CN217820572U - Multichannel voltage acquisition device and aging testing equipment - Google Patents

Abstract

The utility model discloses a multichannel voltage acquisition device and aging testing equipment, this multichannel voltage acquisition device includes: the terminal equipment connector is used for accessing terminal equipment; the device connector to be tested is used for accessing a plurality of power supply devices to be tested; the voltage acquisition modules are respectively and electrically connected with the to-be-tested equipment connector, and each voltage acquisition module is used for being electrically connected with one to-be-tested power supply equipment through the to-be-tested equipment connector, acquiring the corresponding output voltage of the to-be-tested power supply equipment and outputting corresponding voltage acquisition information; the communication module is respectively and electrically connected with the plurality of voltage acquisition modules and is also in communication connection with the terminal equipment through the terminal equipment connector so as to output the voltage acquisition information output by each voltage acquisition module to the terminal equipment. The utility model discloses can solve the poor problem of current voltage acquisition equipment practicality.

Description

Multichannel voltage acquisition device and aging testing equipment

Technical Field

The utility model relates to an aging testing technical field, in particular to multichannel voltage acquisition device and aging testing equipment.

Background

With the increasing development of electronic technology, the power supply aging technology is more and more intelligent and automatic. Power supply products are also increasingly complex and intelligent; in recent years, when various fast charging power supply products are abundant, the structures of the power supply products are more and more complex, and in order to avoid the product defects caused by the defects in the manufacturing process, the power supply products need to be subjected to aging tests in a simulation use environment before the products are shipped, so that the normal use of the products is ensured. Along with new forms of energy has emerged, power product's demand increases with each other, and power product ageing also needs to be fast, test in a large number, also requires more highly to test equipment and the required module of test, but the visible voltage acquisition equipment in the existing market can gather the passageway in small quantity, can't gather a plurality of power equipment's voltage simultaneously, leads to the aging testing inefficiency of equipment, and simultaneously, current voltage acquisition equipment is inconvenient to be changed and is maintained.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multichannel voltage acquisition device aims at solving the poor problem of current voltage acquisition equipment practicality.

In order to achieve the above object, the utility model provides a multichannel voltage acquisition device, include:

a circuit board;

the terminal equipment connector is fixed on the circuit board and used for accessing terminal equipment;

the device connector to be tested is fixed on the circuit board and used for being connected with a plurality of power supply devices to be tested;

the voltage acquisition modules are installed on the circuit board in a pluggable mode, are respectively electrically connected with the to-be-tested equipment connector, and are used for acquiring the output voltage of the corresponding to-be-tested power supply equipment and outputting corresponding voltage acquisition information;

the communication module is installed on the circuit board in a pluggable mode, the communication module is electrically connected with the voltage acquisition modules respectively, and the communication module is further connected with the terminal device in a communication mode through the terminal device connector so as to output voltage acquisition information output by the voltage acquisition modules to the terminal device.

Optionally, the multichannel voltage collecting device further includes:

the terminal equipment connector and the equipment connector to be tested are fixed on the circuit board;

the communication module is installed on the circuit board in a pluggable mode;

and/or the voltage acquisition module is installed on the circuit board in a pluggable mode.

Optionally, a plurality of pin header bases are arranged on the circuit board;

the communication module and each voltage acquisition module are provided with a row of pin male heads;

the communication module and the plurality of voltage acquisition modules are installed on the circuit board in a pluggable mode through the pin header and the pin header female seat.

Optionally, each of the voltage acquisition modules includes:

the voltage acquisition board is provided with a connecting terminal for connecting the voltage acquisition module to the circuit board;

the voltage acquisition circuit is arranged on the voltage acquisition board, an acquisition end of the voltage acquisition circuit is electrically connected with the to-be-detected equipment connector, the voltage acquisition circuit is electrically connected with the to-be-detected power supply equipment through the to-be-detected equipment connector, acquires the corresponding output voltage of the to-be-detected power supply equipment, and outputs a corresponding voltage acquisition signal;

the microprocessor is arranged on the voltage acquisition board, a receiving end of the microprocessor is electrically connected with an output end of the voltage acquisition circuit, an output end of the microprocessor is electrically connected with the communication module, and the microprocessor is used for outputting corresponding voltage acquisition information to the communication module according to a received voltage acquisition signal so that the communication module outputs the voltage acquisition information to the terminal equipment.

