CN206162122U - Gate formula circuit switching device - Google Patents
Gate formula circuit switching device Download PDFInfo
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- CN206162122U CN206162122U CN201621083737.5U CN201621083737U CN206162122U CN 206162122 U CN206162122 U CN 206162122U CN 201621083737 U CN201621083737 U CN 201621083737U CN 206162122 U CN206162122 U CN 206162122U
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Abstract
The utility model discloses a gate formula circuit switching device, including MCU processing ware and relay drive main circuit, and with reset circuit and data memory cell that the MCU processing ware meets, the input termination of MCU processing ware has AD converting circuit and keying circuit, the output termination of MCU processing ware has display, indicator lamp circuit, buzzing warning circuit and infrared emission circuit, AD converting circuit's input termination has proximity switch circuit, infrared receiving circuit's output termination has relay drive circuit, and the relay uses as the master switch of family's circuit, the utility model relates to a novelty, simple structure has the function of opening or turn -offing through entry door's on and off control family circuit switch, and safe and reliable effectively protects the safe handling of family's circuit, and the practicality is strong.
Description
Technical field
The utility model belongs to daily living article technical field, and in particular to a kind of door-controlled type circuit switchgear.
Background technology
Electric energy greatly facilitates our life as the main energy sources in our daily lifes.With all kinds of family expenses
Electrical equipment is more and more, and the load of home circuit is also continuously increased, and all kinds of electric faults increase therewith, and such as home circuit circuit is old
The problems such as change, line-internal failure, short trouble and earth fault, brings many potential safety hazards to our life, especially
Where the resident populations such as students' dormitory, hotel are numerous, usually have because the fire of electric leakage initiation, the person for giving people
Safety and property safety cause immeasurable loss.It is central the reason for causing these potential safety hazards, forget to close some
The power supply (such as electric blanket, immersion heater) of high-power electric appliance becomes causes the one of the main reasons of these potential safety hazards.Therefore,
Nowadays lack a kind of home circuit management system that can be switched on or off automatically, remove people's duplicate removal again after being away from home from
The problem for considering whether again to already switch off power supply.The design is integrated on entering house door by the controller for switching home circuit,
Being switched on or off for home circuit is controlled so that the switching signal of door is converted into suitable electric signal.So, just existing
It is some to need manually operated physical switch to be converted to the digital switch by infrared control, the opening and closing by door can be reached
The open and close controlling to home circuit master switch is realized, removes the worry after user gos out from；The design can also be realized in user
Electric energy is saved when staying out, the purpose of protection home circuit safety and energy saving has been reached.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided one kind gate
Formula circuit switchgear, it is novel in design rationally, and simple structure is switched on or off home circuit with by the opening and closing of entering house door
The function of master switch, safe and reliable, the probability caused danger when effectively reducing in family nobody is practical, is easy to popularization to make
With.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of door-controlled type circuit switchgear,
It is characterized in that：Including processor of single chip computer and relay driving main circuit, and with answering that the processor of single chip computer connects
Position circuit and data storage cell, the input of the processor of single chip computer is terminated with A/D change-over circuits and key circuit, the list
The output of piece machine processor is terminated with display, indicator light circuit, buzzing alert circuit and infrared transmitting circuit, and the A/D turns
The input for changing circuit is terminated with proximity switch circuit, and the infrared transmitting circuit is matched with the infrared receiving circuit and used, institute
The output end for stating infrared receiving circuit connects with the input of the relay drive circuit, the relay drive circuit connection
To electromagnetic relay, electromagnetic relay is used as the total control switch of home circuit；The processor of single chip computer is
STC89C52 single-chip microcomputers；The A/D change-over circuits include chip ADC0804, and the 1st pin of the chip ADC0804, the 2nd are drawn
