CN214895663U - Circuit board test fixture for testing BMS hardware - Google Patents

Abstract

The utility model discloses a circuit board test frock of BMS hardware test usefulness, including casing, fixed orifices and apron, the back mounted of casing has the support frame, the bottom plate is installed at the top of casing, four group's fixed orifices have been seted up at the top of bottom plate, digital ampere meter is installed in the front of casing, digital voltmeter is installed in the front of casing, reversing switch is installed to surface one side of casing. The utility model discloses a reversing switch is installed to the casing, electric telescopic handle and apron, after connecting, press reversing switch, after the reversing switch intercommunication, with forward electric energy conduction to the inside rather than electric connection's electric telescopic handle, electric telescopic handle downwardly extending drives the apron downstream of its bottom installation, under electric telescopic handle's drive, downstream covers the top of bottom plate, prevent that substances such as external environment dust and water from getting into the inside of circuit board, arouse the circuit board and damage.

Description

Circuit board test fixture for testing BMS hardware

Technical Field

The utility model relates to a BMS hardware test technical field specifically is a circuit board test frock of testing usefulness to BMS hardware.

Background

With the continuous development of domestic economy and the gradual progress of science and technology, an automobile is taken as a transportation tool, and becomes one of the main modes of modern travel due to convenience and high speed of the automobile, while with the increase of modern environmental pollution, the development of a new energy automobile becomes one of the mainstream of the development of the modern automobile gradually, and in the manufacturing and composition of the new energy automobile, a BMS system is taken as a system for monitoring the electric energy of an automobile battery, a circuit board of the BMS system is taken as a core component of the BMS system, and the test of the BMS system is an important link for ensuring the driving safety of the automobile.

The circuit board test tool technology for the existing BMS hardware test has the following defects:

1. the circuit board test fixture that current BMS hardware test was used, because of it lacks the automatic part that shelters from, lead to being in the in-process to circuit board output electric energy, can't protect the top of circuit board, and then influence the circuit board security.

2. The circuit board test fixture for testing the existing BMS hardware leads the device to be incapable of adjusting the voltage inside the input circuit board according to the actual condition of the circuit board because the circuit board test fixture lacks an input voltage adjusting component, thereby influencing the application range of the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit board test fixture for BMS hardware test to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a circuit board test fixture to BMS hardware test usefulness, includes casing, fixed orifices and apron, the back mounted of casing has the support frame, the bottom plate is installed at the top of casing, four groups of fixed orifices have been seted up at the top of bottom plate, two sets of joints are installed through the wire in the top of casing, and connect the both sides that are located the bottom plate, digital ampere meter is installed in the front of casing, and digital ampere meter and joint electric connection, digital voltmeter is installed in the front of casing, and digital voltmeter is located one side of digital ampere meter, and digital voltmeter and joint electric connection, change over switch is installed to surface one side of casing.

Preferably, electric telescopic handle is installed to the bottom of support frame, and electric telescopic handle and reversing switch electric connection, the apron is installed to electric telescopic handle's bottom, four groups of gim pegs are installed to the bottom of apron.

Preferably, a first small bulb is installed at the top of the shell and located on one side of the bottom plate, a second small bulb is installed at the top of the shell and located behind the first small bulb, and a third small bulb is installed at the top of the shell and located behind the second small bulb.

Preferably, the other side surface mounting of casing has first switch, and first switch and first little bulb electric connection, the other side surface mounting of casing has the second switch, and the second switch is located the rear of first switch, and second switch and second little bulb electric connection, the other side surface mounting of casing has the third switch, and the third switch is located the rear of second switch, and third switch and third little bulb electric connection.

Preferably, a first transformer is installed inside the housing, and the first transformer is electrically connected with the connector and the first switch respectively.

Preferably, a second transformer is installed inside the housing, the second transformer is located on one side of the first transformer, and the second transformer is electrically connected with the connector and the second switch respectively.

Preferably, a third transformer is installed inside the housing, the third transformer is located on one side of the second transformer, and the third transformer is electrically connected with the connector and the third switch respectively.

Preferably, a pressure sensor is installed inside the fixing hole, and the pressure sensor is electrically connected with the reversing switch.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an install reversing switch, electric telescopic handle and apron, after connecting the power, press reversing switch, after the reversing switch intercommunication, with forward electric energy conduction to the inside rather than electric connection's electric telescopic handle, electric telescopic handle downwardly extending drives the apron downstream of its bottom installation, under electric telescopic handle's drive, downstream covers the top of bottom plate, prevent that substances such as external environment dust and water from getting into the inside of circuit board, arouse the circuit board and damage.

