CN210201549U - Small-size reclosing lock - Google Patents
Small-size reclosing lock Download PDFInfo
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- CN210201549U CN210201549U CN201921514505.4U CN201921514505U CN210201549U CN 210201549 U CN210201549 U CN 210201549U CN 201921514505 U CN201921514505 U CN 201921514505U CN 210201549 U CN210201549 U CN 210201549U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model discloses a small-size reclosing lock, include: the incoming line power circuit is used for providing voltage dependent resistor protection for a live line and a zero line; the main chip standby power supply circuit is connected with the incoming line power supply circuit and used for providing standby power supply for the main chip through a live line and a zero line so as to enable the main chip to start working; the control circuit is used for not outputting signals to cut off the power supply of the rectification voltage stabilizing circuit when the main chip judges that the current mode is the sleep mode and outputting signals to switch on the power supply of the rectification voltage stabilizing circuit when the main chip judges that the current mode is switched to the normal working mode; the rectification voltage stabilizing circuit is respectively connected with the incoming line power circuit and the control circuit and is used for outputting stable 12V direct-current voltage under the action of the incoming line power circuit and the control circuit; and the voltage stabilizing conversion circuit is connected with the rectifying and voltage stabilizing circuit and is used for converting the stable 12V direct current voltage into the stable 5V direct current voltage so as to supply power to the main chip, and the switching between the sleep mode and the normal working mode can be realized.
Description
Technical Field
The utility model relates to the technical field of circuits, concretely relates to small-size reclosing lock.
Background
At present, the conventional small reclosing circuit cannot realize switching between a sleep mode and a normal working mode, and brings inconvenience in practical application. Therefore, it is highly desirable to develop a new small reclosing circuit that can switch between the sleep mode and the normal operation mode.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a small-size reclosing lock, include:
the incoming line power circuit is used for providing voltage dependent resistor protection for a live line and a zero line;
the main chip standby power supply circuit is connected with the incoming line power supply circuit and used for providing standby power supply for the main chip through the live wire so as to enable the main chip to start working;
the control circuit is connected with the main chip standby power supply circuit and is used for not outputting signals to cut off the power supply of the rectification voltage stabilizing circuit when the main chip judges that the current mode is the sleep mode and outputting signals to switch on the power supply of the rectification voltage stabilizing circuit when the main chip judges that the current mode is switched to the normal working mode;
the rectification voltage stabilizing circuit is respectively connected with the incoming line power circuit and the control circuit and is used for outputting stable 12V direct-current voltage under the action of the incoming line power circuit and the control circuit;
and the voltage stabilizing conversion circuit is connected with the rectifying and voltage stabilizing circuit and is used for converting the stable 12V direct current voltage into the stable 5V direct current voltage so as to supply power to the main chip.
Preferably, the incoming line power supply circuit includes live wire, zero line and piezo-resistor, piezo-resistor's first end is connected the live wire, piezo-resistor's second end is connected the zero line.
Preferably, the main chip standby power supply circuit includes: the high-voltage fuse comprises a first diode, a first resistor, a second resistor and a first capacitor, wherein the anode of the first diode is connected with the live wire, the cathode of the first diode is connected with the first end of the first resistor, the second end of the first resistor is connected with the first end of the second resistor, the second end of the second resistor is connected with the first end of the first capacitor, the second end of the first capacitor is grounded, and the first end of the first capacitor is further connected with the main chip.
Preferably, the control circuit includes: the cathode of the first diode is further connected with the first end of the third resistor and the first end of the fourth resistor respectively, the second end of the third resistor is connected with the first end of the fifth resistor, the second end of the fourth resistor is connected with the first end of the sixth resistor, the second end of the fifth resistor is connected with the first end of the seventh resistor, the second end of the seventh resistor is connected with the gate pole of the thyristor, the second end of the sixth resistor is connected with the anode of the thyristor, the first end of the seventh resistor is further connected with the collector electrode of the triode, the first end of the second capacitor is connected with the emitter electrode of the triode, the second end of the second capacitor is connected with the base electrode of the triode, and the first end of the second capacitor is grounded, and the second end of the second capacitor is connected with the first end of the eighth resistor, and the second end of the eighth resistor is connected with the main chip.
