CN211351798U

CN211351798U - Emergency starting power supply with high safety performance

Info

Publication number: CN211351798U
Application number: CN202020402847.3U
Authority: CN
Inventors: 常海涛; 邵宇杰; 苏盛; 吴永灵
Original assignee: Fujian Nanping Nanfu Battery Co Ltd
Current assignee: Fujian Nanping Nanfu Battery Co Ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-08-25
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses an emergent starting power that security performance is high, including power host computer and intelligent storage battery clamp, the power host computer includes battery package and host circuit, install pressure sensor on the lateral wall of battery in the battery package of power host computer, the host circuit includes pressure acquisition circuit, and pressure sensor on the battery package communicates with the pressure acquisition circuit of host circuit, host computer MCU in proper order and connects. The utility model discloses a side wall mounting pressure sensor of each battery in the battery package to the response often, detect the swell condition of each battery in the battery package, if each battery produces the swell in the battery package and reaches certain degree, the start control MCU of battery clamp control circuit then controls intelligent battery clamp disconnection out of work, sends out to avoid taking place dangers such as power host combustion, shell melt, explosion, improves product security greatly, just the utility model relates to a simply, product reliability is high, and low in production cost has in popularization and use.

Description

Emergency starting power supply with high safety performance

Technical Field

The utility model relates to a power field especially relates to an emergency starting power supply that security performance is high.

Background

The emergency starting power supply comprises a power supply host and an intelligent storage battery clamp, and the power supply host is used as an energy storage and supply main body; the intelligent storage battery clamp is connected between the power supply host and the third-party equipment and is used as an electrified bridge during discharging. The power supply host of the emergency starting power supply comprises a battery pack and a host circuit board, wherein the battery pack is usually formed by connecting a plurality of batteries in series, and the battery pack of the popular portable emergency starting power supply in the market is mainly a lithium ion battery. The lithium ion battery has various potential safety hazards in the use process, such as safety problems of bulging, liquid leakage and the like, and in addition, the output current is very large when the emergency starting power supply is used, so that the lithium ion battery is easy to over-discharge, over-charge and over-temperature, and risks of spontaneous combustion, explosion and the like occur after the product is used for multiple times. The protection measures of the conventional emergency starting power supply are still stopped on the detection of voltage and current, so that the situations of overvoltage, undervoltage, overshoot and overdischarge are avoided, and the conventional emergency starting power supply cannot effectively detect the battery with normal voltage but swelling.

Disclosure of Invention

An object of the utility model is to provide an emergent starting power that security performance is high.

Realize the utility model discloses the technical scheme of purpose is: an emergency starting power supply with high safety performance comprises a power supply host and an intelligent battery clamp, wherein the power supply host comprises a battery pack and a host circuit, the host circuit comprises a power interface, a host MCU and a communication interface in communication connection with the host MCU, the battery pack is electrically connected with the power interface of the host circuit, the intelligent battery clamp comprises a double-wire cable and a battery clamp control circuit electrically connected with the double-wire cable, one end of the double-wire cable is a plug end, the other end of the double-wire cable is a battery clamp end, the battery clamp control circuit comprises a starting control MCU and a communication end in communication connection with the starting control MCU, during discharging, the plug end of the intelligent battery clamp is electrically connected with the power interface of the power supply host, the communication end of the intelligent battery clamp is in communication connection with the communication interface of the power supply host, a pressure sensor is mounted on the side wall of a battery in the battery pack of the power supply host, the host circuit, the pressure sensor, the pressure acquisition circuit and the host MCU are sequentially in communication connection, and when the pressure sensor works, the pressure sensor senses pressure signals between adjacent batteries in the battery pack at any time and converts the sensed pressure signals into electric signals; a pressure acquisition circuit of the host circuit acquires a pressure signal converted into an electric signal by the pressure sensor and transmits the pressure signal converted into the electric signal to the host MCU; the host MCU processes and analyzes the received pressure signal converted into the electric signal, judges whether the pressure signal value converted into the electric signal is larger than a preset value or not, codes a judgment result and sends the judgment result to a start control MCU of the intelligent storage battery clamp; the start control MCU receives a signal which is sent by the host MCU and is related to the pressure condition between adjacent batteries in the battery pack, and controls the working state of the intelligent battery clamp according to the signal, if the signal which is received by the start control MCU and is related to the pressure condition between adjacent batteries in the battery pack indicates that the pressure signal value between adjacent batteries in the battery pack is larger than a preset value in the host MCU, the start control MCU controls the intelligent battery clamp to be disconnected.

