CN202564708U - Low-power dissipation intelligent control air-conditioner power saving socket - Google Patents
Low-power dissipation intelligent control air-conditioner power saving socket Download PDFInfo
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- CN202564708U CN202564708U CN 201220109587 CN201220109587U CN202564708U CN 202564708 U CN202564708 U CN 202564708U CN 201220109587 CN201220109587 CN 201220109587 CN 201220109587 U CN201220109587 U CN 201220109587U CN 202564708 U CN202564708 U CN 202564708U
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Abstract
The present utility model relates to a low-power dissipation intelligent control air-conditioner power saving socket which belongs to the electric appliance switch field. The socket is composed of an MCU intelligent control circuit, a non-isolation power supply voltage stabilizing circuit, an air-conditioner current detection circuit, a temperature measuring and indicating circuit, an output control circuit and an acousto-optic alarm control circuit, the MCU intelligent control circuit is a control core of a controller and used for processing input and output signals, the non-isolation power supply voltage stabilizing circuit is used for providing stable and reliable power supply for other module circuits, the air-conditioner current detection circuit is used for providing current input signals for the MCU intelligent control circuit, the temperature measuring and indicating circuit is used for providing temperature input signals for the MCU intelligent control circuit, and the output control circuit and the acousto-optic alarm control circuit are used for receiving functional control signals given out by the MCU intelligent control circuit and executing corresponding control action. By adopting the socket, when an air-conditioner is in use and the specified temperature is exceeded, a power supply can be cut off, and an acousto-optic alarm prompt can be given out; and when the air-conditioner is in standby mode, the standby power consumption can be reduced, and service life of the air-conditioner can be prolonged.
Description
Technical field
The utility model relates to the energy-conserving product field, at length says it is a kind of low power-consumption intelligent control air-conditioning electricity-saving socket.
Background technology
As everyone knows: regulation in " General Office of the State Council carries out the notice of public building air-conditioner temperature control criterion about strictness " (Office of the State Council is sent out [2007] No. 42): the unit in all public buildings; Comprise government offices, public organization, enterprises and institutions' tissue and self-employed entrepreneur; Except that special units such as hospitals and on the production technology temperature is being had particular requirement and the authorized user; Summer, the setting of room conditioning temperature must not be lower than 26 degrees centigrade, and winter, the setting of room conditioning temperature must not be higher than 20 degrees centigrade.But at present; The situation that the setting of room conditioning temperature exceeds the afore mentioned rules scope is quite general; And existing socket does not generally possess temperature detection, the intelligently connecting or disconnecting electric work can; Can't judge that indoor temperature whether in the scope of regulation, can not point out when the indoor temperature overshoot, cause the significant wastage of electric energy.A kind of controller that can monitor automatically of the demand of demanding urgently in the society.
Summary of the invention
The purpose of the utility model just is to overcome the deficiency of existing appliance switch, and a kind of low power-consumption intelligent control air-conditioning electricity-saving socket that can monitor indoor temperature automatically and point out or cut off the electricity supply automatically is provided.
The utility model adopts following technical solution: a kind of low power-consumption intelligent control air-conditioning electricity-saving socket; It is characterized in that; Form by MCU intelligence control circuit, non-insulating power supply voltage stabilizing circuit, air-conditioning current detection circuit, temperature survey indicating circuit, output control circuit, sound and light alarm control circuit; The MCU intelligence control circuit is handled input and output signal; Non-insulating power supply voltage stabilizing circuit provides reliable and stable power supply for other modular circuit; The air-conditioning current detection circuit provides current input signal to the MCU intelligence control circuit, and the temperature survey indicating circuit provides temperature input signal to the MCU intelligence control circuit, and the functional control signal that output control circuit, sound and light alarm control circuit reception MCU intelligence control circuit send is also carried out the control corresponding action.
The utility model also can be realized through following measure: the MCU intelligence control circuit is made up of PIC1288 intelligent control chip U3, and the 1st pin of PIC1288 intelligent control chip U3 links to each other with positive source, and the 8th pin links to each other with power supply ground.