Preferably, the rectifying and voltage stabilizing circuit comprises: the rectifying unit is connected with the incoming line power circuit, the voltage stabilizing unit is connected with the control circuit, and the rectifying unit is connected with the voltage stabilizing unit.
Preferably, the rectifying unit includes: the anode of the second diode is connected with the live wire, the cathode of the second diode is connected with the first end of the ninth resistor, the second end of the ninth resistor is connected with the first end of the third capacitor, and the second end of the third capacitor is grounded.
Preferably, the voltage stabilization unit includes: the constant-voltage constant-current control circuit comprises a third diode, a fourth diode, a fifth diode, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a seventeenth resistor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an inductor, an NMOS (N-channel metal oxide semiconductor) tube and a constant-voltage constant-current control chip;
the drain electrode of the NMOS tube is connected with the first end of the third capacitor, the source electrode of the NMOS tube is connected with the current sampling end of the constant-voltage constant-current control chip, the two ends of the tenth resistor are respectively connected with the grid electrode of the NMOS tube and the grid electrode driving end of the constant-voltage constant-current control chip, the two ends of the eleventh resistor are respectively connected with the grid electrode and the source electrode of the NMOS tube, the two ends of the twelfth resistor are respectively connected with the source electrode and the ground of the NMOS tube, the two ends of the thirteenth resistor are respectively connected with the source electrode and the common ground, the cathode of the thyristor is connected with the power supply end of the constant-voltage constant-current control chip, the power supply end of the constant-voltage constant-current control chip is connected with the first end of the fourth capacitor, and the two ends of the fourteenth resistor are respectively connected with the second end of the fourth capacitor and the, two ends of the fifth capacitor are respectively connected with a first end of a fourteenth resistor and a second end of the fourteenth resistor, the first end of the fourteenth resistor is connected with a common ground end, and the ground end of the constant-voltage constant-current control chip is connected with the common ground end;
the anode of the third diode is grounded, the cathode of the third diode is grounded, the anode of the fourth diode is grounded, the cathode of the fourth diode is grounded, the first end of the inductor is grounded, the second end of the fourteenth resistor is connected with the first end of the fifteenth resistor, the second end of the fifteenth resistor is connected with the first end of the sixteenth resistor, the second end of the sixteenth resistor is connected with the second end of the inductor, the two ends of the seventeenth resistor are respectively connected with the second end of the inductor and grounded, the two ends of the sixth capacitor are respectively connected with the second end of the inductor and grounded, the two ends of the seventh capacitor are respectively connected with the second end of the inductor and grounded, the anode of the fifth diode is grounded, and the cathode of the fifth diode is connected with the second end of the inductor.
Preferably, the voltage stabilization conversion circuit includes: the voltage input end of the low-voltage-difference linear voltage stabilizing chip is connected with the second end of the inductor, the voltage output end of the low-voltage-difference linear voltage stabilizing chip is connected with the anode of the sixth diode, the grounding end of the low-voltage-difference linear voltage stabilizing chip is grounded, the two ends of the eighth capacitor are respectively connected with the cathode of the sixth diode and grounded, the two ends of the ninth capacitor are respectively connected with the cathode of the sixth diode and grounded, the anode of the seventh diode is grounded, the cathode of the seventh diode is connected with the cathode of the sixth diode, and the cathode of the sixth diode is connected with the main chip so as to supply power to the main chip.
Preferably, the master chip is a microcontroller of type HC89S003F 4.
Preferably, the constant-voltage constant-current control chip is a constant-voltage constant-current control chip with the model number of BP6519, and the low-dropout linear voltage stabilizing chip is a constant-voltage constant-current control chip with the model number of ME 6209A-50P.
The beneficial effects of the utility model are embodied in: the utility model provides a small-size reclosing lock includes inlet wire power supply circuit, main chip stand-by power supply circuit, control circuit, rectification voltage stabilizing circuit and steady voltage converting circuit, can realize the switching between dormant mode and the normal operating mode, will bring very big convenience in practical application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a circuit diagram of a small reclosing lock provided by the embodiment of the utility model.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Examples
Fig. 1 is a circuit diagram of a small reclosing lock provided by the embodiment of the utility model. As shown in fig. 1, the miniature reclosing circuit provided by this embodiment includes an incoming line power circuit 1, a main chip standby power circuit 2, a control circuit 3, a rectification voltage stabilizing circuit 4 and a voltage stabilizing conversion circuit 5.