Optionally, the to-be-tested device connector has a power supply terminal, a power supply end of the microprocessor is electrically connected with one to-be-tested power supply device through the power supply terminal, and the to-be-tested power supply device supplies power to the microprocessor through the power supply terminal;

each voltage acquisition module further comprises:

and the state indicating circuit is arranged on the voltage acquisition board, the controlled end of the state indicating circuit is electrically connected with the control end of the microprocessor, and the state indicating circuit is used for outputting corresponding state indicating information when receiving the state prompt signal output by the microprocessor.

Optionally, the to-be-tested device connector has a communication terminal, and the control terminal of the microprocessor is electrically connected to a controlled terminal of the to-be-tested power supply device through the communication terminal;

and the microprocessor is also used for controlling the corresponding power supply equipment to be tested to regulate the output voltage when receiving the quick charging control signal.

Optionally, the communication module includes:

the communication board is provided with a connecting terminal for connecting the communication module to the circuit board;

the main controller is arranged on the communication board and is provided with a signal output end and a plurality of signal receiving ends, one signal receiving end is electrically connected with the output end of one voltage acquisition module, and the main controller is used for outputting voltage information after signal processing is carried out on received voltage acquisition information;

the communication circuit, set up in on the communication board, communication circuit's input with main control unit's signal output part electricity is connected, communication circuit's output with terminal equipment connector electricity is connected, communication circuit is used for passing through terminal equipment connector with terminal equipment communication is connected to export received voltage information to terminal equipment.

Optionally, the multichannel voltage collecting device further includes:

and the power module is electrically connected with the communication module and is used for supplying power to the communication module.

The utility model also provides an aging testing equipment, include:

the multi-channel voltage acquisition device is described above;

the power supply jig is used for carrying a plurality of power supply equipment to be tested;

the interface adapter plate is provided with an input connector and an output connector, the input connector is used for accessing a plurality of power supply devices to be tested, and the output connector is used for accessing the multichannel voltage acquisition device;

and the terminal equipment is in communication connection with the multi-channel voltage acquisition device.

Optionally, the interface patch panel further has a load test connector;

the aging test equipment further comprises a load test module, the load test module is in communication connection with the terminal equipment, and the load test module is used for acquiring total output voltage and total output current of a plurality of power supply equipment to be tested when the load test connector is connected, and outputting corresponding voltage information and current information to the terminal equipment.

The utility model discloses technical scheme is through setting up the terminal equipment connector, the equipment connector that awaits measuring, communication module and a plurality of voltage acquisition module, each voltage acquisition module is connected with the electrical power unit that awaits measuring that an access is through the equipment connector that awaits measuring, with the output voltage of the electrical power unit that awaits measuring that gathers correspondence, and output corresponding voltage acquisition information to communication module, make communication module export the voltage acquisition information of each voltage acquisition module output to the terminal equipment that inserts through the terminal equipment connector, the voltage acquisition of multichannel has been realized. The utility model discloses a set up a plurality of voltage acquisition module, enough carry out aging testing and gather its output voltage to a plurality of power supply unit simultaneously, through communication module upload to terminal equipment, realized multichannel voltage acquisition, promoted voltage acquisition's efficiency, improved power supply unit aging testing's efficiency, solved the poor problem of current voltage acquisition equipment practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram of functional modules of an embodiment of the multi-channel voltage acquisition device of the present invention;

fig. 2 is a schematic diagram of functional modules of an embodiment of the aging testing apparatus of the present invention;

fig. 3 is a schematic structural view of an embodiment of a circuit board in the multi-channel voltage acquisition device of the present invention;

fig. 4 is a schematic structural diagram of an embodiment of a voltage acquisition module in the multi-channel voltage acquisition device of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name(s)
				10	Terminal equipment connector	60	Female seat of pin header
20	Connector for equipment to be tested	70	Pin header
				30	Voltage acquisition module	100	Multichannel voltage acquisition device
40	Communication module	200	Interface adapter plate
				50	Circuit board	300	Load testing module

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a multichannel voltage acquisition device 100.