Pin and the 3rd pin the 15th pin respectively with STC89C52 single-chip microcomputers, the 17th pin and the 16th pin connect, the chip
A the 4th pin output point two-way of ADC0804, leads up to resistance R1 and connects with the 19th pin of chip ADC0804, another road and
One end of nonpolar electric capacity C2 connects；The other end ground connection of nonpolar electric capacity C2, the 6th pin and the electricity of the chip ADC0804
One end of resistance R6 connects, and the 7th pin of the chip ADC0804, the 8th pin and the 10th pin are grounded, the chip
The 9th pin input point two-way of ADC0804, connects all the way with one end of resistance R9, and another road connects with one end of resistance R8；Electricity
The other end of resistance R8 connects with 5V power output ends, the other end ground connection of resistance R9, the 18th pin of the chip ADC0804,
17th pin, the 16th pin, the 15th pin, the 14th pin, the 13rd pin, the 12nd pin and the 11st pin respectively with STC89C52
21st pin of single-chip microcomputer, the 22nd pin, the 23rd pin, the 24th pin, the 25th pin, the 26th pin, the 27th pin and the 28th
Pin connects, and the 20th pin of the chip ADC0804 connects with 5V power output ends；The indicator light circuit is by light-emitting diodes
Pipe D2, light emitting diode D3, resistance R10 and resistance R11 composition, negative electrode and the STC89C52 single-chip microcomputers of the light emitting diode D2
The 8th pin connect, the anode of light emitting diode D2 connects with one end of resistance R10, the negative electrode of the light emitting diode D3 with
7th pin of STC89C52 single-chip microcomputers connects, and the anode of light emitting diode D3 connects with one end of resistance R11, and resistance R10's is another
The other end of one end and resistance R11 connects with 5V power output ends.
A kind of above-mentioned door-controlled type circuit switchgear, it is characterised in that：The proximity switch circuit includes proximity switch
K2, the 1st pin of the proximity switch K2 connects with 24V power output ends, the 2nd pin of the proximity switch K2 with by electricity
One end of resistance R6 connects with the 6th pin of A/D change-over circuit chip ADC0804, the 3rd pin ground connection of the proximity switch K2.
A kind of above-mentioned door-controlled type circuit switchgear, it is characterised in that：The infrared transmitting circuit includes triode Q4
With infrared transmitting tube D5, the base stage of the triode Q4 is divided into two-way, leads up to the 3rd of resistance R15 and processor of single chip computer the
Pin connects, and separately leads up to resistance R13 and connects with 5V power output ends, and emitter stage and the 5V power supplys of the triode Q4 are exported
End connects, and the colelctor electrode of the triode Q4 is connected by resistance R16 with the positive pole of infrared transmitting tube D5, the infrared transmitting tube
The minus earth of D5.
A kind of above-mentioned door-controlled type circuit switchgear, it is characterised in that：The infrared receiving circuit includes infrared receiver
Pipe D4, the plus earth of the infrared receiving tube D4, the negative pole of described infrared receiving tube D4 is divided into two-way, leads up to resistance R7
Connect with triode Q1 in relay drive circuit, another road connects with one end of resistance R14, the other end of resistance R14 is divided into
Two-way, connects all the way with 5V power supplys, separately leads up to electric capacity C5 ground connection.
A kind of above-mentioned door-controlled type circuit switchgear, it is characterised in that：The relay drive circuit includes that hilted broadsword is double
Relay K1, triode Q1 and diode D1 are thrown, the movable contact of the single-pole double-throw relay K1 connects the zero of mains electricity
Line N and live wire L, one end input point two-way of the coil of the single-pole double-throw relay K1, all the way with 24V power output end phases
Connect, another road connects with the colelctor electrode of triode Q1；The base stage of the triode Q1 is connected by resistance R7 one end, resistance R7's
The other end is divided into two-way, connects with the output end of infrared receiving circuit all the way, separately leads up to resistance R4 and connects with 5V power supplys, institute
The negative pole for stating diode D1 connects with 24V power supplys, and the positive pole of the diode D1 connects with the colelctor electrode of diode Q1.
A kind of above-mentioned door-controlled type circuit switchgear, it is characterised in that：The buzzing alert circuit include buzzer FM,
The positive input terminal of triode Q2 and button S1, the buzzer FM+connect with one end of button S1, the other end and 5V of button S1
Power output end connects, the negative input end of the buzzer FM-connect with the emitter stage of triode Q2, the base stage of triode Q2 with
10th pin of STC89C52 single-chip microcomputers connects, the grounded collector of triode Q4.