Incoming wire power supply circuit 1 includes live wire L, zero line N and piezo-resistor RV1, and live wire L is connected to piezo-resistor RV 1's first end, and zero line N is connected to piezo-resistor RV 1's second end. Live wire L and zero line N pass through piezo-resistor RV1 protection, and inlet wire power supply circuit 1 can provide the piezo-resistor protection for live wire L and zero line N.
The main chip standby power supply circuit 2 includes: the LED driving circuit comprises a first diode D1, a first resistor R1, a second resistor R2 and a first capacitor C1, wherein the anode of the first diode D1 is connected with a live wire L, the cathode of the first diode D1 is connected with the first end of a first resistor R1, the second end of the first resistor R1 is connected with the first end of the second resistor R2, the second end of the second resistor R2 is connected with the first end of the first capacitor C1, the second end of the first capacitor C1 is grounded, and the first end of the first capacitor C1 is further connected with a main chip U1. The main chip U1 can be selected from a microcontroller with model HC89S003F 4. The microcontroller of other models can also be adopted in the concrete implementation, and the utility model discloses do not do the restriction.
The live wire L is rectified by a first diode D1, then is subjected to current limiting by a first resistor R1 and a second resistor R2, is filtered by a first capacitor C1, and finally reaches the 8 th pin of the main chip U1 to provide standby power for the main chip U1, and then the main chip U1 starts to work.
The control circuit 3 includes: a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a thyristor SCR, a transistor T1 and a second capacitor C2, wherein the cathode of the first diode D1 is further connected to the first end of the third resistor R3 and the first end of the fourth resistor R4, the second end of the third resistor R3 is connected to the first end of the fifth resistor R5, the second end of the fourth resistor R4 is connected to the first end of the sixth resistor R6, the second end of the fifth resistor R5 is connected to the first end of the seventh resistor R7, the second end of the seventh resistor R7 is connected to the gate of the thyristor SCR, the second end of the sixth resistor R6 is connected to the anode of the thyristor SCR, the first end of the seventh resistor R7 is further connected to the collector of the transistor T1, the first end of the second capacitor C2 is connected to the emitter of the transistor T2, the second end of the second capacitor C2 is grounded, the second end of the second capacitor C2 is connected to the first end of the eighth resistor R8, and the second end of the eighth resistor R8 is connected to the main chip U1.
The main chip U1 starts working, the main chip U1 judges whether the main chip U1 is in a sleep mode or a normal working mode, the ① sleep mode, the main chip U1 does not process any treatment, the 8 th pin of the main chip U1 does not output signals to cut off the power supply of the constant voltage constant current control chip U2 in the rectification voltage stabilizing circuit 4, the ② normal working mode, the 8 th pin of the main chip U1 outputs signals to control the base of the triode T1 to conduct the triode T1, after the triode T1 is conducted, the constant voltage constant current control chip U2 is powered by the third resistor R3 and the fifth resistor R5 after voltage division through the seventh resistor R7 to control the gate of the thyristor SCR to conduct the thyristor SCR, and after the thyristor is conducted, the constant voltage control chip U2 works normally after voltage division through the third resistor R3 and the fifth resistor R5.
The rectification voltage stabilizing circuit 4 includes: the rectification unit is connected with the incoming line power circuit 1, the voltage stabilizing unit is connected with the control circuit 3, and the rectification unit is connected with the voltage stabilizing unit.
The rectifying unit includes: the diode circuit comprises a second diode D2, a ninth resistor R9 and a third capacitor C3, wherein the anode of the second diode D2 is connected with a live wire L, the cathode of the second diode D2 is connected with the first end of the ninth resistor R9, the second end of the ninth resistor R9 is connected with the first end of the third capacitor C3, and the second end of the third capacitor C3 is grounded. After being rectified by the second diode D2 and protected by the ninth resistor R9, the energy is stored in the third capacitor C3.
