Calibration device for battery formation and capacity grading equipment

Abstract

The utility model discloses a battery formation and capacity grading equipment calibration device, and relates to the technical field of battery production, a plurality of rows of conducting bars are arranged on a top plate, each row comprises a first contact conducting bar and two second contact conducting bars, each second contact conducting bar is provided with N calibration channels, and the total number of the calibration channels is 2N; each first contact conducting bar is provided with 2N calibration channels; wires connected to the two second contact conducting bars penetrate through the current transformer, one of the first contact conducting bar and the second contact conducting bar is a positive conducting bar, and the other one is a negative conducting bar; the control board receives a command of the upper computer system and controls the switching board to switch the calibration channel, and the universal meter displays and transmits a voltage value and / or a current value measured by the current transformer; in the current calibration link, one calibration channel of each of the two second contact conducting bars forms mutual dragging, the form of a built-in bidirectional power supply module is cancelled, the calibration efficiency is improved, and the tool cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of battery production technology, and more specifically to a calibration device for battery formation and capacity testing equipment. Background Technology

[0002] With the rapid development of the new energy vehicle industry, automakers are placing increasingly stringent quality requirements on power batteries. Formation and capacity testing, as a charging and discharging process in battery manufacturing, largely determine the performance of the finished battery.

[0003] The formation process is the initial charging of batteries after electrolyte injection and storage to form a solid electrolyte membrane. After a period of storage, the formed batteries undergo a capacity sorting process, which sorts and grades the batteries by capacity and performance. This is mainly done by using battery charging and discharging equipment to perform charge and discharge tests and capacity determination on each finished battery to eliminate batteries that do not meet the capacity standards or have quality problems.

[0004] The battery formation and capacity testing process requires a certain level of voltage and current accuracy, necessitating periodic calibration of the formation and capacity testing equipment. Battery packs are characterized by a large number of batteries and a compact structure; each channel within the fixture is equipped with an isolation module and a built-in bidirectional power supply, resulting in numerous components, large size, and high cost. Using traditional calibration fixtures leads to excessively long calibration times, severely impacting efficiency.

[0005] Improving the efficiency of formulation and capacity calibration while reducing tooling costs is a technical problem that needs to be solved by those skilled in the art. Utility Model Content

[0006] The core of this invention is to provide a calibration device for battery formation and capacity testing, wherein the current calibration adopts a reverse drag method, which solves the problems of large tooling size and high cost, and improves calibration efficiency. The specific solution is as follows:

[0007] A battery formation and capacity testing calibration device, comprising:

[0008] The top plate assembly includes a top plate, a first contact busbar, a second contact busbar, a busbar support strip, and a current transformer. Several columns of busbars are arranged on the top plate via the busbar support strip. Each column includes one first contact busbar and two second contact busbars. Each second contact busbar has N calibration channels, and each first contact busbar has 2N calibration channels, where N is a positive integer. Two second contact busbars are arranged side-by-side with each first contact busbar. The current transformer is positioned between two second contact busbars, allowing wires connected to the two second contact busbars to pass through. It is used to ensure that one calibration channel of each of the two second contact busbars forms a counter-current connection during current calibration. One of the first and second contact busbars is a positive contact busbar for bonding with the positive probe in the formation and capacity testing equipment, and the other is a negative contact busbar for bonding with the negative probe in the formation and capacity testing equipment.

[0009] The base plate assembly includes a base plate, a control board, a switching board, and a multimeter. The control board is used to receive commands from the host computer system and control the switching board to switch calibration channels. The multimeter is used to display and transmit voltage values ​​and / or current values ​​measured by the current transformer.

[0010] The support component is mounted on the base plate at its bottom end and supports the top plate at its top end.

[0011] Optionally, the first contact conductive busbar is fixed to the conductive busbar support bar; the second contact conductive busbar is fixed to the side of the conductive busbar support bar.

[0012] Optionally, the current transformer is fixedly mounted on the back of the top plate.