At present, with the rise of new forms of energy, the demand of power products is increasing day by day, and power products also need test fast, in a large number that ageing, also require more to test equipment and the required module of test, but the voltage acquisition equipment that is visible in the existing market has that can gather the passageway quantity few, bulky, with high costs, inconvenient change scheduling problem.

To solve the above problem, referring to fig. 1 to 4, in an embodiment, the multi-channel voltage acquisition apparatus 100 includes:

a circuit board 50;

the terminal device connector 10 is fixed on the circuit board, and the terminal device connector 10 is used for accessing terminal devices;

the device connector 20 to be tested is fixed on the circuit board, and the device connector 20 to be tested is used for accessing a plurality of power supply devices to be tested;

the plurality of voltage acquisition modules 30 are installed on the circuit board 50 in a pluggable manner, the plurality of voltage acquisition modules 30 are respectively electrically connected with the to-be-tested device connector 20, and each voltage acquisition module 30 is used for being electrically connected with one to-be-tested power supply device through the to-be-tested device connector 20, acquiring the output voltage of the corresponding to-be-tested power supply device and outputting corresponding voltage acquisition information;

the communication module 40 is installed on the circuit board 50 in a pluggable manner, the communication module 40 is electrically connected with the plurality of voltage acquisition modules 30, and the communication module 40 is further connected with the terminal device in a communication manner through the terminal device connector 10 so as to output the voltage acquisition information output by each voltage acquisition module 30 to the terminal device.

In this embodiment, the multi-channel voltage acquisition apparatus 100 has a terminal device connector 10 and a device under test connector 20, where the terminal device connector 10 is used to access a terminal device, so that the terminal device obtains voltage data acquired by the multi-channel voltage acquisition apparatus 100 through the terminal device connector 10. The to-be-tested device connector 20 is configured to be connected to a plurality of to-be-tested power devices, so that the multi-channel voltage acquisition device 100 acquires output voltages of the to-be-tested power devices, and transmits acquired voltage data to the terminal device through the terminal device connector 10, so that the terminal device can determine an aging condition of each to-be-tested power device according to the acquired voltage data. It is understood that the dut connector 20 may include a plurality of connection interfaces, each for accessing a dut, or one connection interface may have a plurality of connection terminals for accessing a plurality of duts.

Each voltage acquisition module 30 is used for being electrically connected with a power supply device to be detected through the device connector 20 to be detected, the voltage acquisition module 30 can be realized by a voltage acquisition circuit and a microprocessor, and the voltage acquisition circuit can be realized by a divider resistor. For example, in an embodiment, the voltage collecting module 30 performs power supply operation by using the corresponding power device to be tested, and the corresponding power device to be tested transmits the voltage of the product device to the power supply end of the microprocessor through the connector 20 of the power device to be tested and the voltage regulator tube, so as to provide the microprocessor with operating voltage. The corresponding power supply device to be tested sends the output voltage to the ADC sampling end of the microprocessor through the device connector 20 to be tested and the voltage dividing resistor, so as to realize voltage acquisition, and the microprocessor processes the acquired voltage and sends the processed voltage to the terminal device through the communication module 40. Further, the quantity of voltage acquisition module 30 is a plurality of, can set up the voltage acquisition module 30 that corresponds quantity according to the application demand of reality, for example, in another embodiment, multichannel voltage acquisition device 100 has contained 16 voltage acquisition modules 30, can gather 16 electrical power unit's that await measuring output voltage simultaneously to realize multichannel voltage acquisition, promoted voltage acquisition's efficiency, improved electrical power unit aging testing's efficiency.

Communication module 40 is used for being connected with the terminal equipment communication through terminal equipment connector 10, in order to export the voltage acquisition information of each voltage acquisition module 30 output to terminal equipment, communication module 40 can choose for use communication circuit and main control unit to realize, for example, in an embodiment, communication module 40 includes central controller and 485 communication circuit, central controller can carry out data packing processing with the voltage acquisition information of a plurality of voltage acquisition module 30 outputs, and through 485 communication circuit, terminal equipment connector 10 and communication cable, voltage information after will packing sends for terminal equipment, make terminal equipment can be according to the voltage data who gathers, judge the ageing condition of every power supply equipment that awaits measuring. Or the terminal equipment can clearly display the acquired voltage data through the human-computer interaction interface, so that the observation and the judgment of workers are facilitated.

