CN218849690U

CN218849690U - Battery device of mining intrinsic safety type robot

Info

Publication number: CN218849690U
Application number: CN202223229765.1U
Authority: CN
Inventors: 龙庆华; 刘峰波; 严浩; 王翰坤
Original assignee: Shaanxi Coal Group Huangling Jianzhuang Mining Co ltd
Current assignee: Shaanxi Coal Group Huangling Jianzhuang Mining Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-04-11
Anticipated expiration: 2032-12-02

Abstract

The utility model provides a battery device of mining ann's type robot, include: the quick-change type battery pack, the power management circuit and the intrinsic safety power module are arranged in the quick-change type box body, all devices in the quick-change type box body, power switch pins and contact connector pins are encapsulated by epoxy resin pouring sealant, a positioning slideway and a locking switch are arranged on the quick-change type box body, the outer portion of the quick-change type box body is matched with a positioning clamping groove of a mining intrinsic safety robot through the positioning slideway to achieve a positioning effect, and the quick-change type box body moves along the positioning clamping groove of the robot until the locking switch is automatically closed to complete the fixation of the battery device and the robot. The utility model has the characteristics of small, light in weight, change convenience, output safety, output able to programme etc, it is applicable in explosive gas environments such as colliery to cooperate mining ann's type robot.

Description

Battery device of mining intrinsic safety type robot

Technical Field

The utility model relates to a mining ann's type robot power supply technical field, a battery device of mining ann's type robot specifically says so.

Background

In order to meet the national deployment requirement of 'robot replacement' in a coal mine, coal mine safety risks can be fundamentally solved, the coal industry is promoted to realize high-quality development, a new-era coal mining technical revolution is led, more and more underground coal mine robots are applied to the coal mine environment in recent years, most of the existing intrinsic safety robots adopt integrated battery devices, the maintenance and replacement are complex on the premise that the underground coal mine cannot be charged, and the production efficiency is influenced once the battery devices are in failure.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a small, low power dissipation, change the battery device that convenient and programmable output set up, wherein the biggest advantage can be according to the power supply demand of different ann type robots, set up the output quantity of output ann power and detect output state and use in order to satisfy different grade type ann type robot design.

The technical scheme of the utility model is that: a battery apparatus for a mining intrinsically safe robot, comprising: the quick-change type battery pack, the power management circuit and the intrinsic safety power module are arranged in the quick-change type box body, all devices and power switch pins in the quick-change type box body and contact connector pins are encapsulated by epoxy resin pouring sealant, a positioning slideway and a locking switch are arranged on the quick-change type box body, the outside of the quick-change type box body is matched with a positioning clamping groove of a mining intrinsic safety robot through the positioning slideway to achieve a positioning effect, and the quick-change type box body moves along the positioning clamping groove of the intrinsic safety robot until the locking switch is automatically closed to complete the fixation of the battery device and the robot.

Preferably, the lithium battery pack comprises a lithium iron phosphate battery pack and a battery management system with the functions of single battery overcharge voltage protection, single battery overdischarge voltage protection, charge overcurrent protection, discharge overcurrent protection and output short circuit protection.

Preferably, the power management circuit is composed of an intrinsically safe switch circuit, a charging control circuit, a discharging control circuit and an intrinsically safe communication circuit, the intrinsically safe switch circuit is connected with the power switch, the charging control circuit is connected with a discharging interface of the battery management system, and the intrinsically safe communication circuit is communicated with the intrinsically safe robot.

Preferably, the intrinsically safe switch circuit is composed of a switch chip U3 model 9325, a current limiting resistor R6, voltage stabilizing diodes DZ2 and DZ3, a rectifier diode D11 and a filter capacitor C5.

Preferably, the charging control circuit consists of relays K1 and K2, rectifier diodes D7, D8, D9 and D10, a P-type MOS transistor Q3 model 06DN56, a voltage regulator diode D12 and a voltage dividing resistor R18.