[0013] Optionally, the first contact conductive bus and the second contact conductive bus are respectively provided with bent edges, and the top plate is provided with openings for the bent edges to extend into.

[0014] Optionally, the base plate assembly includes a power supply and communication port, which is used for power supply and communication of the tooling during the calibration phase, drawing power from the equipment to supply power to the tooling and transmitting signals and data between the host computer and the slave computer.

[0015] Optionally, the base plate assembly includes two switching power supplies and a fuse terminal, one of which supplies power to the current transformer and the other supplies power to the two switching boards.

[0016] Optionally, the base plate assembly includes an insulated cable tray for insulating and separating high-voltage cables from low-voltage cables.

[0017] Optionally, the support assembly includes edge support columns and internal support columns, the edge support columns supporting the edges of the top plate at intervals, and the internal support columns supporting the middle area of ​​the top plate at intervals.

[0018] And / or, a plurality of positioning holes are provided on the base plate.

[0019] Optionally, in two adjacent columns of conductive bars, the first contact conductive bars are close to each other or the second contact conductive bars are close to each other.

[0020] Optionally, the support assembly includes a side panel, on which a circuit breaker, a triangular socket, a signal light, an Ethernet port, and an aviation port are mounted.

[0021] This invention provides a calibration device for battery formation and capacity testing. A support assembly is installed between a base plate and a top plate to provide support. Several columns of conductive busbars are arranged on the top plate via conductive busbar support strips. Each column includes one first contact conductive busbar and two second contact conductive busbars. Each second contact conductive busbar has N calibration channels, for a total of 2N calibration channels. Each first contact conductive busbar also has 2N calibration channels. Wires connecting the two second contact conductive busbars pass through a current transformer. One of the first and second contact conductive busbars is a positive electrode, and the other is a negative electrode. A control board receives commands from a host computer system and controls a switching board to switch calibration channels. A multimeter displays and transmits voltage values ​​and / or current values ​​measured by the current transformer. In the current calibration stage, one calibration channel of each of the two second contact conductive busbars forms a counter-current connection, eliminating the need for a built-in bidirectional power supply module. This improves calibration efficiency and reduces tooling costs. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is an isometric view of the calibration device for the battery formation and capacity testing equipment of this utility model;

[0024] Figure 2 An isometric view of the battery formation and capacity testing calibration device of this utility model, with the top plate assembly removed;

[0025] Figure 3 This is a top view of the top plate assembly;

[0026] Figure 4 This is a partial structural isometric view of the front of the top plate assembly;

[0027] Figure 5 This is a bottom view of the top panel assembly;

[0028] Figure 6 This is a partial structural isometric view of the back of the top plate assembly;

[0029] Figure 7 This is a wiring diagram of the calibration device for the battery formation and capacity testing equipment of this utility model.

[0030] The image includes:

[0031] Top plate assembly 1, top plate 11, first contact conductive bus 12, second contact conductive bus 13, conductive bus support bar 14, current transformer 15;

[0032] Support component 2, edge support column 21, internal support column 22, side panel 23, circuit breaker 24, triangular socket 25, indicator light 26, Ethernet port 27, aviation socket 28;

[0033] Base plate assembly 3, base plate 31, positioning hole 311, control board 32, switching board 33, multimeter 34, power supply communication port 35, switching power supply 36, fuse terminal 37, insulated wire groove 38. Detailed Implementation

[0034] To enable those skilled in the art to better understand the technical solution of this utility model, the battery formation and capacity testing calibration device of this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] Combination Figure 1 As shown, this utility model provides a battery formation and capacity testing calibration device, including a top plate assembly 1, a support assembly 2, a bottom plate assembly 3, and other structures. This battery formation and capacity testing calibration device is used to simulate a battery module and to calibrate the formation and capacity testing equipment.

