CN206332689U - A kind of Intelligent internet of things gateway with power-off protection function - Google Patents
A kind of Intelligent internet of things gateway with power-off protection function Download PDFInfo
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- CN206332689U CN206332689U CN201720045928.0U CN201720045928U CN206332689U CN 206332689 U CN206332689 U CN 206332689U CN 201720045928 U CN201720045928 U CN 201720045928U CN 206332689 U CN206332689 U CN 206332689U
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Abstract
The utility model discloses a kind of intelligent things gateway with power-off protection function; the intelligent things gateway is made up of gateway mainboard, rechargeable battery and charge-discharge protection circuit; wherein; charge-discharge protection circuit includes charging control switch, discharge control switch, battery protection chip and sampling resistor, and charging control switch includes charge switch diode, charge switch FET and recharge logic door；Discharge control switch includes discharge switch diode, discharge switch FET and electric discharge gate.By increasing charge-discharge protection circuit and rechargeable battery; the utility model can guarantee that all rechargeable batteries are full of in charging; it can support that Intelligent internet of things gateway works on a period of time after power-off; so as to help service end accurately to judge the working condition of Intelligent internet of things gateway, so that staff takes measures in time, it is to avoid loss of data; improve the reliability and stability of whole Internet of things system; it is with low cost with simple in construction, it is easy to the advantages of using.
Description
Technical field
The utility model is related to a kind of things-internet gateway, and in particular to a kind of Intelligent internet of things net with power-off protection function
Close, belong to Internet of Things correlative technology field.
Background technology
With the high speed development of wireless communication technology, mobile network's technology and electronic information technology, Internet of Things (The
Internet of Things) it is that " the connected internet of thing thing " arises at the historic moment, the important composition as generation information technology
Part, Internet of Things has two layers of meaning：First, the core of Internet of Things and basis are still internet, it is on Internet basic
Extension and the network of extension；Second, the extension of its user terminal and extend to enter between any article and article row information exchange and
Communication.In Internet of Things, by the agreement of agreement, any article and internet can be connected, with realize Weigh sensor,
Positioning, tracking, monitoring and management.It is logical its essence is using the cognition technology that communicate such as Intellisense, identification technology and general fit calculation
Cross computer internet realize article automatic identification and information interconnection with it is shared.Internet of Things is the important of " informationization " epoch
Developing stage, is referred to as the third wave that world information industry develops after computer, internet, gradually gos deep into people's
Daily life.
Things-internet gateway is important part in Internet of Things, mainly plays transfer sensor information and service end control information
Communication function, obtained universal promotion and application, still, existing things-internet gateway do not possess generally power-off after continue
The ability of work, after service end and things-internet gateway are out of touch, service end can not judge it is between things-internet gateway
The problem of network communication problem or things-internet gateway power-off cause, and then the working condition of things-internet gateway can not be judged.
The content of the invention
The problem of the utility model exists for above-mentioned prior art is made improvements there is provided a kind of with power-off protection function
Intelligent internet of things gateway, can still support Intelligent internet of things gateway work a period of time, help service end accurately to judge after a loss of power
The reason for failure, to take measures in time, it is to avoid loss of data.
In order to realize above-mentioned target, the technical scheme that the utility model is used is：
A kind of Intelligent internet of things gateway with power-off protection function, including gateway mainboard (1), charge-discharge protection circuit (2)
With several rechargeable batteries (3), wherein, the gateway mainboard (1) is connected with the charge-discharge protection circuit (2), the charging
It is connected after battery (3) is in parallel with the charge-discharge protection circuit (2), it is characterised in that
The charge-discharge protection circuit (2) includes charging control switch (4), discharge control switch (5), several batteries and protected
Protect chip (6) and several sampling resistors (7), wherein, the charging control switch (4) including charge switch diode (41),
Charge switch FET (42) and recharge logic door (43), the charge switch diode (41) imitate with the charge switch
Source electrode and the drain electrode that (42) should be managed are in parallel, the output stage of the recharge logic door (43) and the charge switch FET (42)
Grid connection；
The discharge control switch (5) includes discharge switch diode (51), discharge switch FET (52) and electric discharge
Gate (53), the discharge switch diode (51) is in parallel with the source electrode of the discharge switch FET (52) and drain electrode,
The output stage of the electric discharge gate (53) is connected with the grid of the discharge switch FET (52)；
The charging control switch (4) is connected with the discharge control switch (5), wherein, the charge switch diode
(41) negative pole of the positive pole correspondence rechargeable battery (3), the negative pole correspondence charging of the discharge switch diode (51)
The negative pole of battery (3)；
It is connected after the rechargeable battery (3) is in parallel with the sampling resistor (7) with the battery protection chip (6)；It is described
Input of the battery protection chip (6) respectively with recharge logic door (53) and the electric discharge gate (43) is connected.