Preferably, the discharge control circuit consists of a chip U1 model PCA9554A, a resistor exclusion RP1 and a dial switch S1.

Preferably, the intrinsically safe communication circuit consists of a chip U6 model TD301M485, voltage stabilizing diodes D19, D20, D21 and D22, fuses F2 and F3 and current limiting resistors R16 and R17.

Preferably, the output of the intrinsically safe power supply module comprises two voltage levels of 12V and 5V.

Preferably, the quick-change box body is made of flame-retardant antistatic ABS plastic.

The utility model has the advantages that: this battery device can all reach the intrinsic safety requirement through restriction total battery energy messenger power output, switch node, communication interface under the colliery explosive gas atmosphere in the pit, and the quantity and the voltage class of power output programmable control output simultaneously in addition the quick replacement mode of battery device mechanical structure design has small, light in weight, but quick replacement's characteristics, is applicable to the intrinsic safety type robot of different grade type.

Drawings

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

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

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic diagram of the module structure of the present invention;

FIG. 5 is a schematic diagram of the power management circuit of the present invention;

FIG. 6 is a schematic diagram of the intrinsically safe switch circuit of the present invention;

fig. 7 is a schematic diagram of a charging control circuit of the present invention;

FIG. 8 is a schematic diagram of a discharge control circuit of the present invention;

fig. 9 is a schematic diagram of the intrinsically safe communication circuit of the present invention.

In the figure: 1. a quick-change box body; 2. a locking switch; 3. a power switch; 4. a contact blade connector; 5. positioning the slideway; 6. an intrinsic safety power supply module; 7. a power management circuit; 8. a lithium battery pack; 9. a lithium iron phosphate battery pack; 10. a battery management system; 11. an intrinsically safe switching circuit; 12. a charge control circuit; 13. a discharge control circuit; 14. this ampere of communication circuit.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1-3, a battery device of a mining intrinsically safe robot comprises a quick-change box body 1, a lithium battery pack 8, a power management circuit 7, an intrinsically safe power module 6, a power switch 3 and a contact connector 4; lithium battery pack 8 is arranged in quick-change box 1, power management circuit 7 and intrinsic safety power module 6, all devices and power switch 3 pins in quick-change box 1 and contact connector 4 pins are encapsulated by epoxy resin pouring sealant, positioning slideway 5 and locking switch 2 are arranged on quick-change box 1, the exterior of quick-change box 1 is matched with a positioning slot of a mining intrinsic safety robot through positioning slideway 5 to achieve positioning effect, quick-change box 1 moves along the positioning slot of the intrinsic safety robot until locking switch 2 is automatically closed to complete the fixation of the battery device and the robot, the electrified parts such as contacts of external power switch and contact connector of quick-change box 1 all meet the application of coal mine environment, and the requirements of I-type explosion prevention are met, and the quick-change box is made of flame-retardant anti-static ABS plastic.

The intrinsically safe power module 6 output contains two voltage levels of 12V and 5V and meets the Ex ib immb safety level.

As shown in fig. 4 and 5, the lithium battery pack 8 is composed of a lithium iron phosphate battery pack 9 and a battery management system 10, wherein the implementation rule "battery and battery pack general requirement" of ABGZ-MK-08-2017-01 mining product safety sign audit release specifies that intrinsically safe devices should use lithium ion storage batteries with monomer capacity not exceeding 10Ah and total energy should not exceed 100Wh; the battery management system 10 has the functions of cell overcharge voltage protection, cell overdischarge voltage protection, charge overcurrent protection, discharge overcurrent protection, and output short circuit protection.

The power management circuit 7 is composed of an intrinsic safety switch circuit 11, a charging control circuit 12, a discharging control circuit 13 and an intrinsic safety communication circuit 14, the intrinsic safety switch circuit 11 is connected with the power switch 3, the charging control circuit 12 is connected with a discharging interface of the battery management system 10, and the intrinsic safety communication circuit 14 is communicated with the intrinsic safety robot.