2. The utility model is provided with a first switch, a second switch, a third switch, a first transformer, a second transformer and a third transformer, according to the actual condition of the circuit board, after the first switch is connected by pressing the first switch or pressing the second switch or pressing the third switch, the circuit board, the joint, the first small bulb, the first switch and the first transformer construct a first closed loop, the second switch is connected, after the second switch is connected, the circuit board, the joint, the second small bulb, the second switch and the second transformer construct a second closed loop, after the third switch is connected, the circuit board, the joint, the third small bulb, the third switch and the third transformer construct a third closed loop, after the first transformer is connected and enters the first closed loop, the first transformer reduces the voltage output to the first loop, and adapts to the input voltage of the circuit board to be tested, when the second transformer is connected to enter the second closed loop, the second transformer reduces the voltage output to the second loop to adapt to the input voltage of the circuit board to be tested, and when the third transformer is connected to enter the third closed loop, the third transformer reduces the voltage output to the third loop to adapt to the input voltage of the circuit board to be tested, so that the application range of the device is widened.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the front overall structure of the present invention;

FIG. 3 is a schematic top sectional view of the housing according to the present invention;

fig. 4 is a schematic structural diagram of a bottom plate of the present invention.

In the figure: 1. a housing; 2. a support frame; 3. a base plate; 4. a fixing hole; 5. a joint; 6. a digital ammeter; 7. a digital voltmeter; 8. a reversing switch; 9. an electric telescopic rod; 10. a cover plate; 11. a fixing bolt; 12. a first small bulb; 13. a second small bulb; 14. a third small bulb; 15. a first switch; 16. a second switch; 17. a third switch; 18. a first transformer; 19. a second transformer; 20. a third transformer; 21. a pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1 to 4, the present invention provides an embodiment: a circuit board testing tool for testing BMS hardware comprises a shell 1, fixing holes 4 and a cover plate 10, wherein a supporting frame 2 is installed on the back surface of the shell 1, the shell 1 is provided with fixing points for the supporting frame 2, a bottom plate 3, a connector 5, a digital ammeter 6, a digital voltmeter 7, a reversing switch 8, a first small bulb 12, a second small bulb 13, a third small bulb 14, a first switch 15, a second switch 16, a third switch 17, a first transformer 18, a second transformer 19 and a third transformer 20 which are installed on the outer surface and inside, the supporting frame 2 provides fixing points for an electric telescopic rod 9 installed at the bottom of the supporting frame, the bottom plate 3 is installed at the top of the shell 1, when the circuit board is placed at the top of the supporting frame, the supporting frame provides support for the bottom of the circuit board and simultaneously provides fixing points for the fixing holes 4 installed at the top of the circuit board, four groups of fixing holes 4 are formed at the top of the bottom plate 3, and a containing space is provided for a pressure sensor 21 installed inside the supporting frame, when the fixing bolt 11 is inserted into the fixing bolt, the fixing bolt 11 is fixed, two groups of connectors 5 are arranged on the top of the shell 1 through leads, the connectors 5 are positioned on two sides of the bottom plate 3, when the circuit board is arranged on the top of the bottom plate 3, the connectors 5 are respectively and electrically connected with the circuit board, the digital ammeter 6 is arranged on the front surface of the shell 1, the digital ammeter 6 is electrically connected with the connectors 5, after the device is electrified, the current quantity output by the digital ammeter 6 to the circuit board through the connectors 5 is converted into digital signals to be displayed, a user can conveniently observe the current output by the circuit board, the digital voltmeter 7 is arranged on the front surface of the shell 1, the digital voltmeter 7 is positioned on one side of the digital ammeter 6, the digital voltmeter 7 is electrically connected with the connectors 5, after the device is electrified, the voltage output by the digital voltmeter 7 to the circuit board through the connectors 5 is converted into digital signals to be displayed, the person of facilitating the use observes the voltage of circuit board output, and change over switch 8 is installed to surface one side of casing 1, presses change over switch 8 after connecting the power, and change over switch 8 conducts the inside to electric telescopic handle 9 rather than electric connection with forward electric energy.

Further, an electric telescopic rod 9 is installed at the bottom of the supporting frame 2, and the electric telescopic rod 9 is electrically connected with a reversing switch 8, when the reversing switch 8 conducts forward electric energy to the inside thereof, the electric telescopic rod 9 extends downwards to drive a cover plate 10 installed at the bottom thereof to move downwards, when the reversing switch 8 conducts reverse electric energy to the inside thereof, the electric telescopic rod 9 contracts upwards to drive the cover plate 10 installed at the bottom thereof to move upwards, the cover plate 10 is installed at the bottom of the electric telescopic rod 9, when the cover plate 10 is driven by the electric telescopic rod 9 to move downwards to cover the top of the bottom plate 3, the substances such as dust, water and the like in the external environment are prevented from entering the inside of the circuit board to cause damage of the circuit board, four groups of fixing bolts 11 are installed at the bottom of the cover plate 10, and the circuit board is driven by the cover plate 10 to move downwards to be inserted into the inside of the fixing holes 4 to fix the circuit board, while generating a pressure to the pressure sensor 21 installed inside the fixing hole 4 when the fixing pin 11 moves downward.