Furthermore, each pressure sensor is distributed among adjacent batteries in the battery pack and on the outer side wall of the edge battery. The arrangement can more comprehensively solve the bulge condition of each battery in the battery pack.

Furthermore, the host circuit also comprises a voltage acquisition circuit used for acquiring voltage signals of each battery in the battery pack, and the voltage acquisition circuit is in communication connection with the host MCU. During operation, the voltage signal of each battery in the battery package is gathered often to voltage acquisition circuit to voltage signal transmission who will gather gives host computer MCU, and host computer MCU handles, analysis, judgement to this voltage signal, and according to the operating condition of the emergent start power of the result control of judgement, if gather each battery voltage signal in the battery package too high or low excessively, then control emergent start power and cut off with external being connected, avoid overcharging, overdischarging.

Furthermore, the host circuit also comprises a temperature acquisition circuit used for acquiring temperature signals of each battery in the battery pack, and the temperature acquisition circuit is in communication connection with the host MCU. During operation, the temperature signal of each battery in the battery package is gathered often to the temperature acquisition circuit to the temperature signal who will gather sends for host computer MCU, and host computer MCU handles this temperature signal, analysis, judgement, and according to the operating condition of the emergent start power of result control of judgement, if gather each battery temperature signal in the battery package too high or low excessively, then control emergent start power and cut off with external being connected, avoid the too high and explosion's of emergent start power temperature in the use condition.

Furthermore, the host circuit of the power supply host also comprises a current acquisition circuit used for acquiring current signals of each battery in the battery pack, and the current acquisition circuit is in communication connection with the host MCU. When the emergency starting power supply works, the current acquisition circuit acquires voltage signals of each battery in the battery pack at any time and sends the acquired current signals to the host MCU, the host MCU processes, analyzes and judges the current signals and controls the working state of the emergency starting power supply according to the judgment result, if the current signals of each battery in the battery pack are acquired to be too large or too small, the emergency starting power supply is controlled to be disconnected with the outside, and the product is prevented from being damaged due to reverse connection and short circuit.

Furthermore, the host circuit further comprises a self-excitation active interface connected with the host MCU, the battery clamp control circuit of the intelligent battery clamp further comprises a self-activation end, the self-activation end is colloidal at the plug end of the double-wire cable, and during discharging, the self-activation end of the intelligent battery clamp is inserted into the self-excitation active interface of the power supply host. The utility model discloses, through set up the self-excited loose interface on power supply host computer, set up the self-activated end on the intelligence battery clamp, and the self-activated end on the intelligence battery clamp is in the same place with the plug end mucilage binding of double-wire cable, so when providing the power consumption for third party's equipment, insert the plug end of intelligence battery clamp double-wire cable in power supply host computer's power interface, when the plug end that realizes intelligence battery clamp double-wire cable is connected with power supply host computer's power interface electricity, the self-activated end that intelligence battery clamp inserts in power supply host computer's self-excited loose interface, activation host computer MCU, make power supply host computer start, be in the discharge mode. This emergency starting power that security performance is high, compare when the tradition discharges intelligent battery clamp and be connected the back with power host computer, need the manual emergency starting power who opens power host computer starting switch, it has avoided the operation of manual opening power host computer, only need carry out intelligent battery clamp double-wire cable's plug end insert in power host computer's power interface intraoral action can, just insert simultaneously in power host computer's self-excitation loose joint from the activation end of intelligent battery clamp, power host computer automatic activation is opened, its operation is simpler, and convenient, do benefit to popularization and use.

