detection terminal and the detection terminal which is arranged at the other detection point of the welding plate to be detected in a handheld mode.
6. The apparatus according to claim 5, wherein the base fixing structure includes a lower base and an upper base, the lower base being fixed to a table top, the upper base being rotatable about a central axis of the lower base.
7. The inspection apparatus according to claim 5, wherein the clamp structure is a clamp provided with a clamping groove for vertically clamping the board to be inspected in the clamping groove.
8. The test device of claim 5, wherein the support structure comprises a first joint, a second joint, and a third joint, the first joint being coupled to the base, the first joint being rotatably coupled to the second joint, the third joint being fixedly coupled to either the first test terminal or the second test terminal at an end of the third joint.
9. The detection device of claim 8, wherein the second joint rotates 360 degrees about the first joint axial direction and 180 degrees about the first joint radial direction; the third joint rotates 180 degrees about the radial direction of the second joint.
10. The device of claim 5, wherein the detection terminals not secured to the support structure are integrally formed with other circuit structures in the solder plate on-off detection circuit to form a hand held stylus.
CN202223014304.2U 2022-11-11 2022-11-11 Welding plate on-off detection circuit and detection device thereof Active CN219245731U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223014304.2U CN219245731U (en) 2022-11-11 2022-11-11 Welding plate on-off detection circuit and detection device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223014304.2U CN219245731U (en) 2022-11-11 2022-11-11 Welding plate on-off detection circuit and detection device thereof

Publications (1)

Publication Number Publication Date
CN219245731U true CN219245731U (en) 2023-06-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223014304.2U Active CN219245731U (en) 2022-11-11 2022-11-11 Welding plate on-off detection circuit and detection device thereof

Country Status (1)

Country Link
CN (1) CN219245731U (en)

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