[0036] The top plate assembly 1 is used to simulate the top structure of the battery pack tray. The top plate assembly 1 includes a top plate 11, a first contact conductive bar 12, a second contact conductive bar 13, a conductive bar support bar 14, and a current transformer 15. The top plate 11 is used for support. The first contact conductive bar 12, the second contact conductive bar 13, the conductive bar support bar 14, and the current transformer 15 are all installed on the top plate 11.

[0037] Several columns of conductive bars are arranged on the top plate 11 via conductive bar support strips 14. The conductive bar support strips 14 are fixed to the upper surface of the top plate 11. Both the conductive bar support strips 14 and the top plate 11 are made of insulating material, not limited to fiberglass board, bakelite, etc. The conductive bar support strips 14 support and fix the columns of conductive bars above the top plate 11. One column of conductive bars can act as one column of battery for the calibration process, and the calibration process is performed column by column. To improve calibration efficiency, multiple columns of conductive bars can be set.

[0038] Each column of conductive busbars includes one first contact conductive busbar 12 and two second contact conductive busbars 13. The first contact conductive busbar 12 and the two second contact conductive busbars 13 are made of conductive material, such as copper or aluminum. Both the first contact conductive busbar 12 and the second contact conductive busbar 13 are elongated strips, arranged parallel to each other with a gap between them. The first contact conductive busbar 12 and the second contact conductive busbar 13 are connected to different electrodes. One first contact conductive busbar 12 is paired with two second contact conductive busbars 13 to form a column. The two second contact conductive busbars 13 are collinear and spaced apart.

[0039] Each second contact bus 13 has N calibration channels, and each first contact bus 12 has 2N calibration channels, where N is a positive integer. Two second contact buses 13 are arranged side-by-side for each first contact bus 12. One calibration channel is used to make conductive contact with one probe of the test plate. One calibration channel of a second contact bus 13 and one calibration channel of a first contact bus 12 form a pair, simulating the positive and negative terminals of a battery, corresponding to the two probes of the test plate. The two second contact buses 13 have the same number of calibration channels, and the number of calibration channels of the first contact bus 12 is the sum of the number of calibration channels of the two second contact buses 13, ensuring a one-to-one correspondence between the calibration channels of the first contact bus 12 and the second contact bus 13.

[0040] Combination Figure 5As shown, a current transformer 15 is positioned between two second contact busbars 13 to measure current based on the principle of electromagnetic induction. It is used in the current calibration process to ensure that one calibration channel of each of the two second contact busbars 13 forms a counter-current connection. The two second contact busbars 13 in the same column are electrically connected by a wire. The current transformer 15 allows the wire (power line) connected to the two second contact busbars 13 to pass through, enabling the detection of current magnitude during calibration. During current calibration, one calibration channel of each of the two second contact busbars 13 is activated, and both calibration channels are simultaneously connected to the circuit to form a counter-current connection. The power modules of the corresponding columns are in charging mode and constant voltage mode, respectively. Charging current calibration is performed on the power module in charging mode, and discharging current calibration is performed on the power module in constant voltage mode.

[0041] The first contact bus 12 and the second contact bus 13 are used to simulate the positive and negative tabs of a battery and are pressed into contact with the tab probes in the formation and capacity testing equipment for conductivity. One of the first contact bus 12 and the second contact bus 13 is a positive contact bus for pressing into contact with the positive probe in the formation and capacity testing equipment for conductivity, and the other is a negative contact bus for pressing into contact with the negative probe in the formation and capacity testing equipment for conductivity; that is, the first contact bus 12 is a positive contact bus and the second contact bus 13 is a negative contact bus, or the first contact bus 12 is a negative contact bus and the second contact bus 13 is a positive contact bus.

[0042] The base plate assembly 3 includes a base plate 31, a control board 32, a switching board 33, and a multimeter 34. The base plate 31 serves as a load-bearing component, and the other structures of the base plate assembly 3 are mounted on the base plate 31. The base plate 31 is made of insulating material, not limited to fiberglass board, bakelite, etc. The control board 32 is used to receive commands from the host computer system and control the switching board 33 to switch calibration channels. There are two switching boards 33, one for voltage and one for current, used to switch the conductor bus during voltage calibration and the other for current calibration, respectively. The multimeter 34 is used to display and transmit voltage values ​​and / or current values ​​measured by the current transformer 15, and communicates with the control board 32, sensing and measuring the current passing through the power line through the current transformer 15.