Further, a first small bulb 12 is installed on the top of the housing 1, and the first small bulb 12 is located at one side of the base plate 3, when the first switch 15 is turned on, a current is conducted to the inside of the first small bulb 12, so that the first small bulb 12 emits light, when the first small bulb 12 emits light, it indicates that a loop constituted by the circuit board, the connector 5, the first small bulb 12, the first switch 15, and the first transformer 18 has been completed, a second small bulb 13 is installed on the top of the housing 1, and the second small bulb 13 is located behind the first small bulb 12, when the second switch 16 is turned on, a current is conducted to the inside of the second small bulb 13, so that the second small bulb 13 emits light, when the second small bulb 13 emits light, it indicates that a loop constituted by the circuit board, the connector 5, the second small bulb 13, the second switch 16, and the second transformer 19 has been completed, a third small bulb 14 is installed on the top of the housing 1, and the third small bulb 14 is positioned behind the second small bulb 13, when the third switch 17 is connected, the current is conducted to the inside of the third small bulb 14, so that the third small bulb 14 emits light, and when the third small bulb 14 emits light, the circuit is completed by the circuit board, the connector 5, the third small bulb 14, the third switch 17 and the third transformer 20.

Further, a first switch 15 is installed on the outer surface of the other side of the housing 1, the first switch 15 is electrically connected with the first small bulb 12, when current needs to be output to the circuit board, the first switch 15 is connected by pressing the first switch 15 according to the actual situation of the circuit board, the connector 5, the first small bulb 12, the first switch 15 and the first transformer 18 form a first closed loop after the first switch 15 is connected, a second switch 16 is installed on the outer surface of the other side of the housing 1, the second switch 16 is located behind the first switch 15, the second switch 16 is electrically connected with the second small bulb 13, when current needs to be output to the circuit board, the second switch 16 is connected by pressing the second switch 16 according to the actual situation of the circuit board, the connector 5, the second small bulb 13, the second switch 16 and the second transformer 19 form a second closed loop after the second switch 16 is connected, a third switch 17 is mounted on the outer surface of the other side of the shell 1, the third switch 17 is located behind the second switch 16, the third switch 17 is electrically connected with the third small bulb 14, when current needs to be output to the circuit board, the third switch 17 is communicated by pressing the third switch 17 according to the actual situation of the circuit board, and after the third switch 17 is communicated, the circuit board, the connector 5, the third small bulb 14, the third switch 17 and the third transformer 20 construct a third closed loop.

Further, the first transformer 18 is installed inside the housing 1, and the first transformer 18 is electrically connected to the connector 5 and the first switch 15, respectively, and when the first transformer 18 is connected to enter the first closed loop, the first transformer 18 reduces the voltage output to the first loop, so as to adapt to the input voltage of the circuit board to be tested.

Further, a second transformer 19 is installed inside the housing 1, the second transformer 19 is located at one side of the first transformer 18, the second transformer 19 is electrically connected to the connector 5 and the second switch 16, and when the second transformer 19 is connected to enter the second closed loop, the second transformer 19 reduces the voltage output to the second loop to adapt to the input voltage of the circuit board to be tested.

Further, a third transformer 20 is installed inside the housing 1, the third transformer 20 is located on one side of the second transformer 19, the third transformer 20 is electrically connected to the connector 5 and the third switch 17, and when the third transformer 20 is connected to enter a third closed loop, the third transformer 20 reduces the voltage output to the third loop to adapt to the input voltage of the circuit board to be tested.

Further, the inside of fixed orifices 4 is installed with pressure sensor 21, and pressure sensor 21 and reversing switch 8 electric connection, after the gim peg 11 inserts the inside of fixed orifices 4, produce pressure to pressure sensor 21, after pressure sensor 21 felt pressure, make reversing switch 8 break and make electric telescopic handle 9 cut off the power supply, no longer downwardly extending.