The foregoing Intelligent internet of things gateway with power-off protection function, it is characterised in that the charge-discharge protection circuit (2)
Be connected with the gateway mainboard (1) by plug-in type connection terminal or the charge-discharge protection circuit (2) be directly integrated in it is described
On gateway mainboard (1).
The foregoing Intelligent internet of things gateway with power-off protection function, it is characterised in that the battery protection chip (6) with
The rechargeable battery (3) corresponds.
The foregoing Intelligent internet of things gateway with power-off protection function, it is characterised in that the battery protection chip (6) with
The sampling resistor (7) corresponds.
The foregoing Intelligent internet of things gateway with power-off protection function, it is characterised in that recharge logic door (43) is
With door or NAND gate.
The foregoing Intelligent internet of things gateway with power-off protection function, it is characterised in that described recharge logic Men Weiyu
When, electric discharge gate is NAND gate.
The foregoing Intelligent internet of things gateway with power-off protection function, it is characterised in that the recharge logic Men Weiyu is non-
Men Shi, electric discharge gate be and door.
Compared with prior art, the utility model has the advantage of：
(1) by increasing charge-discharge protection circuit and rechargeable battery, the utility model can ensure that all chargings in charging
Battery is full of；It can support that Intelligent internet of things gateway works on a period of time after a loss of power, so as to help service end accurate
The working condition for judging Intelligent internet of things gateway, be the communication disruption or intelligent things between service end and Intelligent Network GateWay
Net gateway is powered off, so that staff takes measures in time, it is to avoid loss of data；
(2) before electric quantity of rechargeable battery exhausts, the power supply of Intelligent internet of things gateway may recover normal, or by tieing up
Shield personnel take measures Intelligent internet of things gateway handoff to other emergency electric systems, so, the utility model can be carried significantly
The reliability and stability of high whole Internet of things system；
(3) it is with low cost, it is easy to the advantages of using with simple in construction.
Brief description of the drawings
Fig. 1 is the schematic diagram of the Intelligent internet of things gateway of the present utility model with power-off protection function；
Fig. 2 is the circuit theory diagrams under the charged state of Fig. 1 Intelligent internet of things gateway with power-off protection function；
Fig. 3 is the circuit theory diagrams under the discharge condition of Fig. 1 Intelligent internet of things gateway with power-off protection function.
Wherein：
1- gateway mainboard 2- charge-discharge protection circuits
3- rechargeable battery 4- charging control switches
41- charge switch diode 42- charge switch FETs
43- recharge logics door 5- discharge control switches
51- discharge switch diode 52- discharge switch FETs
53- electric discharge gate 6- battery protection chips
7- sampling resistors
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
Referring to Figures 1 and 2, the utility model includes gateway mainboard 1, charge-discharge protection circuit 2 and several rechargeable batteries
3, wherein, charge-discharge protection circuit 2 is connected with gateway mainboard 1, is connected after the parallel connection of rechargeable battery 3 with charge-discharge protection circuit 2.