[0043] The support component 2 is located between the bottom plate 31 and the top plate 11. The bottom end of the support component 2 is installed on the bottom plate 31, and the top end supports the top plate 11. The support component 2 provides support to the top plate component 1.

[0044] Figure 7The wiring diagram of the battery formation and capacity testing calibration device is shown. Taking the 46 series battery as an example, this embodiment is used to calibrate a cell group with 256 channels, with 16 channels per column, for a total of 16 columns. One positive conductor corresponds to 8 channels, and the power line passes through the current transformer 15 to connect two positive conductors. One negative conductor corresponds to 16 channels. The positive conductors of each group are connected to the V+ port of the voltage switching board, and the negative conductors are connected to the C port of the voltage switching board. The current transformer 15 of each group is connected to the I+ and I- ports of the current switching board. The voltage switching board and the current switching board are connected to the control board 32, and the multimeter 34 is connected to the control board. One positive electrode busbar has channels numbered #1 to #8, and the other positive electrode busbar has channels numbered #9 to #16. During current calibration, channels #1 and #9 of the two positive electrode busbars are paired. First, #1 discharges to #9, and then #9 discharges to #1 to complete one calibration process. Then, channels #2 and #10 are paired and discharged in both directions for calibration. This process is repeated for each channel in a row until all channels in a row are calibrated.

[0045] The battery formation and capacity testing calibration device of this invention can perform voltage calibration and current calibration separately. During current calibration, it can also perform drag calibration.

[0046] The calibration process is as follows:

[0047] Voltage calibration stage: The voltage calibration stage involves the host computer comparing and calculating the voltage of the power module with the voltage on the calibration fixture's conductive busbar collected by a multimeter, and then correcting the voltage deviation of the power module. The host computer sends a command to the control board 32, which controls the voltage switching board to switch to the corresponding column. The host computer then sends a command to start a specific channel power module in that column. After a certain delay, the multimeter collects the operating voltage on the calibration fixture's conductive busbar and uploads it to the host computer. Simultaneously, the host computer collects the voltage of the power module. The host computer compares and calculates the two data points to generate calibration data and corrects the voltage deviation of the power module. After calibrating one column of channels, the voltage switching board switches to the next column for calibration. Since the first contact busbar 12 in a column is a conductor, and the two second contact busbars 13 in a column are also considered as a conductor due to their conductive connection via the power line, when voltage calibration is performed, voltage is applied to the first contact busbar 12 and the two second contact busbars 13 through the fixture. All channels in a column are connected in parallel, and the voltage values ​​of each channel are equal. The probes on the pressure plate contact all channels simultaneously, and the voltage of all channels in a column is calibrated at once.

[0048] Current calibration stage: The current calibration stage involves the host computer comparing and calculating the current of the power module with the current measured by the current transformer collected by the multimeter, and then correcting the current deviation of the power module. The host computer sends a command to the control board 32, which controls the current switching board to switch to the corresponding column. The host computer then sends a command to start the two channel power modules in the corresponding column, which are in charging mode and constant voltage mode respectively. The charging current of the power module in charging mode is calibrated, and the discharging current of the power module in constant voltage mode is calibrated. After a certain delay, the multimeter collects the current measured by the current transformer and uploads it to the host computer. At the same time, the host computer collects the current of the power module. The host computer compares and calculates the two data to generate calibration data and corrects the current deviation of the power module. After calibration, the modes of the two channel power modules are swapped, and the above steps are repeated. After calibrating one column of channels, the current switching board switches to the next column for calibration.

[0049] Compared with the prior art, the battery formation and capacity testing calibration device of this utility model adopts a new channel switching logic and eliminates the isolation module; the current calibration adopts a parallel method and eliminates the built-in bidirectional power supply module; thus, it improves the calibration efficiency and reduces the tooling cost.

[0050] Based on the above solution, this utility model provides several conductive busbar support strips 14 spaced apart on the upper surface of the top plate 11. These support strips 14 form several rows to support the first contact conductive busbar 12 and the second contact conductive busbar 13. The first contact conductive busbar 12 is fixed to the conductive busbar support strip 14; the second contact conductive busbar 13 is fixed to the side of the support strip 14. Figure 4 As shown, the first contact conductive busbar 12 and the second contact conductive busbar 13 are arranged in a staggered pattern. The negative electrode conductive busbar is pressed and conductively connected to the negative electrode probe in the formation and capacity testing device, and is fixed to the top of the conductive busbar support bar 14; the positive electrode conductive busbar is pressed and conductively connected to the positive electrode probe in the formation and capacity testing device, and is fixed to the side wall of the conductive busbar support bar 14.

[0051] Combination Figure 5 , Figure 6 As shown, a current transformer 15 is fixedly installed on the back of the top plate 11, that is, the current transformer 15 is installed on the lower surface of the top plate 11, while the conductor bus support bar 14 is installed on the upper surface of the top plate 11. The first contact conductor bus 12 and the second contact conductor bus 13 are located above the top plate 11, while the current transformer 15 is installed below the top plate 11. The wire between the two second contact conductor buses 13 passes through the top plate 11 from top to bottom and passes through the current transformer 15. One current transformer 15 is provided for each column of conductor buses. Figure 3 A total of 16 columns of conductive bars are installed from #1 to #16. Sixteen columns of current transformers 15 should be installed on the back of the top plate 11, that is... Figure 5As shown. When performing current calibration, only the current transformer 15 in the corresponding column needs to be turned on; the current transformers 15 in other columns not being tested do not need to be turned on.

[0052] The first contact conductive bar 12 and the second contact conductive bar 13 are respectively provided with bent edges. The top plate 11 is provided with openings for the bent edges to extend into. Through the bent edges provided for each conductive bar, the corresponding conductive bar can be more stably supported and limited. The bent edges extend downward into the inner cavity of the battery forming and capacity calibrating device, thereby realizing power connection.

[0053] Combination Figure 2 As shown, the base plate assembly 3 includes a power supply and communication port 35, which is mounted on the base plate 31. The power supply and communication port 35 is used for power supply and communication of the tooling during the calibration stage. It draws power from the equipment to power the tooling and transmits signals and data between the host computer and the slave computer.

[0054] The base plate assembly 3 includes two switching power supplies 36 and at least one fuse terminal 37. The switching power supplies power the internal components; one switching power supply 36 powers the current transformer 15, and the other switching power supply 36 powers the two switching boards 33. Figure 2 As shown, two switching power supplies 36 are displayed, namely (A) and (B). Switching power supply 36 (A) supplies power to current transformer 15, and switching power supply 36 (B) supplies power to control board 32 and switching board 33.

[0055] The base plate assembly 3 includes several insulated wire grooves 38. The insulated wire grooves 38 are U-shaped grooves set on the upper surface of the base plate 31. They can be set according to the direction of the cables. The insulated wire grooves 38 are used to insulate and separate high-voltage cables and low-voltage cables, and strictly control the internal wiring of the tooling to achieve separation of high-voltage and low-voltage cables.

[0056] Combination Figure 2 As shown, the support assembly 2 includes edge support columns 21 and internal support columns 22. The edge support columns 21 and internal support columns 22 work together to provide longitudinal support to withstand the probe pressing force within the formulation and capacity-making device. The edge support columns 21 are located at the edges of the top plate 11 and the bottom plate 31, and the edge support columns 21 support the edges of the top plate 11 at intervals. The internal support columns 22 are located in the middle area between the top plate 11 and the bottom plate 31, and the internal support columns 22 support the middle area of ​​the top plate 11 at intervals, preventing the middle area of ​​the top plate 11 from sinking, providing longitudinal support to reduce the deformation of the top plate 11 caused by probe pressing, and maintaining the height of each first contact conductive bar 12 and second contact conductive bar 13 consistent, thereby ensuring effective contact with the ejector pin.

[0057] The base plate 31 is provided with a number of positioning holes 311, which enable the tooling to be precisely positioned in the calibrated equipment and precisely aligned with the equipment before the calibration procedure begins, so that the ejector pin can accurately contact the first contact conductive bar 12 and the second contact conductive bar 13.

[0058] In two adjacent columns of conductive bars, the first contact conductive bars 12 are close to each other or the second contact conductive bars 13 are close to each other, combined Figure 1 , Figure 3 , Figure 4 As shown, a series of conductive busbars includes a first contact conductive busbar 12 and a second contact conductive busbar 13. Odd-numbered busbars are arranged in the order of second contact conductive busbar 13 and first contact conductive busbar 12, and even-numbered busbars are arranged in the order of first contact conductive busbar 12 and second contact conductive busbar 13. The order of odd-numbered and even-numbered busbars can be interchanged.

[0059] Combination Figure 1 , Figure 2 As shown, the support component 2 includes a side panel 23, which is arranged around its perimeter. Various interactive interfaces can be installed on the side panel 23, including a circuit breaker 24, a triangular socket 25, an indicator light 26, an Ethernet port 27, and an aviation port 28. The side panel 23 also has several ventilation holes and a display window for a multimeter 34. The circuit breaker 24 serves to connect and disconnect the electrical circuit of the tooling and provides protection; the indicator light 26 displays the operating status of the tooling; the triangular socket 25, Ethernet port 27, and aviation port 28 are used for power supply, control board adjustment, and communication of the tooling during the commissioning phase, respectively. The ventilation holes on the side panel 23 allow for either natural heat dissipation or forced heat dissipation with a fan, depending on the internal heat generation.

[0060] Based on the above introduction, the calibration process for the 46 series battery formation and capacity testing equipment is as follows:

[0061] Voltage calibration process: The host computer sends a command to the control board, which then controls the voltage switching board to switch to the corresponding column. The host computer then sends a command to start the power module of a certain channel in the corresponding column. After a certain delay, the multimeter collects the working voltage on the copper busbar of the calibration fixture and uploads it to the host computer. At the same time, the host computer collects the voltage of the power module. The host computer compares and calculates the two data to generate calibration data and corrects the voltage deviation of the power module. After calibrating one column of channels, the voltage switching board switches to the next column for calibration. Since the first contact busbar 12 of a column is a conductor, and the two second contact busbars 13 of a column are also considered as a conductor due to their conductive connection via the power line, when performing voltage calibration, the fixture applies voltage to the first contact busbar 12 and the two second contact busbars 13. All channels in a column are connected in parallel, and the voltage values ​​of each channel are equal. The probes on the pressure plate contact all channels simultaneously, and the voltage of all channels in a column is calibrated at once.

[0062] Current calibration process: The host computer sends a command to the control board, which then controls the current switching board to switch to the corresponding column. The host computer then sends a command to start the two channel power modules in the corresponding column, placing them in charging mode and constant voltage mode respectively. The charging current of the power module in charging mode is calibrated, and the discharging current of the power module in constant voltage mode is calibrated. After a certain delay, the multimeter collects the current measured by the current transformer and uploads it to the host computer. At the same time, the host computer collects the current of the power module. The host computer compares and calculates the two data to generate calibration data and corrects the current deviation of the power module. After calibration, the modes of the two channel power modules are swapped, and the above steps are repeated. After calibrating one column of channels, the current switching board switches to the next column for calibration.

[0063] In the current calibration stage, a paired calibration method is adopted. Current paired calibration involves the host computer issuing commands to activate two channel power modules in the corresponding column, one in charging mode and the other in constant voltage mode. Charging current calibration is performed on the power module in charging mode, and discharging current calibration is performed on the power module in constant voltage mode. After completion, the power modules are switched modes for further calibration. This method saves on the number of power supplies, solves the problems of large tooling size and high cost, saves time, and improves calibration efficiency.

[0064] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A battery formation and dispensing equipment calibration device, characterized in that, The utility model relates to a kind of current calibration device, including: Top plate assembly (1), including top plate (11), first contact conductive row (12), second contact conductive row (13), conductive row support strip (14), current transformer (15);The top plate (11) is provided with several columns of conductive rows by the conductive row support strip (14), each column includes a first contact conductive row (12) and two second contact conductive rows (13), each second contact conductive row (13) is provided with N calibration channels, each first contact conductive row (12) is provided with 2N calibration channels, N is positive integer;One first contact conductive row (12) is correspondingly provided with two second contact conductive rows (13) side by side;The current transformer (15) is arranged between two second contact conductive rows (13), for the wire passing through connected to two second contact conductive rows (13), for making two second contact conductive rows (13) each one calibration channel form pair in current calibration link;First contact conductive row (12) and one of second contact conductive row (13) are positive conductive row for being used to press contact with the positive probe in formation and content equipment, and the other is negative conductive row for being used to press contact with the negative probe in formation and content equipment; Bottom plate assembly (3), including bottom plate (31), control panel (32), switching board (33), multimeter (34), the control panel (32) is used to receive the command of host computer system and control the switching board (33) switching calibration channel;The multimeter (34) is used to display and transmission to voltage value and / or the current value measured by the current transformer (15); Support assembly (2), bottom end is installed to the bottom plate (31), top end supports the top plate (11).

2. The battery formation and dispensing equipment calibration apparatus of claim 1, wherein, First contact conductive row (12) is fixed on the upper surface of conductive row support strip (14);Second contact conductive row (13) is fixed on the side of conductive row support strip (14).

3. The battery formation and dispensing apparatus calibration device of claim 1, wherein, The back of top plate (11) is fixedly installed current transformer (15).

4. The battery formation and dispensing apparatus calibration device of claim 1, wherein, First contact conductive row (12) and second contact conductive row (13) are respectively provided with bending edge, and top plate (11) is provided with aperture for bending edge to extend into.

5. The battery formation and dispensing apparatus calibration device of claim 1, wherein, The bottom plate assembly (3) includes power supply communication port (35), and the power supply communication port (35) is used for calibration stage power supply and tool communication, and equipment power supply is power supply inside tool and signal and data are transmitted between host computer and lower computer.

6. The battery formation and dispensing apparatus calibration device of claim 1, wherein, The bottom plate assembly (3) includes two switching power supplies (36) and fuse terminal (37), wherein one switching power supply (36) is powered for current transformer (15), and another switching power supply (36) is powered for two switching boards (33).

7. The battery formation and dispensing apparatus calibration device of claim 1, wherein, The bottom plate assembly (3) includes insulated wire slot (38), for insulating spacing strong current cable and weak current cable.

8. The battery formation and dispensing apparatus calibration device of claim 1, wherein, The support assembly (2) comprises edge support columns (21) and internal support columns (22), the edge support columns (21) support the edges of the top plate (11) at intervals, and the internal support columns (22) support the middle area of the top plate (11) at intervals. And / or, a plurality of positioning holes (311) are arranged on the bottom plate (31).

9. The battery formation and dispensing apparatus calibration device of claim 1, wherein, In the two adjacent rows of conductive rows, the first contact conductive rows (12) are close to each other or the second contact conductive rows (13) are close to each other.

10. The battery formation and dispensing apparatus calibration device of claim 1, wherein, The support assembly (2) comprises side panels (23), and circuit breakers (24), pin-shaped sockets (25), signal lamps (26), Ethernet ports (27) and navigation plug ports (28) are installed on the side panels (23).

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