The working principle is as follows: firstly, a circuit board is placed on the top of a bottom plate 3, a connector 5 is electrically connected with the circuit board, after a power supply is connected, a reversing switch 8 is pressed, after the reversing switch 8 is communicated, forward electric energy is conducted to the inside of an electric telescopic rod 9 electrically connected with the reversing switch, the electric telescopic rod 9 extends downwards to drive a cover plate 10 arranged at the bottom of the electric telescopic rod to move downwards, when the cover plate 10 is driven by the electric telescopic rod 9, the cover plate moves downwards to cover the top of the bottom plate 3, substances such as dust, water and the like in the external environment are prevented from entering the inside of the circuit board to cause damage of the circuit board, a fixing bolt 11 is driven by the cover plate 10 to move downwards to be inserted into a fixing hole 4 to fix the circuit board, when the fixing bolt 11 moves downwards, pressure is generated on a pressure sensor 21 arranged in the fixing hole 4, and after the pressure sensor 21 senses pressure, the reversing switch 8 is disconnected to cut off the electric telescopic rod 9, after the circuit board is connected, the circuit board, the connector 5, the second small bulb 13, the second switch 16 and the second transformer 19 construct a second closed loop, after the third switch 17 is connected, the circuit board, the connector 5, the third small bulb 14, the third switch 17 and the third transformer 20 construct a third closed loop, after the first transformer 18 is connected into the first closed loop, the first transformer 18 reduces the voltage output into the first loop to adapt to the input voltage of the circuit board to be tested, and after the second transformer 19 is connected into the second closed loop, the second transformer 19 reduces the voltage output to the second loop to adapt to the input voltage of the circuit board to be tested, when the third transformer 20 is connected to enter the third closed loop, the third transformer 20 reduces the voltage output to the third loop to adapt to the input voltage of the circuit board to be tested, the application range of the device is improved, the current quantity output by the digital ammeter 6 to the circuit board through the connector 5 is converted into a digital signal to be displayed, a user can observe the current output by the circuit board conveniently, the voltage output by the digital voltmeter 7 to the circuit board through the connector 5 is converted into a digital signal to be displayed, and the user can observe the voltage output by the circuit board conveniently.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a circuit board test fixture to BMS hardware test usefulness, includes casing (1), fixed orifices (4) and apron (10), its characterized in that: the back mounted of casing (1) has support frame (2), bottom plate (3) are installed at the top of casing (1), four sets of fixed orificess (4) have been seted up at the top of bottom plate (3), two sets of joints (5) are installed through the wire in the top of casing (1), and connect (5) the both sides that are located bottom plate (3), digital ampere meter (6) are installed in the front of casing (1), and digital ampere meter (6) and joint (5) electric connection, digital voltmeter (7) are installed in the front of casing (1), and digital voltmeter (7) are located one side of digital ampere meter (6), and digital voltmeter (7) and joint (5) electric connection, change-over switch (8) are installed to surface one side of casing (1).

2. The circuit board testing tool for testing the BMS hardware according to claim 1, wherein: electric telescopic handle (9) are installed to the bottom of support frame (2), and electric telescopic handle (9) and reversing switch (8) electric connection, apron (10) are installed to the bottom of electric telescopic handle (9), four sets of gim peg (11) are installed to the bottom of apron (10).

3. The circuit board testing tool for testing the BMS hardware according to claim 1, wherein: first small bulb (12) are installed at the top of casing (1), and first small bulb (12) are located one side of bottom plate (3), second small bulb (13) are installed at the top of casing (1), and second small bulb (13) are located the rear of first small bulb (12), third small bulb (14) are installed at the top of casing (1), and third small bulb (14) are located the rear of second small bulb (13).

4. The circuit board testing tool for testing the BMS hardware according to claim 1, wherein: the utility model discloses a lamp bulb, including casing (1), the opposite side surface mounting of casing (1) has first switch (15), and first switch (15) and first little bulb (12) electric connection, the opposite side surface mounting of casing (1) has second switch (16), and second switch (16) are located the rear of first switch (15), and second switch (16) and second little bulb (13) electric connection, the opposite side surface mounting of casing (1) has third switch (17), and third switch (17) are located the rear of second switch (16), and third switch (17) and third little bulb (14) electric connection.

5. The circuit board testing tool for testing the BMS hardware according to claim 1, wherein: the first transformer (18) is installed in the shell (1), and the first transformer (18) is electrically connected with the connector (5) and the first switch (15) respectively.

6. The circuit board testing tool for testing the BMS hardware according to claim 1, wherein: the inside of casing (1) installs second transformer (19), and second transformer (19) are located one side of first transformer (18), and second transformer (19) respectively with joint (5) and second switch (16) electric connection.

7. The circuit board testing tool for testing the BMS hardware according to claim 1, wherein: the transformer is characterized in that a third transformer (20) is installed inside the shell (1), the third transformer (20) is located on one side of the second transformer (19), and the third transformer (20) is electrically connected with the connector (5) and the third switch (17) respectively.

8. The circuit board testing tool for testing the BMS hardware according to claim 1, wherein: and a pressure sensor (21) is arranged in the fixing hole (4), and the pressure sensor (21) is electrically connected with the reversing switch (8).

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