Non-insulating power supply voltage stabilizing circuit is made up of resistance R 1, capacitor C 1, C2, C5, rectifier bridge BR1, voltage stabilizing didoe Z1,7805 three terminal regulator U1, binding post P1, P3; One pin of capacitor C 1, C2, resistance R 1 links to each other with the 1st pin of rectifier bridge BR1, and another pin links to each other with binding post P1, and the 3rd pin of rectifier bridge BR1 links to each other with binding post P3; The 4th pin of rectifier bridge BR1 links to each other with power supply ground; The 2nd pin of rectifier bridge BR1 links to each other with the 1st pin of 7805 three terminal regulator U1, and the positive pole of capacitor C 5 links to each other with the 2nd pin of rectifier bridge BR1, and the negative pole of capacitor C 5 links to each other with power supply ground; The negative electrode of voltage stabilizing didoe Z1 links to each other with the 2nd pin of rectifier bridge BR1; The anode of voltage stabilizing didoe Z1 links to each other with power supply ground, and the 2nd pin of 7805 three terminal regulator U1 links to each other with power supply ground, and 7805 three terminal regulator U1 the 3rd pin is the positive source of 5 volts of outputs.
The air-conditioning current detection circuit is made up of binding post P4, P5, supply socket J1, current transformer T1, resistance R 2, R3, R4, capacitor C 3, C6, diode D1 and LM358 operational amplifier U2; The 1st pin of supply socket J1 links to each other with binding post P5; Supply socket J1 the 3rd pin with link to each other safely, supply socket J1 the 2nd pin links to each other with the 3rd pin of current transformer T1, the 1st pin of current transformer T1 links to each other with binding post P4; The 2nd pin of current transformer T1 links to each other with the 1st pin of LM358 operational amplifier U2; The 4th pin of current transformer T1 links to each other with power supply ground, and a pin of resistance R 2 links to each other with the 1st pin of LM358 operational amplifier U2, and another pin of resistance R 2 links to each other with power supply ground; One pin of resistance R 3 links to each other with the 2nd pin of LM358 operational amplifier U2; Resistance R 3 another pin link to each other with power supply ground, and a pin of resistance R 4, capacitor C 4 links to each other with the 2nd pin of LM358 operational amplifier U2, and another pin of resistance R 4, capacitor C 4 links to each other with the 3rd pin of LM358 operational amplifier U2; The anode of diode D1 links to each other with the 3rd pin of LM358 operational amplifier U2; The negative electrode of diode D1 links to each other with the 2nd pin of PIC1288 intelligent control chip U3, and the positive pole of capacitor C 6 links to each other with the negative electrode D1 of diode, and the negative pole of capacitor C 6 links to each other with power supply ground.
The temperature survey indicating circuit is made up of thermistor RT1, resistance R 6, R7, R8, capacitor C 4, LED 3; The pin of thermistor RT1 links to each other with positive source; Another pin of thermistor RT1 links to each other with a pin of resistance R 7; Another pin of resistance R 7 links to each other with the 3rd pin of PIC1288 intelligent control chip U3; One pin of resistance R 8, capacitor C 4 links to each other with the 3rd pin of PIC1288 intelligent control chip U3, and another pin of resistance R 8, capacitor C 4 all links to each other with power supply ground, and a pin of resistance R 6 links to each other with the 6th pin of PIC1288 intelligent control chip U3; Another pin of resistance R 6 links to each other with the negative electrode of LED 3, and the anode of LED 3 links to each other with positive source.
Output control circuit is made up of resistance R 5, triode Q1, diode D2, relay R L1, binding post P2, P6; One pin of resistance R 5 links to each other with the 7th pin of PIC1288 intelligent chip U3; Another pin of resistance R 5 extremely links to each other with the B of triode Q1, and the E utmost point of triode Q1 links to each other with power supply ground, and the C of triode Q1 links to each other with the anode of diode D2; The negative electrode of diode D2 links to each other with positive source; The pin of relay R L1 extremely links to each other with the C of triode Q1, and another pin of relay R L1 links to each other with positive source, and the control pin of relay R L1 links to each other with binding post P2, P6 respectively.