Further, the circuit board 50 is disposed in the multi-channel voltage collecting device 100, the terminal device connector 10 and the device connector 20 to be tested are fixed on the circuit board 50, and the circuit board 50 is provided with preset circuit wiring, so that when the communication module 40 and the plurality of voltage collecting modules 30 are installed on the circuit board 50 in a pluggable manner, the modules and the connectors can be electrically connected through the preset circuit wiring on the circuit board 50. Therefore, each module is designed to be an independent detachable module, each module is independent, when any module breaks down, the module can be directly replaced, and the module is simple, convenient, easy to use and convenient to maintain. In addition, each module is designed as a single detachable module, so that a user can select a corresponding module to be installed on the circuit board 50 to test the power supply device to be tested according to actual application requirements. For example, the collection precision, the collection voltage range, and the collection frequency of different voltage collection modules 30 are also different, so that a user can select the voltage collection module 30 corresponding to the collection precision, the collection voltage range, or the collection frequency to be installed on the circuit board 50 according to the actual power supply device to be tested, so as to collect the output voltage of the actual power supply device to be tested. Similarly, the communication module 40 may also be selected according to actual application requirements, for example, different terminal devices have different communication modes, so that a user may select the corresponding communication module 40, such as a bluetooth module, a 485 communication module, etc., according to the terminal device used in the actual test, so as to adapt to different terminal devices. The utility model discloses an all design every module into an solitary detachable module for the user can select corresponding voltage acquisition module 30 or communication module 40 to install on the circuit board according to the aging testing demand of reality, with the demand of matcing aging testing, not only make multichannel voltage acquisition device portably easy-to-use, convenient maintenance, still improved multichannel voltage acquisition device's suitability and practicality.

The utility model discloses a set up terminal equipment connector 10, the equipment connector 20 that awaits measuring, communication module 40 and a plurality of voltage acquisition module 30, each voltage acquisition module 30 is connected with the electrical power unit that awaits measuring that an access is through the equipment connector 20 that awaits measuring, with the output voltage of the electrical power unit that awaits measuring that the collection corresponds, and output corresponding voltage acquisition information to communication module 40, make communication module 40 export the terminal equipment that inserts through terminal equipment connector 10 with the voltage acquisition information of each voltage acquisition module 30 output, with the voltage acquisition who realizes the multichannel. The utility model discloses a set up a plurality of voltage acquisition modules 30, enough carry out aging testing and gather its output voltage to a plurality of power supply unit simultaneously, through communication module 40 upload to terminal equipment, realized the voltage acquisition of multichannel, promoted the efficiency of voltage acquisition, improved power supply unit aging testing's efficiency. Meanwhile, the terminal equipment can monitor the aging state of the power supply equipment in the test in real time, can accurately judge the aging condition of each test power supply equipment according to the acquired voltage data, and improves the efficiency of the aging test of the power supply equipment. Furthermore, the utility model discloses still with voltage acquisition module 30 and communication module 40, all design to an solitary detachable module, make the user can be according to the ageing tests demand of reality, select corresponding voltage acquisition module 30 or communication module 40 to install on the circuit board, with the demand that matches ageing tests, not only make multichannel voltage acquisition device 100 when having arbitrary one module to break down, can directly change the module, it is simple and convenient easy-to-use, convenient maintenance, multichannel voltage acquisition device's suitability and practicality have still been improved.

Referring to fig. 1 to 4, in an embodiment, the circuit board 50 is provided with a plurality of pin header sockets 60;

the communication module 40 and each voltage acquisition module 30 are provided with a row of pin male heads 70;

the communication module 40 and the plurality of voltage collecting modules 30 are installed on the circuit board 50 by plugging the pin header 70 and the pin header 60.