The utility model discloses emergent starting power that security performance is high, through the side wall mounting pressure sensor of each battery in the battery package to respond to often, detect the swell condition of each battery in the battery package, if each battery produces the swell in the battery package and reaches certain degree, the start control MCU of battery clamp control circuit then controls intelligent battery clamp disconnection out of work, sends out to avoid taking place the burning of power host computer, the shell melts dangers such as destroying, explosion, improves product security greatly, just the utility model relates to a simply, product reliability is high, and low in production cost is in popularization and use.

Drawings

Fig. 1 is a schematic structural diagram of an emergency starting power supply with high safety performance;

fig. 2 the utility model discloses emergency starting power that security performance is high's circuit structure schematic diagram.

Detailed Description

The following detailed description of the embodiments of the emergency starting power supply with high safety performance according to the present invention is made with reference to the accompanying drawings:

as shown in fig. 1 and fig. 2, an emergency starting power supply with high safety performance includes a power supply host 1 and an intelligent battery clamp 2, the power supply host 1 includes a battery pack 11 and a host circuit 12, the host circuit 12 includes a power interface 121, a host MCU 122, and a communication interface 123 communicatively connected to the host MCU 122, the battery pack 11 is electrically connected to the power interface 121 of the host circuit 12, the intelligent battery clamp 2 includes a two-wire cable 21 and a battery clamp control circuit 22 electrically connected to the two-wire cable 21, one end of the two-wire cable 21 is a plug end 211, the other end is a clamp end 212, the battery clamp control circuit 22 includes a starting control MCU 221, and a communication end 222 communicatively connected to the starting control MCU 221, when discharging, the plug end 211 of the intelligent battery clamp 2 is electrically connected to the power interface 121 of the power supply host 1, the communication end 222 of the intelligent battery clamp 2 is communicatively connected to the communication interface 123 of the power supply host 1, the side wall of the battery 110 in the battery pack 11 of the power supply host 1 is provided with a pressure sensor 111, the host circuit 12 further comprises a pressure acquisition circuit 124, the pressure sensor 111, the pressure acquisition circuit 124 and the host MCU121 are sequentially in communication connection, and when the power supply host 1 works, the pressure sensor 111 senses a pressure signal between adjacent batteries 110 in the battery pack 11 at any time and converts the sensed pressure signal into an electric signal; the pressure acquisition circuit 124 of the host circuit 12 acquires the pressure signal converted into the electrical signal by the pressure sensor 111, and transmits the pressure signal converted into the electrical signal to the host MCU 121; the host MCU121 processes and analyzes the received pressure signal converted into the electrical signal, determines whether the value of the pressure signal converted into the electrical signal is greater than a preset value, encodes the determination result, and sends the encoded result to the start control MCU 221 of the intelligent battery clamp 2; the start control MCU 221 receives the signal sent by the host MCU121 about the pressure between the adjacent batteries 110 in the battery pack 11, and controls the working state of the intelligent battery clamp 2 according to the signal, and if the signal received by the start control MCU 221 about the pressure between the adjacent batteries 110 in the battery pack 11 indicates that the pressure signal value between the adjacent batteries 110 in the battery pack 11 is greater than the preset value in the host MCU121, the start control MCU 221 controls the intelligent battery clamp 2 to be disconnected.

The utility model discloses emergent starting power that the security performance is high, power host 1's battery package 11 is the energy storage spare, and during discharging, power host 1's battery package 11 passes through power source 121, intelligent storage battery and presss from both sides 2 double-wire cable 21 and is connected with third party's equipment, for third party's equipment power supply. The host circuit 12 and the battery clamp control circuit 22 of the power host 1 are charge-discharge control and protection modules of the emergency starting power supply.

The utility model discloses emergent starting power that security performance is high, when providing the power consumption for third party's equipment and discharging, the communication end 222 of intelligence battery clamp 2 and the communication interface 123 communication connection back of power supply unit 1, the host computer MCU121 of power supply unit 1 and the start control MCU 221 of intelligence battery clamp 2 can communicate.