The sound and light alarm control circuit is made up of resistance R 9, R10, LED 4, buzzer SP1; One pin of resistance R 9 links to each other with the 4th pin of PIC1288 intelligent control chip U3; Another pin of resistance R 9 links to each other with the pin of buzzer SP1; Another pin of buzzer SP1 links to each other with positive source; One pin of resistance R 10 links to each other with the 5th pin of PIC1288 intelligent control chip U3, and resistance R 10 another pin link to each other with the negative electrode of LED 4, and the anode of LED 4 links to each other with positive source.
The beneficial effect of the utility model is, easy for installation, simple to operate, stand-by power consumption is low, and long service life surpasses set point of temperature when air-conditioning uses, and in time cuts off the electricity supply or the sound and light alarm prompting; Really cut off the electricity supply during the air-conditioning standby, reduce stand-by power consumption, prolong air-conditioning useful life.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the theory diagram of the utility model.
Fig. 2 is the circuit theory diagrams of the utility model.
1. temperature survey indicating circuits among the figure, 2. air-conditioning current detection circuit, 3. non-insulating power supply voltage stabilizing circuit, 4.MCU intelligence control circuit, 5. output control circuit; 6. sound and light alarm control circuit, R1～R10. resistance, C1～C6. electric capacity, D1, D2. diode, Z1. voltage stabilizing didoe; Q1. triode, LED3, LED4. light-emitting diode, BR1. rectifier bridge, U3.PIC1288 intelligent control chip; U1.7805 three terminal regulator U1, P1～P6. binding post, J1. supply socket, T1. current transformer; The U2.LM358 operational amplifier, SP1. buzzer, RL1. relay, RT1. thermistor.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further, to help understanding content of the present invention.
As shown in Figure 1; The utility model is made up of MCU intelligence control circuit 4, non-insulating power supply voltage stabilizing circuit 3, air-conditioning current detection circuit 2, temperature survey indicating circuit 1, output control circuit 5, sound and light alarm control circuit 6; MCU intelligence control circuit 4 is controller control cores; Handle input and output signal; Non-insulating power supply voltage stabilizing circuit 3 provides reliable and stable power supply for other modular circuit; Air-conditioning current detection circuit 2 provides current input signal to MCU intelligence control circuit 4, and temperature survey indicating circuit 1 provides temperature input signal to MCU intelligence control circuit 4, and the functional control signal that output control circuit 5, sound and light alarm control circuit 6 reception MCU intelligence control circuits 4 send is also carried out the control corresponding action.
As shown in Figure 2, MCU intelligence control circuit 4 is made up of PIC1288 intelligent control chip U3, and built-in operating frequency can reach 32MHz; The minimum operating voltage of chip can reach 1.8V; 10 bit A/D converters are arranged, 6 input and output I/O mouths, built-in WatchDog Timer; There is the 2K electricity to wipe program storage, 128 dynamic data storage devices are arranged.The 1st pin of PIC1288 intelligent control chip U3 links to each other with positive source, and the 8th pin links to each other with power supply ground.
MCU intelligence control circuit 4 is control cores, controls the work of other module, and the groundwork flow process is following: PIC1288 intelligent control chip U3; Detect indoor environment temperature earlier; When temperature exceeded range of set temperature, whether had air-conditioning start operation, if free levelling is in operation if detecting earlier; Just break off the air-conditioning power supply, sound and light flash warning caution through the sound and light alarm control circuit simultaneously through output control circuit.
Non-insulating power supply voltage stabilizing circuit 3 is made up of resistance R 1, capacitor C 1, C2, C5, rectifier bridge BR1, voltage stabilizing didoe Z1,7805 three terminal regulator U1, binding post P1, P3; One pin of capacitor C 1, C2, resistance R 1 links to each other with the 1st pin of rectifier bridge BR1; Capacitor C 1, C2, resistance R 1 another pin link to each other with binding post P1; The 3rd pin of rectifier bridge BR1 links to each other with binding post P3, and the 4th pin of rectifier bridge BR1 links to each other with power supply ground, and the 2nd pin of rectifier bridge BR1 links to each other with the 1st pin of 7805 three terminal regulator U1; The positive pole of capacitor C 5 links to each other with the 2nd pin of rectifier bridge BR1; The negative pole of capacitor C 5 links to each other with power supply ground, and the negative electrode of voltage stabilizing didoe Z1 links to each other with the 2nd pin of rectifier bridge BR1, and the anode of voltage stabilizing didoe Z1 links to each other with power supply ground; The 2nd pin of 7805 three terminal regulator U1 links to each other with power supply ground, and 7805 three terminal regulator U1 the 3rd pin is the positive source of 5 volts of outputs.