In this embodiment, as shown in fig. 3, fig. 3 is the utility model discloses the structural schematic diagram of 50 embodiments of well circuit board, wherein, be equipped with the female seat 60 of a plurality of row's needles on the circuit board 50, correspondingly, as shown in fig. 4, fig. 4 is the utility model discloses the structural schematic diagram of an embodiment of well voltage acquisition module 30 is equipped with the row's needle male head 70 that can be connected with row's needle female seat 60 is pluggable on communication module 40 and voltage acquisition module 30, so, communication module 40 and voltage acquisition module 30 can be installed on circuit board 50 through row's needle male head 70 and row's needle female seat 60 is pluggable. So set up for communication module 40 and voltage acquisition module 30 can be connected with the laminating of circuit board 50, and simultaneously, female seat 60 of row's needle on the circuit board 50 can regard as the force bearing point, reduces rocking of communication module 40 and voltage acquisition module 30, with the stability that improves communication module 40 and voltage acquisition module 30. It is understood that the pluggable installation manners of the communication module 40 and the voltage acquisition module 30 with respect to the circuit board 50 include, but are not limited to, the pin header 70 and the pin header 60, and a card slot, a connector, etc. may be further provided to achieve detachable installation.

Referring to fig. 1 to 4, in an embodiment, each of the voltage acquisition modules 30 includes:

a voltage collecting board provided with a connection terminal for connecting the voltage collecting module 30 to the circuit board 50;

the voltage acquisition circuit is arranged on the voltage acquisition board, the acquisition end of the voltage acquisition circuit is electrically connected with the to-be-detected equipment connector 20, the voltage acquisition circuit is electrically connected with one to-be-detected power supply equipment through the to-be-detected equipment connector 20, acquires the corresponding output voltage of the to-be-detected power supply equipment and outputs a corresponding voltage acquisition signal;

the microprocessor is arranged on the voltage acquisition board, a receiving end of the microprocessor is electrically connected with an output end of the voltage acquisition circuit, an output end of the microprocessor is electrically connected with the communication module 40, and the microprocessor is used for outputting corresponding voltage acquisition information to the communication module 40 according to the received voltage acquisition signal so that the communication module 40 outputs the voltage acquisition information to the terminal equipment.

In one embodiment, each voltage collecting module 30 includes a voltage collecting board, a voltage collecting circuit and a microprocessor, the voltage collecting circuit and the microprocessor are disposed on the voltage collecting board, and the voltage collecting board is provided with a connecting terminal, so that the voltage collecting module 30 is detachably connected to the circuit board 50 through the connecting terminal. In this embodiment, the voltage acquisition circuit is implemented by using a voltage dividing resistor, the microprocessor is implemented by using a single chip microcomputer, the corresponding power device to be tested transmits the output voltage to the ADC sampling terminal of the single chip microcomputer through the device connector 20 to be tested and the voltage dividing resistor, so as to implement voltage acquisition, and the microprocessor processes the acquired voltage and transmits the processed voltage to the terminal device through the communication module 40. So set up, voltage acquisition module 30 directly inserts power supply unit through equipment connector 20 that awaits measuring, and the intermediate junction spare is few, and the line loss is limited, can reflect the real-time operating condition of power product more directly perceived and truer in real time for terminal equipment can accurately judge every test power supply unit's ageing condition according to the voltage data of gathering, has improved power supply unit aging testing's efficiency.

Referring to fig. 1 to 4, in an embodiment, the device-under-test connector 20 has a power supply terminal, through which a power supply terminal of the microprocessor is electrically connected to a power device under test, and the power device under test supplies power to the microprocessor through the power supply terminal;

each of the voltage acquisition modules 30 further includes:

and the state indicating circuit is arranged on the voltage acquisition board, the controlled end of the state indicating circuit is electrically connected with the control end of the microprocessor, and the state indicating circuit is used for outputting corresponding state indicating information when receiving the state prompt signal output by the microprocessor.

In one embodiment, the device under test connector 20 has a power supply terminal, and the power supply terminal of the microprocessor is electrically connected to the power supply device under test through the power supply terminal, so that the power supply device under test supplies power to the microprocessor through the power supply terminal. In this embodiment, the microprocessor is implemented by using a single chip, the single chip supplies power to the corresponding power supply device to be tested, and the corresponding power supply device to be tested transmits the voltage of the product device to the power supply end of the single chip through the connector 20 of the device to be tested and the voltage regulator tube, so as to provide working voltage for the single chip. So set up, each voltage acquisition module 30 all only is connected with the power supply unit that awaits measuring that corresponds, keeps apart each other between a plurality of voltage acquisition modules 30, and mutual independence can reduce the signal crosstalk of a plurality of voltage acquisition modules 30 when gathering voltage, has improved voltage acquisition's stability and security to the accuracy of aging test judgement has been improved.