As shown in fig. 6, the intrinsically safe switch circuit 11 is composed of a switch chip U3 model 9325, a current limiting resistor R6, a zener diode DZ2, DZ3, a rectifier diode D11, and a filter capacitor C5, wherein pin 3 of U3 is connected to the negative electrodes of DZ2 and DZ3 after passing through R6, and is connected to one of the pins of C5 and one of the pins of the power switch 3 after passing through D11, and the other pins of the power switch 3, C5 and DZ2, DZ3 are respectively connected to the negative electrode of the battery.

This embodiment of the embodiment 3 foot connecting resistance R6 of this ampere of switch circuit switch control chip U3 play the current-limiting effect, then link to each other with 2 zener diode DZ2 that connect in parallel, DZ 3's negative pole again and play steady voltage guard action, establish ties rectifier diode D11 again and prevent that external power from inserting and burning out chip U3, then can play the shake of disappearing, the effect that the button triggered by mistake with switch kneck parallel filter capacitance C5 again.

As shown in fig. 7, the charging control circuit is composed of relays K1 and K2, rectifier diodes D7, D8, D9, D10, P-type MOS transistors Q3 model 06DN56, voltage regulator diodes D12, and voltage divider resistors R18, wherein a coil pin 1 of K1 is connected to D7, a cathode of D8 and an external trigger signal OUT, a pin 5 is connected to a positive electrode of D9, a positive electrode of D10 and a negative electrode of power supply CGND, a contact pin 3 of K1 is connected to a pin S of Q3, a contact pin 2 of K1 is connected to a positive electrode of external charging, a coil pin 1 of K2 is connected to a negative electrode of D7, D8 and an external trigger signal OUT, a pin 5 is connected to a positive electrode of D9 and a positive electrode of D10, a pin 3 of K2 is connected to a negative electrode of lithium battery pack, a contact pin 2 of K2 is connected to a negative electrode of external charging, a pin S of Q3 is connected to a negative electrode of D12, a pin G of Q3 is connected to a positive electrode of D12 and a pin of R18, a D3 is connected to a positive electrode of lithium battery pack, and another pin of R18 is connected to a battery pack.

The charge control circuit in this embodiment is connected with the interface positive pole that charges and negative pole respectively by relay K1, K2 public end, and relay K1's normally open point links to each other with the battery positive pole behind the MOS pipe, and relay K2 normally open point links to each other with the negative pole of battery, guarantees that the interface contact that charges is kept apart completely with the battery, because the interface that charges adopts dedicated protection interface, so can not charge when there is not dedicated battery charging outfit, has guaranteed the security of the operation of discharging in the pit.

As shown in fig. 8, the discharge control circuit is composed of a chip U1 model PCA9554A, a resistor bank RP1 and a dial switch S1, wherein

RP1 pins

7, 8, 9 and 10 are connected to a power supply +5V,

pins

2, 3 and 4 are respectively connected to

U1 pins

1, 2 and 3 and

S1 pins

6, 5 and 4,

S1 pins

1, 2 and 3 are negatively connected to the power supply,

U1 pins

5, 6, 7, 9, 10 and 11 are respectively connected to a control pin of the power supply module, and

U1 pins

14 and 15 are connected to the control chip.

In the discharge control circuit in the embodiment, IIC communication is performed between the chip U1 type PCA9554A and the internal control MCU, the enable pins of the power module are controlled in a programmable mode, the number of the output power supplies and the output level of the voltage are selectively output, and the internal resistance of the discharge control circuit is increased by the dial switch S1 to edit the address of the discharge control panel, so that the purpose of expanding the discharge control circuit is achieved.

As shown in fig. 9, the intrinsically safe communication circuit is composed of a chip U6 model TD301M485, zener diodes D19, D20, D21, D22, fuses F2, F3, and current limiting resistors R16, R17.