Non-insulating power supply voltage stabilizing circuit 3 directly drops to the operating voltage that needs to 220 volts of forceful electric power through capacitor C 1, C2; 7805 three terminal regulator U1 are given in power supply after rectifier bridge BR1 rectification, capacitor C 5 filtering, and the output voltage of voltage stabilizing didoe Z1 monitoring rectifier bridge BR1 is when the output voltage of rectifier bridge BR1 surpasses predetermined operating voltage; Voltage stabilizing didoe Z1 just begins conducting; Shield, 7805 three terminal regulator U1 the voltage voltage stabilizing of rectifier bridge BR1 output after, be transported to the corresponding module circuit.
Air-conditioning current detection circuit 2 is made up of binding post P4, P5, supply socket J1, current transformer T1, resistance R 2, R3, R4, capacitor C 3, C6, diode D1 and LM358 operational amplifier U2; The 1st pin of supply socket J1 links to each other with binding post P5; Supply socket J1 the 3rd pin with link to each other safely, supply socket J1 the 2nd pin links to each other with the 3rd pin of current transformer T1, the 1st pin of current transformer T1 links to each other with binding post P4; The 2nd pin of current transformer T1 links to each other with the 1st pin of LM358 operational amplifier U2; The 4th pin of current transformer T1 links to each other with power supply ground, and a pin of resistance R 2 links to each other with the 1st pin of LM358 operational amplifier U2, and another pin of resistance R 2 links to each other with power supply ground; One pin of resistance R 3 links to each other with the 2nd pin of LM358 operational amplifier U2; Resistance R 3 another pin link to each other with power supply ground, and a pin of resistance R 4, capacitor C 4 links to each other with the 2nd pin of LM358 operational amplifier U2, and another pin of resistance R 4, capacitor C 4 links to each other with the 3rd pin of operational amplifier U2; The anode of diode D1 links to each other with the 3rd pin of LM358 operational amplifier U2; The negative electrode of diode D1 links to each other with the 2nd pin of PIC1288 intelligent control chip U3, and the positive pole of capacitor C 6 links to each other with the negative electrode D1 of diode, and the negative pole of capacitor C 6 links to each other with power supply ground.
Air-conditioning current detection circuit 2 detects the air-conditioning size of current through current transformer T1, confirms that whether air-conditioning is in work.Big current signal during air-conditioning work; After current transformer T1 coupling; The current signal of reduction is after LM358 operational amplifier U2 shaping; D1 is sent to intelligent control chip U3 through the protection diode, and after current signal surpassed predetermined numerical value, PIC1288 intelligent control chip U3 just did corresponding output control according to the program of setting.
Temperature survey indicating circuit 1 is made up of thermistor RT1, resistance R 6, R7, R8, capacitor C 4, LED 3; The pin of thermistor RT1 links to each other with positive source; Another pin of thermistor RT1 links to each other with a pin of resistance R 7; Another pin of resistance R 7 links to each other with the 3rd pin of PIC1288 intelligent control chip U3; One pin of resistance R 8, capacitor C 4 links to each other with the 3rd pin of PIC1288 intelligent control chip U3, and another pin of resistance R 8, capacitor C 4 all links to each other with power supply ground, and a pin of resistance R 6 links to each other with the 6th pin of PIC1288 intelligent control chip U3; Another pin of resistance R 6 links to each other with the negative electrode of LED 3, and the anode of LED 3 links to each other with positive source.
Temperature survey indicating circuit 1 is main through variation of ambient temperature in the thermistor RT1 sensing chamber.When indoor environment temperature changes; The resistance of thermistor RT1 is also just along with changing; Voltage on the divider resistance R8 also can change in proportion, and the voltage signal of this variation is after PIC1288 intelligent control chip U3 analog-to-digital conversion, just the indoor temperature signal; Be transformed into accessible digital signal, LED 3 is used for indicating normal operating conditions.