Charge-discharge protection circuit 2 includes charging control switch 4, discharge control switch 5, three battery protection chips 6 and three
Individual sampling resistor 7, wherein, charging control switch 4 includes charge switch diode 41, a charge switch FET 42
With a recharge logic door 43, charge switch diode 41 is in parallel with the source electrode of charge switch FET 42 and drain electrode, charging
The output stage of gate 43 is connected with the grid of charge switch FET 42.Discharge control switch 5 includes a discharge switch
Diode 51, a discharge switch FET 52 and electric discharge gate 53, discharge switch diode 51 are imitated with discharge switch
Should pipe 52 source electrode and drain electrode it is in parallel, the output stage of electric discharge gate 53 is connected with the grid of discharge switch FET 52.
Charging control switch 4 is connected with discharge control switch 5, wherein, the positive pole of charge switch diode 41 is to inductive charging
The negative pole of battery 3, the negative pole of the negative pole correspondence rechargeable battery 3 of discharge switch diode 5.
Rechargeable battery 3 with being connected respectively with battery protection chip 6 after the parallel connection of sampling resistor 7, battery protection chip 6 respectively with
The input connection of gate 53 of discharging and recharge logic door 43.
As a kind of preferred scheme, charge-discharge protection circuit 2 is integrated on gateway mainboard 1, can so reduce production
Cost.
As a kind of preferred scheme, battery protection chip 6 is corresponded with rechargeable battery 3, and rechargeable battery 3 is by respective
Battery protection chip 6 is managed, it is to avoid individual devices fault impact other devices.
As a kind of preferred scheme, battery protection chip 6 is corresponded with sampling resistor 7, battery protection chip 6 with it is each
From sampling resistor 7 connect, it is to avoid individual devices fault impact other devices.
As a kind of preferred scheme, recharge logic door 43 is and door or NAND gate.
As a kind of preferred scheme, when recharge logic door 43 is with door, electric discharge gate is NAND gate.
As a kind of preferred scheme, when recharge logic door 43 is NAND gate, electric discharge gate is and door.
Operation principle：
By taking pmos type FET as an example, i.e., charge switch FET 42 and the grid of discharge switch FET 52 add low
Its source electrode and gate turn-on during level.When setting rechargeable battery 3 is fully charged, battery protection chip 6 is output as high level, charging
Battery 3 reaches that discharge electrode is prescribed a time limit, and battery protection chip 6 is output as low level.Now, recharge logic Men Weiyu, electric discharge is patrolled
It is NAND gate to collect door.
When rechargeable battery 3 charges, the sense of current as shown in Figure 2, the discharge switch diode in discharge control switch 5
51 are operated in short-circuit condition, and discharge control switch 5 is in the conduction state；The work of charge switch diode 41 of charging control switch 4
Make in off position, the output level whether turned on by its grid level i.e. with door 43 of charge switch FET 42 is controlled.
Now, battery protection chip 6 obtains the charged state of each rechargeable battery 3 by sampling resistor 7, when some rechargeable battery 3 fills
Man Shi, the corresponding output of battery protection chip 6 high level gives the input of door 43, according to the logic behaviour with door 43,
Only after all rechargeable batteries 3 are filled with, i.e., output level when all inputs with door 43 are all high level with door 43
High level can be just changed into from low level, the source electrode of charge switch FET 42 and drain electrode were charged in the state being not turned on
Journey terminates.
When rechargeable battery 3 start electric discharge when, the sense of current as shown in Figure 3, the charge switch two in charging control switch 4
Pole pipe 41 is operated in short-circuit condition, and charging control switch 4 is in the conduction state；The discharge switch diode of discharge control switch 5
51 work in off position, discharge switch FET 52 whether turn on by its grid level be NAND gate 53 output level
Control, now, battery protection chip 6 obtains the discharge condition of each rechargeable battery 3, each battery protection by sampling resistor 7
Output of the chip 6 to NAND gate 53 is high level, and NAND gate 53 is output as low level, the grid of discharge switch FET 52
Extremely upper is low level, and the source electrode of discharge switch FET 52 and drain electrode are in the conduction state, are put when some rechargeable battery 3 reaches
During electric limit, corresponding battery protection chip 6 exports input of the low level to NAND gate 53, according to patrolling for NAND gate 53
Characteristic is collected, as long as have an input for low level, the output of NAND gate 53 can be changed into high level, discharge switch from low level
The source electrode of FET 52 and drain electrode are in the state being not turned on, and discharge process terminates.