The utility model has compared with prior art advantages below：
1st, the utility model automatically opens up or cuts off the master switch of home circuit by the opening and closing signal of entering house door, it is ensured that
In family nobody when home circuit shut-off, will not because short trouble or circuit are overheated initiation potential, the degree of accuracy is high, circuit letter
It is single.
2nd, the utility model drives relay drive circuit by the cooperation of infrared transmitting circuit and infrared receiving circuit,
Relay drive circuit drives relay to control opening or turning off for home circuit master switch, infrared emission receiving circuit
With accurate, radiation intensity height, good reliability.Give the drive signal of relay accurately, relay precision maneuver is can guarantee that, to reach
To the utility model function.
3rd, the utility model has flexible mode of operation, and user can be allowed independently to choose whether to enable the system, and has
There is system failure warning function.Working state of system can in real time show, check for user that electricity is reminded in buzzing by display
Road arranges key switch and can choose whether to need prompting, and the purpose of do so is to prevent buzzer from bothering use in some cases
Family, complete function, using effect is good.
4th, the utility model is novel in design rationally, and simple structure, low cost is simple to operate, practical, is easy to popularization to make
With.
In sum, the utility model is novel in design rationally, simple structure, the function with management home circuit, family
During circuit malfunctions, system can rapidly cut off circuit, and safe and reliable, effective protection is practical, is easy to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model processor of single chip computer.
Fig. 3 is the circuit theory diagrams of the utility model proximity switch circuit.
Fig. 4 is the circuit theory diagrams of the utility model A/D change-over circuits.
Fig. 5 is the circuit theory diagrams of the utility model infrared transmitting circuit.
Fig. 6 is the circuit theory diagrams of the utility model infrared receiving circuit.
Fig. 7 is the circuit theory diagrams of the utility model indicator light circuit.
Fig. 8 is the circuit theory diagrams of the utility model buzzing alert circuit.
Fig. 9 is the circuit theory diagrams of the utility model relay drive circuit.
Description of reference numerals：
1- proximity switch circuits；2-A/D change-over circuits；3- processor of single chip computer；
4- infrared transmitting circuits；5- infrared receiving circuits；6- relay drive circuits；
7- key circuits；8- reset circuits；9- data storages；
10- displays；11- indicator light circuits；12- buzzing alert circuits.
Specific embodiment
As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6 and Fig. 9, the utility model includes processor of single chip computer 3 and relay driving master
Circuit 6, and the reset circuit 8 that connects with the processor of single chip computer 3 and data storage cell 9, the processor of single chip computer 3
Input be terminated with A/D change-over circuits 2 and key circuit 7, the output of the processor of single chip computer 3 is terminated with display 10, refers to
Indication lamp circuit 11, buzzing alert circuit 12 and infrared transmitting circuit 4, the input of the A/D change-over circuits 2 is terminated with proximity switch
Circuit 1, the infrared transmitting circuit 4 is matched with the infrared receiving circuit 5 and used, the output end of the infrared receiving circuit 5
Connect with the input of the relay drive circuit 6, the relay drive circuit 6 is connected to electromagnetic relay, electromagnetism after
Electrical equipment is used as the total control switch of home circuit；The processor of single chip computer 3 is STC89C52 single-chip microcomputers；The A/D turns
Circuit 2 is changed including chip ADC0804, the 1st pin of the chip ADC0804, the 2nd pin and the 3rd pin respectively with
15th pin of STC89C52 single-chip microcomputers, the 17th pin and the 16th pin connect, the 4th pin output of the chip ADC0804
Point two-way, leads up to resistance R1 and connects with the 19th pin of chip ADC0804, one end phase of another road and nonpolar electric capacity C2
Connect；The other end ground connection of nonpolar electric capacity C2, the 6th pin of the chip ADC0804 connects with one end of resistance R6, the core
7th pin of piece ADC0804, the 8th pin and the 10th pin are grounded, and the 9th pin input of the chip ADC0804 is divided to two
Road, connects all the way with one end of resistance R9, and another road connects with one end of resistance R8；The other end of resistance R8 is exported with 5V power supplys
End connects, the other end of resistance R9 ground connection, and the 18th pin of the chip ADC0804, the 17th pin, the 16th pin, the 15th are drawn
Pin, the 14th pin, the 13rd pin, the 12nd pin and the 11st pin the 21st pin respectively with STC89C52 single-chip microcomputers, the 22nd are drawn
Pin, the 23rd pin, the 24th pin, the 25th pin, the 26th pin, the 27th pin and the 28th pin connect, the chip ADC0804
The 20th pin connect with 5V power output ends；The indicator light circuit 11 is by light emitting diode D2, light emitting diode D3, resistance
R10 and resistance R11 is constituted, and the negative electrode of the light emitting diode D2 connects with the 8th pin of STC89C52 single-chip microcomputers, light-emitting diodes
The anode of pipe D2 connects with one end of resistance R10, the negative electrode of the light emitting diode D3 and the 7th pin of STC89C52 single-chip microcomputers
Connect, the anode of light emitting diode D3 connects with one end of resistance R11, the other end of resistance R10 and the other end of resistance R11 are equal
Connect with 5V power output ends.