Sound and light alarm control circuit 6 is made up of resistance R 9, R10, LED 4, buzzer SP1; One pin of resistance R 9 links to each other with the 4th pin of PIC1288 intelligent control chip U3; Another pin of resistance R 9 links to each other with the pin of buzzer SP1; Another pin of buzzer SP1 links to each other with positive source; One pin of resistance R 10 links to each other with the 5th pin of PIC1288 intelligent control chip U3, and resistance R 10 another pin link to each other with the negative electrode of LED 4, and the anode of LED 4 links to each other with positive source.
Sound and light alarm control circuit 6 is mainly worked by buzzer SP1 and LED 4; When PIC1288 intelligent control chip U3 detects the temperature that indoor temperature surpass to set; PIC1288 intelligent control chip U3 just drives buzzer SP1, the alarm signal of sounding through the 4th pin output pulse train signal; Simultaneously, the 5th pin also output duty cycle is 50% pulse signal, comes driven for emitting lights diode (LED) 4, the flicker indication of reporting to the police.
Claims (7)
1. a low power-consumption intelligent is controlled the air-conditioning electricity-saving socket; It is characterized in that: form by MCU intelligence control circuit, non-insulating power supply voltage stabilizing circuit, air-conditioning current detection circuit, temperature survey indicating circuit, output control circuit, sound and light alarm control circuit; The MCU intelligence control circuit is handled input and output signal; Non-insulating power supply voltage stabilizing circuit provides reliable and stable power supply for other modular circuit; The air-conditioning current detection circuit provides current input signal to the MCU intelligence control circuit; The temperature survey indicating circuit provides temperature input signal to the MCU intelligence control circuit, and the functional control signal that output control circuit, sound and light alarm control circuit reception MCU intelligence control circuit send is also carried out the control corresponding action.
2. low power-consumption intelligent control air-conditioning electricity-saving socket according to claim 1; It is characterized in that said MCU intelligence control circuit is made up of PIC1288 intelligent control chip U3; The 1st pin of PIC1288 intelligent control chip U3 links to each other with positive source, and the 8th pin links to each other with power supply ground.
3. low power-consumption intelligent control air-conditioning electricity-saving socket according to claim 1; It is characterized in that said non-insulating power supply voltage stabilizing circuit is made up of resistance R 1, capacitor C 1, C2, C5, rectifier bridge BR1, voltage stabilizing didoe Z1,7805 three terminal regulator U1, binding post P1, P3; One pin of capacitor C 1, C2, resistance R 1 links to each other with the 1st pin of rectifier bridge BR1, and another pin links to each other with binding post P1, and the 3rd pin of rectifier bridge BR1 links to each other with binding post P3; The 4th pin of rectifier bridge BR1 links to each other with power supply ground; The 2nd pin of rectifier bridge BR1 links to each other with the 1st pin of 7805 three terminal regulator U1, and the positive pole of capacitor C 5 links to each other with the 2nd pin of rectifier bridge BR1, and the negative pole of capacitor C 5 links to each other with power supply ground; The negative electrode of voltage stabilizing didoe Z1 links to each other with the 2nd pin of rectifier bridge BR1; The anode of voltage stabilizing didoe Z1 links to each other with power supply ground, and the 2nd pin of 7805 three terminal regulator U1 links to each other with power supply ground, and 7805 three terminal regulator U1 the 3rd pin is 5 volts of positive sources of output.
4. low power-consumption intelligent control air-conditioning electricity-saving socket according to claim 1; It is characterized in that said air-conditioning current detection circuit is made up of binding post P4, P5, supply socket J1, current transformer T1, resistance R 2, R3, R4, capacitor C 3, C6, diode D1 and LM358 operational amplifier U2; The 1st pin of supply socket J1 links to each other with binding post P5; Supply socket J1 the 3rd pin with link to each other safely, supply socket J1 the 2nd pin links to each other with the 3rd pin of current transformer T1, the 1st pin of current transformer T1 links to each other with binding post P4; The 2nd pin of current transformer T1 links to each other with the 1st pin of LM358 operational amplifier U2; The 4th pin of current transformer T1 links to each other with power supply ground, and a pin of resistance R 2 links to each other with the 1st pin of LM358 operational amplifier U2, and another pin of resistance R 2 links to each other with power supply ground; One pin of resistance R 3 links to each other with the 2nd pin of LM358 operational amplifier U2; Resistance R 3 another pin link to each other with power supply ground, and a pin of resistance R 4, capacitor C 4 links to each other with the 2nd pin of LM358 operational amplifier U2, and another pin of resistance R 4, capacitor C 4 links to each other with the 3rd pin of LM358 operational amplifier U2; The anode of diode D1 links to each other with the 3rd pin of LM358 operational amplifier U2; The negative electrode of diode D1 links to each other with the 2nd pin of PIC1288 intelligent control chip U3, and the positive pole of capacitor C 6 links to each other with the negative electrode D1 of diode, and the negative pole of capacitor C 6 links to each other with power supply ground.
5. low power-consumption intelligent control air-conditioning electricity-saving socket according to claim 1; It is characterized in that said temperature survey indicating circuit is made up of thermistor RT1, resistance R 6, R7, R8, capacitor C 4, LED 3; The pin of thermistor RT1 links to each other with positive source; Another pin of thermistor RT1 links to each other with a pin of resistance R 7, and another pin of resistance R 7 links to each other with the 3rd pin of PIC1288 intelligent control chip U3, and a pin of resistance R 8, capacitor C 4 links to each other with the 3rd pin of PIC1288 intelligent control chip U3; Another pin of resistance R 8, capacitor C 4 all links to each other with power supply ground; One pin of resistance R 6 links to each other with the 6th pin of PIC1288 intelligent control chip U3, and another pin of resistance R 6 links to each other with the negative electrode of LED 3, and the anode of LED 3 links to each other with positive source.
6. low power-consumption intelligent control air-conditioning electricity-saving socket according to claim 1; It is characterized in that said output control circuit is made up of resistance R 5, triode Q1, diode D2, relay R L1, binding post P2, P6; One pin of resistance R 5 links to each other with the 7th pin of PIC1288 intelligent chip U3; Another pin of resistance R 5 extremely links to each other with the B of triode Q1, and the E utmost point of triode Q1 links to each other with power supply ground, and the C of triode Q1 links to each other with the anode of diode D2; The negative electrode of diode D2 links to each other with positive source; The pin of relay R L1 extremely links to each other with the C of triode Q1, and another pin of relay R L1 links to each other with positive source, and the control pin of relay R L1 links to each other with binding post P2, P6 respectively.
7. low power-consumption intelligent control air-conditioning electricity-saving socket according to claim 1; It is characterized in that said sound and light alarm control circuit is made up of resistance R 9, R10, LED 4, buzzer SP1; One pin of resistance R 9 links to each other with the 4th pin of PIC1288 intelligent control chip U3; Another pin of resistance R 9 links to each other with the pin of buzzer SP1, and another pin of buzzer SP1 links to each other with positive source, and a pin of resistance R 10 links to each other with the 5th pin of PIC1288 intelligent control chip U3; Resistance R 10 another pin link to each other with the negative electrode of LED 4, and the anode of LED 4 links to each other with positive source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220109587 CN202564708U (en) | 2012-03-22 | 2012-03-22 | Low-power dissipation intelligent control air-conditioner power saving socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220109587 CN202564708U (en) | 2012-03-22 | 2012-03-22 | Low-power dissipation intelligent control air-conditioner power saving socket |
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| Publication Number | Publication Date |
|---|---|
| CN202564708U true CN202564708U (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220109587 Expired - Fee Related CN202564708U (en) | 2012-03-22 | 2012-03-22 | Low-power dissipation intelligent control air-conditioner power saving socket |
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| CN (1) | CN202564708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785703A (en) * | 2016-12-12 | 2017-05-31 | 杭州知加网络科技有限公司 | A kind of overload protection connector |
-
2012
- 2012-03-22 CN CN 201220109587 patent/CN202564708U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785703A (en) * | 2016-12-12 | 2017-05-31 | 杭州知加网络科技有限公司 | A kind of overload protection connector |
| CN106785703B (en) * | 2016-12-12 | 2019-08-06 | 深圳市威尔达电子有限公司 | A kind of overload protection connector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20150322 |
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| EXPY | Termination of patent right or utility model |