Further, each voltage acquisition module 30 further includes a status indication circuit, the status indication circuit may be composed of LED indicator lamps, in an embodiment, the status indication circuit is composed of two LED indicator lamps, and the microprocessor can control the corresponding LED indicator lamps to be turned on or off, or to blink, etc. according to the power supply status and the communication status of the microprocessor, so as to provide corresponding status indication information for the user, so that the user can intuitively know the working status of each voltage acquisition module 30, and the practicability and the safety of the multi-channel voltage acquisition apparatus 100 are improved.

Referring to fig. 1 to 4, in an embodiment, the dut connector 20 has a communication terminal, and the control terminal of the microprocessor is electrically connected to the controlled terminal of the dut through the communication terminal;

and the microprocessor is also used for controlling the corresponding power supply equipment to be tested to regulate the output voltage when receiving the quick charging control signal.

It can be understood that some existing power supply devices have a normal operating mode and a fast charging mode, and when the power supply device operates in the fast charging mode, the output voltage of the power supply device is greater than that in the normal operating mode. For example, the output voltage of a power supply device in the normal operation mode is 5V, but the output voltage of the power supply device in the fast charging mode can reach 10V or even 20V. Therefore, in an embodiment, the dut connector 20 has a communication terminal, and the control terminal of the microprocessor is connected to the controlled terminal of the dut via the communication terminal, so that the microprocessor can control the dut to enter the fast charging mode when receiving the fast charging control signal, so that the dut increases its output voltage. The quick charging control signal can be issued by the user through the terminal device, or can be output to the microprocessor by an additionally arranged trigger circuit when being triggered by the user. So set up for voltage acquisition module 30 can gather the output voltage of electrical power generating equipment under ordinary operating mode, and gather the output voltage of electrical power generating equipment under the mode of filling soon, make voltage acquisition module 30 can gather more comprehensive voltage data, make terminal equipment can further, judge electrical power generating equipment's ageing condition more accurately, improved electrical power generating equipment aging test's accuracy and practicality.

Referring to fig. 1 to 4, in one embodiment, the communication module 40 includes:

a communication board provided with a connection terminal for connecting the communication module 40 to the circuit board 50;

the main controller is arranged on the communication board and is provided with a signal output end and a plurality of signal receiving ends, one signal receiving end is electrically connected with the output end of one voltage acquisition module 30, and the main controller is used for outputting voltage information after signal processing is carried out on received voltage acquisition information;

the communication circuit, set up in on the communication board, communication circuit's input with main control unit's signal output part electricity is connected, communication circuit's output with terminal equipment connector 10 electricity is connected, communication circuit is used for passing through terminal equipment connector 10 with terminal equipment communication is connected to export received voltage information to terminal equipment.

In one embodiment, the communication module 40 includes a communication board, a communication circuit and a main controller, the communication circuit and the main controller are disposed on the communication board, and the communication board is provided with a connection terminal, so that the communication module 40 is detachably connected to the circuit board 50 through the connection terminal. In this embodiment, communication module 40 has chooseed 485 communication circuit for use and has realized, and main control unit can carry out data packing with the voltage acquisition information of a plurality of voltage acquisition module 30 outputs and handle to through 485 communication circuit, terminal equipment connector 10 and communication cable, the voltage information after will packing sends for terminal equipment, makes terminal equipment can be according to the voltage data of gathering, judges every power equipment's that awaits measuring ageing condition.

Further, a signal receiving end of the main controller is connected to a voltage collecting module 30, and since the circuit wiring preset on the circuit board 50 is fixed, correspondingly, a signal receiving end of the main controller is fixed to an interface of the connector 20 corresponding to the device to be tested. Therefore, each interface in the device connector 20 to be tested can be marked with an address, so that a signal receiving end of the main controller corresponds to one address, in other words, the main controller can judge which interface is accessed to the power supply device from which voltage data comes according to the set address, a user can conveniently perform data classification and data processing, the judging capability of the terminal device for judging the aging condition of the power supply device is improved, and the accuracy of the aging test of the power supply device is improved.

Referring to fig. 1 to 4, in an embodiment, the multi-channel voltage collecting apparatus 100 further includes:

and the power supply module is electrically connected with the communication module 40 and is used for supplying power to the communication module 40.