The utility model discloses emergency starting power that security performance is high, through side wall mounting pressure sensor 111 of each battery 110 in battery package 11, with respond to often, detect each battery 110's the swell condition in the battery package 11, if each battery 110 produces the swell and reaches a certain degree in the battery package 11, the start control MCU 221 of battery clamp control circuit 22 then controls that intelligent battery clamp 2 breaks off out of work, sends out and avoids taking place the burning of power host 1, the shell melts down, dangers such as explosion, improve product safety greatly, just the utility model relates to a simply, product reliability is high, low in production cost, be in popularization and use.

The utility model discloses emergent starting power that the security performance is high, preferably, each pressure sensor 111 distributes between the adjacent battery 110 in the battery package 11 and on the lateral wall of marginal battery 110. This arrangement makes it possible to more comprehensively and finely bulge each battery 110 in the battery pack 11.

The utility model discloses emergent starting power that the security performance is high, preferably, host computer circuit 12 still includes the voltage acquisition circuit 125 that is used for gathering each battery 110 voltage signal in the battery package 11, and voltage acquisition circuit 125 and host computer MCU121 communication are connected. During operation, the voltage acquisition circuit 125 acquires voltage signals of each battery 110 in the battery pack 11 at any time, and sends the acquired voltage signals to the host MCU121, the host MCU121 processes, analyzes and judges the voltage signals, and controls the working state of the emergency starting power supply according to the judgment result, if the voltage signals of each battery 110 in the battery pack 11 are acquired to be too high or too low, the emergency starting power supply is controlled to be cut off from the outside, and overcharge and overdischarge are avoided.

The utility model discloses emergent starting power that the security performance is high, preferably, host computer circuit 12 still includes the temperature acquisition circuit 126 that is used for gathering each battery 110 temperature signal in the battery package 11, and temperature acquisition circuit 126 and host computer MCU121 communication are connected. During operation, the temperature acquisition circuit 125 acquires the temperature signal of each battery 110 in the battery pack 11 at any time, and sends the acquired temperature signal to the host MCU121, the host MCU121 processes, analyzes and judges the temperature signal, and controls the working state of the emergency starting power supply according to the judgment result, if the temperature signal of each battery 110 in the battery pack 11 is acquired to be too high or too low, the emergency starting power supply is controlled to be cut off from the outside, and the situation that the emergency starting power supply is exploded due to too high temperature in the use process is avoided.

The utility model discloses emergent starting power that the security performance is high, preferably, the host computer circuit 12 of power host 1 still includes the electric current acquisition circuit 127 that is used for gathering each battery 110 current signal in the battery package 11, and electric current acquisition circuit 127 and host computer MCU121 communication are connected. When the emergency starting power supply works, the current acquisition circuit 127 acquires voltage signals of each battery 110 in the battery pack 11 at any time and sends the acquired current signals to the host MCU121, the host MCU121 processes, analyzes and judges the current signals and controls the working state of the emergency starting power supply according to the judgment result, and if the current signals of each battery 110 in the battery pack 11 are acquired to be too large or too small, the emergency starting power supply is controlled to be disconnected with the outside, so that the product is prevented from being damaged due to reverse connection and short circuit.

The utility model discloses emergent starting power that security performance is high, preferably, host computer circuit 12 still includes the self-activation interface 128 of being connected with host computer MCU121, and the battery clamp control circuit 22 of intelligence battery clamp 2 still includes from activating end 223, and from activating end 223 mucilage binding is in the plug end 211 of two-wire cable 21, and during discharge, the self-activation end 223 of intelligence battery clamp 2 inserts in the self-activation interface 128 of host computer 1. The utility model discloses, through set up on power supply unit 1 from activation interface 128, set up on the intelligence battery clamp 2 from activation end 223, and the self-activation end 223 on the intelligence battery clamp 2 is in the same place with the plug end 211 mucilage binding of double-wire cable 21, so when providing the power consumption for third party's equipment, insert the plug end 211 of intelligence battery clamp 2 double-wire cable 21 in power supply unit 1's power source 121, when realizing that the plug end 211 of intelligence battery clamp double-wire cable 21 is connected with power source unit 1's power source 121 electricity, the self-activation end 223 of intelligence battery clamp 2 inserts in power supply unit 1's self-activation interface 128, activation host computer MCU121, make power supply unit 1 start, be in the mode of discharging. This emergency starting power that security performance is high, compare when the tradition discharges intelligent battery clamp 2 and power host 1 and be connected the back, need the manual emergency starting power who opens power host 1 starting switch, it has avoided the operation of manual power host 1 that opens, only need carry on the action that plug end 211 of intelligent battery clamp double-wire cable 21 inserted in power host 1's power source 121 can, the self-activation end 223 of intelligent battery clamp 2 just inserts in power host 1's self-activation interface 128 simultaneously, power host 1 automatic activation is opened, its operation is simpler, and is convenient, do benefit to popularization and use.

The utility model discloses the emergent starting power that the security performance is high, battery clamp control circuit 22 also include voltage acquisition circuit, temperature acquisition circuit etc. usually to carry out safety control to discharging. As it belongs to the conventional technology, the utility model is not explained much.

The utility model discloses right the utility model belongs to the technical field of the ordinary skilled person, do not deviating from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides an emergency starting power that security performance is high, including power host and intelligent battery clamp, power host includes battery package and host circuit, host circuit includes power source, host MCU, and the communication interface who is connected with host MCU communication, battery package is connected with host circuit's power source electricity, intelligent battery clamp includes the double-wire cable and connects the battery clamp control circuit on the double-wire cable in the electricity, double-wire cable one end is the plug end, the other end is the battery clamp end, battery clamp control circuit is including start control MCU, and the communication end of being connected with start control MCU communication, when discharging, the plug end of intelligent battery clamp is connected with power host's power source electricity, the communication end of intelligent battery clamp is connected with power host's communication interface communication, a serial communication port, its characterized in that: the side wall of a battery in a battery pack of the power supply host is provided with a pressure sensor, the host circuit further comprises a pressure acquisition circuit, the pressure sensor, the pressure acquisition circuit and the host MCU are sequentially in communication connection, and when the power supply host works, the pressure sensor senses pressure signals between adjacent batteries in the battery pack at any time and converts the sensed pressure signals into electric signals; a pressure acquisition circuit of the host circuit acquires a pressure signal converted into an electric signal by the pressure sensor and transmits the pressure signal converted into the electric signal to the host MCU; the host MCU processes and analyzes the received pressure signal converted into the electric signal, judges whether the pressure signal value converted into the electric signal is larger than a preset value or not, codes a judgment result and sends the judgment result to a start control MCU of the intelligent storage battery clamp; the starting control MCU receives a signal which is sent by the host MC and is related to the pressure condition between adjacent batteries in the battery pack, and controls the working state of the intelligent battery clamp according to the signal.

2. The high-safety emergency starting power supply according to claim 1, wherein: each pressure sensor is distributed between adjacent batteries in the battery pack and on the outer side wall of the edge battery.

3. The high-safety emergency starting power supply according to claim 1, wherein: the host circuit also comprises a voltage acquisition circuit used for acquiring voltage signals of each battery in the battery pack, and the voltage acquisition circuit is in communication connection with the host MCU.

4. The high-safety emergency starting power supply according to claim 1, wherein: the host circuit also comprises a temperature acquisition circuit used for acquiring temperature signals of each battery in the battery pack, and the temperature acquisition circuit is in communication connection with the host MCU.

5. The high-safety emergency starting power supply according to claim 1, wherein: the host circuit of the power supply host further comprises a current acquisition circuit used for acquiring current signals of each battery in the battery pack, and the current acquisition circuit is in communication connection with the host MCU.

6. The high-safety emergency starting power supply according to claim 1, wherein: the host circuit further comprises a self-excitation loose interface connected with the host MCU, the battery clamp control circuit of the intelligent battery clamp further comprises a self-excitation end, the self-excitation end is glued at a plug end of the double-wire cable, and during discharging, the self-excitation end of the intelligent battery clamp is inserted into the self-excitation loose interface of the power supply host.