As shown in Fig. 2 in the present embodiment, the proximity switch circuit includes proximity switch K2, the proximity switch K2's
1st pin connects with 24V power output ends, and the 2nd pin of the proximity switch K2 is changed with the one end by resistance R6 and A/D
6th pin of circuit chip ADC0804 connects, the 3rd pin ground connection of the proximity switch K2.
As shown in figure 4, in the present embodiment, the infrared transmitting circuit includes triode Q4 and infrared transmitting tube D5, described
The base stage of triode Q4 is divided into two-way, leads up to resistance R15 and connects with the 3rd pin of processor of single chip computer, separately leads up to
Resistance R13 connects with 5V power output ends, and the emitter stage of the triode Q4 connects with 5V power output ends, the triode Q4
Colelctor electrode connected with the positive pole of infrared transmitting tube D5 by resistance R16, the minus earth of the infrared transmitting tube D5.
As shown in figure 5, in the present embodiment, the infrared receiving circuit includes infrared receiving tube D4, the infrared receiving tube
The plus earth of D4, the negative pole of described infrared receiving tube D4 is divided into two-way, in leading up to resistance R7 and relay drive circuit
Triode Q1 connects, and another road connects with one end of resistance R14, and the other end of resistance R14 is divided into two-way, all the way with 5V power supply phases
Connect, separately lead up to electric capacity C5 ground connection.
As shown in fig. 6, in the present embodiment, the relay drive circuit includes single-pole double-throw relay K1, triode Q1
With diode D1, the zero line N and live wire L of the movable contact connection mains electricity of the single-pole double-throw relay K1, the hilted broadsword
One end input point two-way of the coil of double-throw relay K1, connects all the way with 24V power output ends, and another road is with triode Q1's
Colelctor electrode connects；The base stage of the triode Q1 is connected by resistance R7 one end, and the other end of resistance R7 is divided into two-way, all the way with
The output end of infrared receiving circuit connects, and separately leads up to resistance R4 and connects with 5V power supplys, the negative pole and 24V of the diode D1
Power supply connects, and the positive pole of the diode D1 connects with the colelctor electrode of diode Q1.
As shown in figure 8, in the present embodiment, the buzzing alert circuit includes buzzer FM, triode Q2 and button S1, institute
The positive input terminal of buzzer FM+connect with one end of button S 1 is stated, the other end of button S1 connects with 5V power output ends, institute
State the negative input end of buzzer FM-connect with the emitter stage of triode Q2, base stage and the STC89C52 single-chip microcomputers of triode Q2
10th pin connects, the grounded collector of triode Q4.
In the present embodiment, the display 10 includes LCD1602 liquid crystal displays.