In one embodiment, the multi-channel voltage acquisition device 100 further comprises a power module, which is dedicated to supplying power to the communication module 40. The voltage module may be implemented by using a rechargeable battery, or may be implemented by using a voltage conversion circuit to connect with a power supply of the burn-in tester, so as to convert an external power supply into a power supply to supply power to the communication module 40. Further, the power module is the same as the communication module 40 and the voltage acquisition module 30, and the power module can also be an independent module which can be connected with the circuit board 50 in a pluggable manner, so that when the power module breaks down, the power module can be directly replaced, and the power module is simple, convenient and easy to use and convenient to maintain. Correspondingly, when the power module is also set as a detachable independent module, the power module may be specifically selected according to the selection of the communication module 40, so as to adapt to the communication module 40 and supply power to the communication module 40.

The utility model also provides an aging testing equipment, include:

the above-described multi-channel voltage acquisition apparatus 100;

the power supply jig is used for carrying a plurality of pieces of power supply equipment to be tested;

the interface adapter board 200 is provided with an input connector and an output connector, the input connector is used for connecting a plurality of power supply devices to be tested, and the output connector is used for connecting the multichannel voltage acquisition device 100;

and the terminal equipment is in communication connection with the multi-channel voltage acquisition device 100.

In this embodiment, power supply jig can carry on a plurality of power supply unit that awaits measuring, and a plurality of power supply unit that await measuring pass through interface keysets 200 on the power supply jig and are connected with multichannel voltage acquisition device 100 for multichannel voltage acquisition device 100 gathers and uploads data to terminal equipment to the output voltage of every power supply unit that awaits measuring, through terminal equipment's real time monitoring, realizes monitoring and the judgement to power supply unit's ageing state. The interface adapter board 200 may be disposed on the power supply fixture, or disposed at other positions in the burn-in test equipment. The utility model discloses in set up interface keysets 200 and realize the electricity between a plurality of electrical power unit and the multichannel voltage acquisition device 100 that awaits measuring being connected, can avoid multichannel voltage acquisition device 100 and a plurality of electrical power unit lug connection that awaits measuring to cause the circuit to mix, can reduce the signal crosstalk that causes because of the circuit mixes, improve voltage acquisition's stability and security.

In this embodiment, the aging test apparatus includes the multi-channel voltage acquisition apparatus 100 according to the foregoing embodiment, and the specific structure of the multi-channel voltage acquisition apparatus 100 refers to the foregoing embodiment, and since the aging test apparatus adopts all technical solutions of all the foregoing embodiments, at least all beneficial effects brought by the technical solutions of the foregoing embodiments are achieved, and details are not repeated here.

Referring to fig. 1-4, in one embodiment, the interface patch panel 200 further has a load test connector;

the aging test equipment further comprises a load test module 300, the load test module 300 is in communication connection with the terminal equipment, and the load test module 300 is used for acquiring the total output voltage and the total output current of the power supply equipment to be tested when the load test connector is connected, and outputting corresponding voltage information and current information to the terminal equipment.

In an embodiment, the burn-in test apparatus further includes a load test module 300, and the load test module 300 can be connected to a plurality of power devices to be tested through the interface adapter board 200. When the load testing module 300 is connected to the interface adapter board 200 through the load testing connector, due to the circuit wiring preset on the interface adapter board 200, at this time, a plurality of power devices to be tested are connected in series and then connected to the load testing module 300. Therefore, the load test module 300 can directly acquire the total output voltage and the total output current of the multiple power supply devices to be tested after being connected in series, and send the corresponding voltage information and current information to the terminal device, so that the terminal device can accurately judge the aging condition of each power supply device according to the total output voltage and the total output current of the multiple power supply devices to be tested and the output voltage data of each power supply device to be tested, and the aging test accuracy and the test efficiency of the aging test device are improved.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (9)

1. A multi-channel voltage acquisition device, comprising:

a circuit board;

the terminal equipment connector is fixed on the circuit board and used for accessing terminal equipment;

the device connector to be tested is fixed on the circuit board and used for being connected with a plurality of power supply devices to be tested;

the voltage acquisition modules are installed on the circuit board in a pluggable mode, are respectively electrically connected with the to-be-tested equipment connector, and are used for being electrically connected with to-be-tested power equipment through the to-be-tested equipment connector, acquiring corresponding output voltages of the to-be-tested power equipment and outputting corresponding voltage acquisition information;

the communication module is installed on the circuit board in a pluggable mode, is electrically connected with the plurality of voltage acquisition modules respectively, and is in communication connection with the terminal equipment through the terminal equipment connector so as to output voltage acquisition information output by the voltage acquisition modules to the terminal equipment.

