CN210323297U

CN210323297U - Simulation battery pack

Info

Publication number: CN210323297U
Application number: CN201920968783.0U
Authority: CN
Inventors: 王天才; 郑亚东; 翟周林; 王豹; 余祥; 刘元晖
Original assignee: Anhui Jdi New Energy Technology Co ltd
Current assignee: Anhui Jdi New Energy Technology Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-04-14
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a simulation battery pack, including power input module, power input module's output is connected with the input of the module that steps up, the output of the module that steps up is connected with current-limiting resistor R, current-limiting resistor R with be provided with high accuracy benchmark zener diode module between the module that steps up. Has the advantages that: compared with the current mainstream real battery pack or battery simulation equipment, the circuit has the advantages of simple structure, low price, small number of devices, small occupied space and high reliability; from the practical effect, the normal operation has no problem at all, each engineer, tester and after-sales personnel are provided with one set, each set has low cost, so that the cost is saved greatly and the convenience is brought to the user.

Description

Simulation battery pack

Technical Field

The utility model relates to a battery management system technical field especially relates to a simulation group battery.

Background

The battery pack is characterized in that the voltage of a single battery is too low, batteries are required to be connected in series to achieve the improvement of a voltage platform in many occasions, and the batteries connected in series form the battery pack and are applied to the aspects of electric tools, electric automobiles, electric bicycles and the like.

The simulation group battery is especially lithium battery group battery, need have special Battery Management System (BMS) to come real time monitoring battery behavior, prevents that battery charging voltage is too high, and the temperature is too high, and discharge voltage is low excessively for the protection group battery, increase of service life, and ensure can not catch fire or even the explosion. The development of these BMS systems requires a commissioning environment in which the BMS needs to be installed in a battery pack for commissioning.

The existing real battery pack has high cost and large volume, and safety accidents such as short circuit, fire and the like easily occur when an engineer debugs a circuit. The simulation scheme of other battery packs has large volume, and one set of 30 strings of simulation batteries is large in one computer; the cost is high, and one set of battery simulation equipment is very large in thousands of dollars or tens of thousands of dollars. The voltage stability of an analog battery using a linear voltage regulator LDO (low dropout regulator) (equivalent to the voltage regulator in the invention) as power output cannot be guaranteed, the accuracy can only be about 1%, and the accuracy after cascading cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simulation group battery, the current mainstream true group battery of contrast or battery analog device, this circuit structure is simple, the low price, the device is small in quantity, occupation space is little, the reliability is high.

The technical scheme of the utility model is realized like this:

an analog battery pack comprises

The output end of the power input module is connected with the input end of the boosting module, the output end of the boosting module is connected with the current-limiting resistor R, and a high-precision reference voltage-stabilizing tube module is arranged between the current-limiting resistor R and the boosting module.

Further, the voltage of the power input module is 12V.

Furthermore, the high-precision reference voltage-regulator tube module comprises n high-precision reference voltage-regulator tubes, wherein n is a natural number greater than or equal to 1.

Furthermore, two ends of each high-precision reference voltage stabilizing tube are connected with 2n contacts through conducting wires, a battery is connected between the contacts, and n is a natural number which is more than or equal to 1.

Further, the connection relationship between the high-precision reference voltage-regulator tube and the contact follows that the high-precision reference voltage-regulator tube n is connected with the contact 2n through a conducting wire.

The utility model has the advantages that:

(1) the problem of cost is solved, each string of analog batteries is smaller than 2 yuan RMB, about 60 yuan of 30 strings of batteries are sleeved, and an engineer can operate one battery by one hand.

(2) The volume problem is solved, the engineer is enabled to be clean and tidy on the desk, and a set of 30 strings of batteries simulates a PCB only of 10CM X10 CM.

Compared with the current mainstream real battery pack or battery simulation equipment, the circuit has the advantages of simple structure, low price, small number of devices, small occupied space and high reliability; from the practical effect, the normal operation has no problem at all, each engineer, tester and after-sales personnel are provided with one set, each set only needs about 60 yuan, so that the cost is saved, and convenience is brought to a user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an analog battery pack.

In the figure:

1. a power input module; 2. a boost module; 3. a current limiting resistor R; 4. a high-precision reference voltage-stabilizing tube; 5. and (4) a contact.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

According to the utility model discloses an embodiment provides a simulation group battery.

Referring to fig. 1, an analog battery pack according to an embodiment of the present invention includes

Power input module 1, power input module 1's output is connected with boost module 2's input, boost module 2's output is connected with current-limiting resistor R3, current-limiting resistor R3 with be provided with high accuracy benchmark zener module between boost module 2.

In one embodiment, the voltage of the power input module 1 is 12V.

In one embodiment, the high-precision reference voltage regulator tube module comprises n high-precision reference voltage regulator tubes 4, wherein n is a natural number greater than or equal to 1.

In one embodiment, two ends of each high-precision reference voltage regulator tube 4 are connected with 2n contacts 5 through conducting wires, a battery is connected between the contacts 5, and n is a natural number greater than or equal to 1.

In one embodiment, the connection between the high accuracy reference regulator 4 and the contact 5 follows the high accuracy reference regulator 4n being wired to the contact 52 n.

Operating environment and principle description

(a) The left 12V + input, the 12V-input is the normal power input.

(b) The boost module is responsible for boosting the 12V input to 24V or higher, slightly above the total cell pressure.

(c) And the current limiting resistor R is mainly used for limiting the current passing through the high-precision reference voltage stabilizing tube and preventing the voltage stabilizing tube from being burnt.

(d) High-precision reference voltage-regulator tube D1-DN: the battery has the characteristic of voltage regulation through current switching, so that one battery can be simulated, and the current larger than 5 milliamperes is supplied to the outside on the premise of keeping the voltage stable.

(e) D1-DN cascade: the cascaded function simulates a battery pack.

After 12V +/12-is input into the boosting module, the boosting module outputs a voltage V2 of 24 volts or higher, the voltage V2 is added between a current-limiting resistor R1 and a high-precision reference voltage-stabilizing tube D1, a current I flows from R1 to D1 through DN … … D2, and flows back to the boosting module H1, and under the condition that a plurality of milliamperes of current flows from BAT1+, BAT2+ … … BATN +, the BAT1+ to BATN + can still keep the voltage unchanged due to the voltage-stabilizing effect of the voltage-stabilizing tube, so that the characteristics of the battery are realized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An analog battery pack, comprising

The power input module (1), the output of power input module (1) is connected with the input of boost module (2), the output of boost module (2) is connected with current-limiting resistor R (3), current-limiting resistor R (3) with be provided with high accuracy benchmark zener diode module between boost module (2).

2. An analog battery pack as claimed in claim 1, characterised in that the voltage of the power input module (1) is 12V.

3. An analog battery pack as claimed in claim 1, wherein the high-precision reference voltage regulator tube module comprises n high-precision reference voltage regulator tubes (4), wherein n is a natural number greater than or equal to 1.

4. A simulation battery pack according to claim 3, wherein two ends of each high-precision reference voltage regulator tube (4) are connected with 2n contacts (5) through conducting wires, a battery is connected between the contacts (5), and n is a natural number greater than or equal to 1.

5. An analog battery pack as claimed in claim 4, characterised in that the connection between the high precision reference stabilivolt (4) and the contacts (5) follows the high precision reference stabilivolt (4) n connected to the contacts (5)2n by wires.