When the utility model is used, after switching on power, relay K1 closures are powered to home circuit, and the system starts work
Make.Meanwhile, the switching signal of entering house door is detected by proximity switch circuit 1, and give A/D conversions by the switching signal for detecting
The differential input end of circuit 2, the accessible voltage number of processor of single chip computer 3 is converted to through A/D change-over circuits 2 by current data
According to by the signal output after conversion to infrared transmitting circuit 4, the input signal of infrared transmitting circuit 4 passes through processor of single chip computer 3
R15 provides electric current for the base stage of triode Q4, and triode Q4 conductings, the emitter stage of triode Q4 is switched to 5V power supplys, triode
Q4 is turned on, and electric current is flow to its colelctor electrode, powered to infrared transmitting tube D5 by resistance R16 by the emitter stage of triode Q4, infrared
Transmitting tube D5 continuously sends out signal, and mid-infrared reception pipe D4 of infrared receiving circuit 5 receives the signal that infrared transmitting tube D5 sends, red
The output end signal of outer receiving circuit 5 changes, and this lasting current signal is sent to into the input of relay drive circuit 6
End, current signal provides electric current, triode Q1 conductings, and then relay drive circuit 6 by resistance R7 for triode Q1 base stages
Conducting, relay disconnects.Two movable contact K1 of relay drive circuit 6 introduce mains ac power supply, always open with home circuit
Connection connects.Therefore being switched on or off controlling opening or turning off for family's main circuit by relay movable contact K1, realize
Function of the present utility model.Key circuit 7 can arrange whether enable the system, meet demand of the user in different periods, show
Show that device 10 can in real time show home circuit total voltage and total current size, buzzing alert circuit 12 also can exceed in voltage or electric current
User is reminded during restriction, while buzzing alert circuit 12 arranges key switch to can choose whether to need prompting, buzzing can be prevented
Device bothers in some cases user, and using effect is good.
The above, is only preferred embodiment of the present utility model, and not the utility model is imposed any restrictions, every
Above example is made any simple modification, change and equivalent structure change according to the utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a kind of door-controlled type circuit switchgear, it is characterised in that：Including processor of single chip computer (3) and relay driving main circuit
(6) reset circuit (8) for, and with the processor of single chip computer (3) connecting and data storage cell (9), at the single-chip microcomputer
The input of reason device (3) is terminated with A/D change-over circuits (2) and key circuit (7), the output termination of the processor of single chip computer (3)
There are display (10), indicator light circuit (11), buzzing alert circuit (12) and infrared transmitting circuit (4), the A/D change-over circuits
(2) input is terminated with proximity switch circuit (1), and the infrared transmitting circuit (4) matches with the infrared receiving circuit (5) and makes
With the output end of the infrared receiving circuit (5) connects with the input of the relay drive circuit (6), the relay
Drive circuit (6) is connected to electromagnetic relay, and electromagnetic relay is used as the total control switch of home circuit；The single-chip microcomputer
Processor (3) is STC89C52 single-chip microcomputers；The A/D change-over circuits (2) include chip ADC0804, the chip ADC0804's
1st pin, the 2nd pin and the 3rd pin the 15th pin respectively with STC89C52 single-chip microcomputers, the 17th pin and the 16th pin phase
Connect, the 4th pin output point two-way of the chip ADC0804 leads up to the 19th pin phase of resistance R1 and chip ADC0804
Connect, another road connects with one end of nonpolar electric capacity C2；The other end ground connection of nonpolar electric capacity C2, the chip ADC0804's
6th pin connects with one end of resistance R6, and the 7th pin of the chip ADC0804, the 8th pin and the 10th pin are grounded, institute
The 9th pin input point two-way of chip ADC0804 is stated, is connected with one end of resistance R9 all the way, one end of another road and resistance R8
Connect；The other end of resistance R8 connects with 5V power output ends, the other end of resistance R9 ground connection, and the of the chip ADC0804
18 pins, the 17th pin, the 16th pin, the 15th pin, the 14th pin, the 13rd pin, the 12nd pin and the 11st pin respectively with
21st pin of STC89C52 single-chip microcomputers, the 22nd pin, the 23rd pin, the 24th pin, the 25th pin, the 26th pin, the 27th are drawn
Pin and the 28th pin connect, and the 20th pin of the chip ADC0804 connects with 5V power output ends；The indicator light circuit
(11) be made up of light emitting diode D2, light emitting diode D3, resistance R10 and resistance R11, the negative electrode of the light emitting diode D2 with
8th pin of STC89C52 single-chip microcomputers connects, and the anode of light emitting diode D2 connects with one end of resistance R10, and described luminous two
The negative electrode of pole pipe D3 connects with the 7th pin of STC89C52 single-chip microcomputers, the anode of light emitting diode D3 and one end phase of resistance R11
Connect, the other end of resistance R10 and the other end of resistance R11 connect with 5V power output ends.