U6 pin

1, 2 are connected with MCU communication pin respectively, and pin 6 links to each other with diode D19, D21 negative pole, then with external interface connection behind series connection fuse F2, current limiting resistor R16, and in the same way, pin 7 links to each other with diode D29, D20 negative pole, then with external interface connection behind series connection fuse F3, current limiting resistor R17, D19, D21 positive pole and D29, D20 positive pole are connected simultaneously.

In this embodiment, the intrinsically safe communication circuit chip U6 has an isolation function, and then, through respectively adding dual voltage stabilization protection to the output signal twisted pair, the fuse and the current limiting resistor are respectively connected in series on the signal line to play a role in current limiting, so that the intrinsic safety performance of the output signal of the battery device can be guaranteed after the protection is added, and data exchange with the intrinsically safe robot can be reliably performed.

In the specific implementation method of the present invention, a number of specific details regarding device composition and intrinsic safety circuit processing are described. Embodiments of the present invention may be practiced without these specific details. Other modifications and equivalents of the technical solution of the present invention, which may occur to those skilled in the art, are also within the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A battery device of a mining intrinsic safety type robot comprises: quick-change box (1), lithium cell group (8), power management circuit (7), this ampere of power module (6), switch (3) and contact connector (4), its characterized in that: lithium cell group (8), power management circuit (7), ann power module (6) are equipped with to quick-change box (1) inside, all inside devices of quick-change box (1) and switch (3) pin and contact connector (4) pin adopt epoxy resin casting glue to seal, be provided with location slide (5) and locking switch (2) on quick-change box (1), quick-change box (1) outside reaches the positioning action through location slide (5) and mining ann's robot positioning card groove cooperation, quick-change box (1) remove until locking switch (2) automatic closure accomplishes fixing of battery device and robot.

2. The battery device of the mining intrinsically safe robot as claimed in claim 1, wherein: the lithium battery pack (8) is composed of a lithium iron phosphate battery pack (9) and a battery management system (10) with the functions of single battery overcharge voltage protection, single battery overdischarge voltage protection, charge overcurrent protection, discharge overcurrent protection and output short circuit protection.

3. The battery device of the mining intrinsically safe robot as claimed in claim 2, wherein: the power management circuit (7) is composed of an intrinsic safety switch circuit (11), a charging control circuit (12), a discharging control circuit (13) and an intrinsic safety communication circuit (14), the intrinsic safety switch circuit (11) is connected with the power switch (3), the charging control circuit (12) is connected with a discharging interface of the battery management system (10), and the intrinsic safety communication circuit (14) is communicated with the intrinsic safety robot.

4. The battery device of the mining intrinsically safe robot of claim 3, wherein: the intrinsic safety switch circuit (11) is composed of a switch chip U3 model 9325, a current limiting resistor R6, voltage stabilizing diodes DZ2 and DZ3, a rectifier diode D11 and a filter capacitor C5.

5. The battery device of the mining intrinsically safe robot as claimed in claim 3, wherein: the charging control circuit (12) is composed of relays K1 and K2, rectifier diodes D7, D8, D9 and D10, a P-type MOS transistor Q3 model 06DN56, a voltage stabilizing diode D12 and a divider resistor R18.

6. The battery device of the mining intrinsically safe robot as claimed in claim 3, wherein: the discharge control circuit (13) consists of a chip U1 model PCA9554A, a resistor exclusion RP1 and a dial switch S1.

7. The battery device of the mining intrinsically safe robot as claimed in claim 3, wherein: the intrinsic safety communication circuit (14) is composed of a chip U6 model TD301M485, voltage stabilizing diodes D19, D20, D21 and D22, fuses F2 and F3 and current limiting resistors R16 and R17.

8. The battery device of the mining intrinsically safe robot as claimed in claim 1, wherein: the output of the intrinsic safety power supply module (6) contains two voltage levels of 12V and 5V.

9. The battery device of the mining intrinsically safe robot as claimed in any one of claims 1 to 8, wherein: the quick-change box body (1) is made of flame-retardant antistatic ABS plastic.