When using nmos type FET when, still set with rechargeable battery 3 it is fully charged when, battery protection chip 6 it is defeated
Go out for high level, rechargeable battery 3 reaches that discharge electrode is prescribed a time limit, and battery protection chip 6 is output as low level.Now recharge logic door
For NAND gate, electric discharge gate is and door.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modifications, equivalent substitutions and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (7)
1. a kind of Intelligent internet of things gateway with power-off protection function, including gateway mainboard, charge-discharge protection circuit and several
Rechargeable battery, wherein, the gateway mainboard is connected with the charge-discharge protection circuit, is filled after the rechargeable battery is in parallel with described
Discharge protection circuit is connected, it is characterised in that
The charge-discharge protection circuit includes charging control switch, discharge control switch, several battery protection chips and some
Individual sampling resistor, wherein,
The charging control switch includes charge switch diode, charge switch FET and recharge logic door, the charging
Switching diode is in parallel with the source electrode of the charge switch FET and drain electrode, the output stage of recharge logic door with it is described
The grid connection of charge switch FET；
The discharge control switch includes discharge switch diode, discharge switch FET and electric discharge gate, the electric discharge
Switching diode is in parallel with the source electrode of the discharge switch FET and drain electrode, it is described electric discharge gate output stage with it is described
The grid connection of discharge switch FET；
The charging control switch is connected with the discharge control switch, wherein, the positive pole correspondence of the charge switch diode
The negative pole of the rechargeable battery, the negative pole of the negative pole correspondence rechargeable battery of the discharge switch diode；
It is connected after the rechargeable battery is in parallel with the sampling resistor with the battery protection chip；The battery protection chip point
Input not with recharge logic door and the electric discharge gate is connected.
2. a kind of Intelligent internet of things gateway with power-off protection function according to claim 1, it is characterised in that described to fill
Discharge protection circuit is connected with the gateway mainboard by plug-in type connection terminal or the charge-discharge protection circuit is directly integrated
On the gateway mainboard.
3. a kind of Intelligent internet of things gateway with power-off protection function according to claim 1, it is characterised in that the electricity
Chip is protected to be corresponded with the rechargeable battery in pond.
4. a kind of Intelligent internet of things gateway with power-off protection function according to claim 1, it is characterised in that the electricity
Chip is protected to be corresponded with the sampling resistor in pond.
5. a kind of Intelligent internet of things gateway with power-off protection function according to claim 1, it is characterised in that described to fill
Electric gate be and door or NAND gate.
6. a kind of Intelligent internet of things gateway with power-off protection function according to claim 5, it is characterised in that described to fill
When electric gate is with door, electric discharge gate is NAND gate.
7. a kind of Intelligent internet of things gateway with power-off protection function according to claim 5, it is characterised in that described to fill
When electric gate is NAND gate, electric discharge gate is and door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720045928.0U CN206332689U (en) | 2017-01-16 | 2017-01-16 | A kind of Intelligent internet of things gateway with power-off protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720045928.0U CN206332689U (en) | 2017-01-16 | 2017-01-16 | A kind of Intelligent internet of things gateway with power-off protection function |
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| Publication Number | Publication Date |
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| CN206332689U true CN206332689U (en) | 2017-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720045928.0U Active CN206332689U (en) | 2017-01-16 | 2017-01-16 | A kind of Intelligent internet of things gateway with power-off protection function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046145A1 (en) * | 2022-08-30 | 2024-03-07 | 华为技术有限公司 | Power supply system, battery and electronic device |
-
2017
- 2017-01-16 CN CN201720045928.0U patent/CN206332689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046145A1 (en) * | 2022-08-30 | 2024-03-07 | 华为技术有限公司 | Power supply system, battery and electronic device |
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