2. according to a kind of door-controlled type circuit switchgear described in claim 1, it is characterised in that：The proximity switch circuit
(1) including proximity switch K2, the 1st pin of the proximity switch K2 connects with 24V power output ends, the proximity switch K2's
2nd pin connects with the one end by resistance R6 with the 6th pin of A/D change-over circuit chip ADC0804, the proximity switch K2
The 3rd pin ground connection.
3. according to a kind of door-controlled type circuit switchgear described in claim 1, it is characterised in that：The infrared transmitting circuit
(4) including triode Q4 and infrared transmitting tube D5, the base stage of the triode Q4 is divided into two-way, leads up to resistance R15 and list
3rd pin of piece machine processor (3) connects, and separately leads up to resistance R13 and connects with 5V power output ends, the triode Q4's
Emitter stage connects with 5V power output ends, and the colelctor electrode of the triode Q4 passes through the positive pole of resistance R16 and infrared transmitting tube D5
Connect, the minus earth of the infrared transmitting tube D5.
4. according to a kind of door-controlled type circuit switchgear described in claim 1, it is characterised in that：The infrared receiving circuit
(5) including infrared receiving tube D4, the plus earth of the infrared receiving tube D4, the negative pole of described infrared receiving tube D4 is divided into two
Road, leads up to resistance R7 and connects with triode Q1 in relay drive circuit (6), and another road connects with one end of resistance R14,
The other end of resistance R14 is divided into two-way, connects with 5V power supplys all the way, separately leads up to electric capacity C5 ground connection.
5. according to a kind of door-controlled type circuit switchgear described in claim 1, it is characterised in that：The relay drive circuit
(6) including single-pole double-throw relay K1, triode Q1 and diode D1, the movable contact connection city of the single-pole double-throw relay K1
The zero line N and live wire L of electric alternating current, one end input point two-way of the coil of the single-pole double-throw relay K1 is electric with 24V all the way
Source output terminal connects, and another road connects with the colelctor electrode of triode Q1；The base stage of the triode Q1 passes through resistance R7 one end phase
Connect, the other end of resistance R7 is divided into two-way, connect with the output end of infrared receiving circuit (5) all the way, separately lead up to resistance R4
Connect with 5V power supplys, the negative pole of the diode D1 connects with 24V power supplys, the positive pole of the diode D1 and the collection of diode Q1
Electrode connects.
6. according to a kind of door-controlled type circuit switchgear described in claim 1, it is characterised in that：The buzzing alert circuit
(12) including buzzer FM, triode Q2 and button S1, the positive input terminal of the buzzer FM+connect with one end of button S1,
The other end of button S1 connects with 5V power output ends, the emitter stage phase of the negative input end of the buzzer FM-with triode Q2
Connect, the base stage of triode Q2 connects with the 10th pin of STC89C52 single-chip microcomputers, the grounded collector of triode Q4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621083737.5U CN206162122U (en) | 2016-09-27 | 2016-09-27 | Gate formula circuit switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621083737.5U CN206162122U (en) | 2016-09-27 | 2016-09-27 | Gate formula circuit switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206162122U true CN206162122U (en) | 2017-05-10 |
Family
ID=58651998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621083737.5U Expired - Fee Related CN206162122U (en) | 2016-09-27 | 2016-09-27 | Gate formula circuit switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206162122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859590A (en) * | 2017-11-30 | 2019-06-07 | 深圳讯朋应急安全救护科技有限公司 | A kind of external chest compression training aids |
-
2016
- 2016-09-27 CN CN201621083737.5U patent/CN206162122U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859590A (en) * | 2017-11-30 | 2019-06-07 | 深圳讯朋应急安全救护科技有限公司 | A kind of external chest compression training aids |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20170927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |