CN217689025U

CN217689025U - Circuit board clamp for verifying starting performance

Info

Publication number: CN217689025U
Application number: CN202121254592.1U
Authority: CN
Inventors: 陈晨
Original assignee: Taicang T&W Electronics Co Ltd
Current assignee: Taicang T&W Electronics Co Ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-10-28
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a verify circuit board anchor clamps of start-up performance, including the PCB board, be equipped with power input on the PCB board, triode Q1, triode Q2, power output end, adjustable electric capacity C1, adjustable electric capacity C2, adjustable electric capacity C3 and adjustable electric capacity C4, triode Q1's projecting pole links to each other with power input end, triode Q1's base and external control circuit are connected, triode Q1's collecting electrode links to each other with power output end, adjustable electric capacity C1, adjustable electric capacity C2, adjustable electric capacity C3 and adjustable electric capacity C4 connect between triode Q1's collecting electrode and power output end with one end after parallelly connected, other end ground connection, triode Q2's projecting pole links to each other with power input end, triode Q2's base passes through the second control line and is connected with external control circuit, triode Q2's collecting electrode links to each other with power output end. The starting performance of the equipment to be tested is verified by the power supply under the states of different capacitive loads and no capacitive load, so that the method is easy to realize, low in cost and convenient to operate.

Description

Circuit board clamp for verifying starting performance

Technical Field

The utility model relates to a verify circuit board anchor clamps of startability. The method is used for verifying whether the device to be tested can be started or not under different capacitive load and non-capacitive load states and whether the device to be tested can work normally or not.

Background

In order to ensure that the equipment can work normally, the equipment needs to be subjected to startup verification under different environments, such as the startup capability under extreme conditions of high temperature, low temperature and the like, and the startup verification matched with different power adapters, while the normal verification cannot be subjected to the extreme verification, the thinking needs to be changed, the abnormal startup caused under the extreme environment is replaced by a certain mode, and the power receiving equipment is verified under the states of different capacitive loads and non-capacitive loads through the power supply, so that whether the equipment can be started or not is verified.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of above-mentioned prior art, provide a verify circuit board anchor clamps of start-up performance, under the state of different capacitive loads and non-capacitive load, verify the start-up performance of the equipment to be tested, with low costs, convenient operation through the power.

In order to solve the above problems, the utility model adopts the following technical proposal:

the utility model provides a verify circuit board anchor clamps of start-up performance, includes the PCB board, be equipped with power input end, triode Q1, triode Q2, power output end, adjustable electric capacity C1, adjustable electric capacity C2, adjustable electric capacity C3 and adjustable electric capacity C4 on the PCB board, triode Q1's projecting pole links to each other with power input end, and triode Q1's base is connected with external control circuit through first control line, and triode Q1's collecting electrode links to each other with power output end, adjustable electric capacity C1, adjustable electric capacity C2, adjustable electric capacity C3 and adjustable electric capacity C4 connect in parallel after one end is connected between triode Q1's collecting electrode and power output end, other end ground connection, triode Q2's projecting pole links to each other with power input end, and triode Q2's base is connected with external control circuit through the second control line, and triode Q2's collecting electrode links to each other with power output end.

The further technical scheme is that the power supply input end and the power supply output end are DC JACK female head seats.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model discloses a circuit board clamp passes through the power under the state of different capacitive loads and non-capacitive load, verifies the startability of the equipment to be tested, realizes getting up easily, with low costs, convenient operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a PCB board; 2. a power supply input terminal; 3. a power supply output terminal; 4. AC 220V to DC 54V power supply; 5. a device to be tested.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, a circuit board fixture for verifying start-up performance is disclosed, which is used for verifying whether a device to be tested 5 can be started up and normally work in a state that a power supply has no capacitive load and capacitive load, and includes a PCB board 1, wherein the PCB board 1 is provided with a power input end 2, a triode Q1, a triode Q2, a power output end 3, an adjustable capacitor C1, an adjustable capacitor C2, an adjustable capacitor C3 and an adjustable capacitor C4, an emitter of the triode Q1 is connected with the power input end 2, a base of the triode Q1 is connected with an external control circuit through a first control line, a collector of the triode Q1 is connected with the power output end 3, one end of the adjustable capacitor C1, the adjustable capacitor C2, the adjustable capacitor C3 and the adjustable capacitor C4 is connected in parallel, between the collector of the triode Q1 and the power output end 3, the other end of the adjustable capacitor C3 is grounded, the emitter of the triode Q2 is connected with the power input end 2, the base of the triode Q2 is connected with the external control circuit through a second control line, and the collector of the triode Q2 is connected with the power output end 3.

The power input end 2 and the power output end 3 are DC JACK female sockets.

The working principle is as follows: 1. the power input end 2 is connected with an AC 220V-to-DC 54V power supply 4 through a cable, and the AC 220V-to-DC 54V power supply 4 is used for providing a stable power supply voltage of 54V. 2. The circuit board clamp firstly inputs 54V voltage of an AC 220V-DC 54V power supply 4 through a power supply input end 2, then power is respectively supplied through a triode Q1 and a triode Q2, when a control signal control A transmitted by a first control line is high level and a control signal control B transmitted by a second control line is low level, the triode Q1 is conducted, at the moment, the 54V voltage passes through four adjustable capacitors C1, C2, C3 and C4 and is output to a power supply input end of a device to be tested 5 through a power supply output end 3, and starting verification is carried out, namely starting function verification is carried out, the adjustable capacitors C1, C2, C3 and C4 are used as capacitive loads, and whether the device to be tested 5 can be started and can normally work under the condition that the power supply is in different capacitive loads can be verified through adjusting the capacitance values of the adjustable capacitors C1, C2, C3 and C4. When the control signal control a transmitted by the first control line is at a low level and the control signal control b transmitted by the second control line is at a high level, Q2 is turned on, and at this time, the starting capability of the device to be tested 5 with the 54V power supply under the condition of no capacitive load, namely the starting function verification, is verified. 3. The device to be tested 5 is a 54V power supply powered device, and verification of the start function in the state of the non-capacitive load and the capacitive load is performed as the load.

When the circuit board clamp is used, firstly, 54V voltage of an AC 220V to DC 54V power supply 4 is input through a power supply input end 2, then power is respectively supplied through triodes Q1 and Q2, when a control signal controlA transmitted by a first control line is in a high level and a control signal controlB transmitted by a second control line is in a low level, Q1 is conducted, at the moment, the 54V power supply passes through four capacitors of adjustable capacitors C1, C2, C3 and C4 and is output to a power supply input end of a device to be tested 5 through a power supply output end 3 to carry out start verification, the adjustable capacitors C1, C2, C3 and C4 are used as capacitive loads, whether the device to be tested can be started under different capacitive load states can be verified by adjusting the capacitance values of the adjustable capacitors C1, C2, C3 and C4, if the device to be tested can not be started, namely, the device to be tested can not be started under the capacitive load condition is indicated, the power supply with the capacitive load is not adapted, and recording is carried out. When the control signal control a transmitted by the first control line is at a low level and the control signal control b transmitted by the second control line is at a high level, Q2 is turned on, and at this time, the starting capability of the 54V power supply to the device under test 5 under test under the condition of the capacitive load is verified, and at this time, the device can be normally started, that is, the device can be normally started under the condition of the capacitive load, and the starting function is normal. The scheme is simple to realize, the cost is saved, the cost of the clamp plate is only dozens of money, and the operation is convenient.

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 it; 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A circuit board clamp for verifying starting performance comprises a PCB (1) and is characterized in that a power input end (2), a triode Q1, a triode Q2, a power output end (3), an adjustable capacitor C1, an adjustable capacitor C2, an adjustable capacitor C3 and an adjustable capacitor C4 are arranged on the PCB (1), an emitting electrode of the triode Q1 is connected with the power input end (2), a base electrode of the triode Q1 is connected with an external control circuit through a first control line, a collecting electrode of the triode Q1 is connected with the power output end (3), one end of the adjustable capacitor C1, the adjustable capacitor C2, the adjustable capacitor C3 and the adjustable capacitor C4 is connected between the collecting electrode of the triode Q1 and the power output end (3) after being connected in parallel, the other end of the adjustable capacitor C1, the adjustable capacitor C2, the emitting electrode of the triode Q2 is connected with the power input end (2), the base electrode of the triode Q2 is connected with the external control circuit through a second control line, and the collecting electrode of the triode Q2 is connected with the power output end (3).

2. A circuit board fixture for verifying activation performance as set forth in claim 1, wherein: the power supply input end (2) and the power supply output end (3) are DC JACK female head seats.