2. The multi-channel voltage acquisition device according to claim 1, wherein the circuit board is provided with a plurality of female pin headers;

the communication module and each voltage acquisition module are provided with a row of pin male heads;

the communication module and the plurality of voltage acquisition modules are installed on the circuit board in a pluggable mode through the pin header and the pin header female seat.

3. The multi-channel voltage acquisition device of claim 1 wherein each of the voltage acquisition modules comprises:

the voltage acquisition board is provided with a connecting terminal for connecting the voltage acquisition module to the circuit board;

the voltage acquisition circuit is arranged on the voltage acquisition board, an acquisition end of the voltage acquisition circuit is electrically connected with the to-be-detected equipment connector, the voltage acquisition circuit is electrically connected with the to-be-detected power supply equipment through the to-be-detected equipment connector, acquires the corresponding output voltage of the to-be-detected power supply equipment, and outputs a corresponding voltage acquisition signal;

the microprocessor is arranged on the voltage acquisition board, a receiving end of the microprocessor is electrically connected with an output end of the voltage acquisition circuit, an output end of the microprocessor is electrically connected with the communication module, and the microprocessor is used for outputting corresponding voltage acquisition information to the communication module according to the received voltage acquisition signal, so that the communication module outputs the voltage acquisition information to the terminal equipment.

4. The multi-channel voltage acquisition device according to claim 3, wherein the device under test connector has a power supply terminal, the power supply terminal of the microprocessor is electrically connected with one of the power supply devices under test through the power supply terminal, and the power supply device under test supplies power to the microprocessor through the power supply terminal;

each voltage acquisition module further comprises:

the state indicating circuit is arranged on the voltage collecting plate, a controlled end of the state indicating circuit is electrically connected with a control end of the microprocessor, and the state indicating circuit is used for outputting corresponding state indicating information when receiving a state prompting signal output by the microprocessor.

5. The multi-channel voltage acquisition device as claimed in claim 3, wherein the device under test connector has a communication terminal, and the control terminal of the microprocessor is electrically connected with the controlled terminal of the power supply device under test through the communication terminal;

and the microprocessor is also used for controlling the corresponding power supply equipment to be tested to regulate the output voltage when receiving the quick charging control signal.

6. The multi-channel voltage acquisition device of claim 1 wherein the communication module comprises:

the communication board is provided with a connecting terminal for connecting the communication module to the circuit board;

the main controller is arranged on the communication board and provided with a signal output end and a plurality of signal receiving ends, one signal receiving end is electrically connected with the output end of one voltage acquisition module, and the main controller is used for outputting voltage information after signal processing is carried out on received voltage acquisition information;

the communication circuit, set up in on the communication board, communication circuit's input with main control unit's signal output part electricity is connected, communication circuit's output with terminal equipment connector electricity is connected, communication circuit is used for passing through terminal equipment connector with terminal equipment communication is connected to export received voltage information to terminal equipment.

7. The multi-channel voltage acquisition device of claim 1 wherein the multi-channel voltage acquisition device further comprises:

and the power module is electrically connected with the communication module and is used for supplying power to the communication module.

8. A burn-in test apparatus, comprising:

a multi-channel voltage acquisition device as claimed in any one of claims 1 to 7;

the power supply jig is used for carrying a plurality of power supply equipment to be tested;

the interface adapter plate is provided with an input connector and an output connector, the input connector is used for being connected with a plurality of power supply equipment to be tested, and the output connector is used for being connected with the multi-channel voltage acquisition device;

and the terminal equipment is in communication connection with the multi-channel voltage acquisition device.

9. The burn-in apparatus of claim 8, wherein the interface adapter board further has a load test connector;

the aging test equipment further comprises a load test module, the load test module is in communication connection with the terminal equipment, and the load test module is used for acquiring total output voltage and total output current of a plurality of power supply equipment to be tested when the load test connector is connected, and outputting corresponding voltage information and current information to the terminal equipment.

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