The voltage stabilization unit includes: the constant-voltage constant-current control circuit comprises a third diode D3, a fourth diode D4, a fifth diode D5, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, a seventeenth resistor R17, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an inductor L1, an NMOS tube T2 and a constant-voltage constant-current control chip U2. The constant-voltage constant-current control chip U2 is a constant-voltage constant-current control chip with the model number of BP 6519. In a specific implementation, other types of constant voltage and constant current control chips may be selected, and this embodiment is not limited.
The drain of the NMOS transistor T2 is connected to the first end of the third capacitor C3, the source of the NMOS transistor T2 is connected to the current sampling terminal of the constant voltage constant current control chip U2, two ends of the tenth resistor R10 are connected to the gate of the NMOS transistor T2 and the gate driving terminal of the constant voltage constant current control chip U2, two ends of the eleventh resistor R11 are connected to the gate and the source of the NMOS transistor T2, two ends of the twelfth resistor R12 are connected to the source of the NMOS transistor T2 and ground, two ends of the thirteenth resistor R13 are connected to the source of the NMOS transistor T2 and the common ground, the cathode of the thyristor SCR is connected to the power terminal of the constant voltage constant current control chip U2, the power terminal of the constant voltage control chip U2 is connected to the first end of the fourth capacitor C42, two ends of the fourteenth resistor R14 are connected to the second end of the fourth capacitor C4 and the feedback voltage input terminal of the constant voltage control chip 46u 48, two ends of the fifth capacitor C5 are connected to the fourth terminal of the fourteenth resistor R14 and the fourteenth resistor R14, the first end of the fourteenth resistor R14 is connected to the common ground, and the ground of the constant-voltage constant-current control chip U2 is connected to the common ground.
The anode of the third diode D3 is grounded, the cathode of the third diode D3 is grounded, the anode of the fourth diode D4 is grounded, the cathode of the fourth diode D4 is grounded, the first end of the inductor L1 is grounded, the second end of the fourteenth resistor R14 is connected to the first end of the fifteenth resistor R15, the second end of the fifteenth resistor R15 is connected to the first end of the sixteenth resistor R16, the second end of the sixteenth resistor R16 is connected to the second end of the inductor L1, the two ends of the seventeenth resistor R17 are connected to the second end of the inductor L1 and grounded, the two ends of the sixth capacitor C6 are connected to the second end of the inductor L1 and grounded, the two ends of the seventh capacitor C7 are connected to the second end of the inductor L1 and grounded, the anode of the fifth diode D5 is grounded, and the cathode of the fifth diode D5 is connected to the second end of the inductor L1.
The third capacitor C3 stores energy and then reaches the drain of the NMOS transistor T2, and the gate driving terminal of the constant voltage constant current control chip U2 controls the gate of the NMOS transistor T2, so that the NMOS transistor T2 is in a switching state. The source of the NMOS transistor T2 is connected to the current sampling terminal of the constant voltage constant current control chip U2. The voltage generated at the current sampling end of the constant-voltage constant-current control chip U2 is protected by a twelfth resistor R12 and a thirteenth resistor R13 to obtain 12V voltage after passing through an inductor L1. The 12V voltage is divided by a fifteenth resistor R15, a sixteenth resistor R16 and a seventeenth resistor R17 and then reaches the feedback voltage input end of the constant voltage and constant current control chip U2, and the feedback voltage input end of the constant voltage and constant current control chip U2 is connected with a fifth capacitor C5 (filter capacitor). At this time, the constant-voltage constant-current control chip U2 works normally to generate 12V voltage. The 12V voltage is protected and grounded through a seventeenth resistor R17, and is filtered by a sixth capacitor C6 (a filter capacitor), stored by a seventh capacitor C7 (an energy storage capacitor), and stabilized by a fifth diode D5 (a voltage stabilizing diode), and a stable 12V direct current voltage is output.
The voltage stabilization conversion circuit 5 includes: the low-dropout linear regulator chip U3, a sixth diode D6, a seventh diode D7, an eighth capacitor C8 and a ninth capacitor C9, wherein a voltage input end of the low-dropout linear regulator chip U3 is connected with a second end of the inductor L1, a voltage output end of the low-dropout linear regulator chip U3 is connected with an anode of the sixth diode D6, a ground end of the low-dropout linear regulator chip U3 is grounded, two ends of the eighth capacitor C8 are respectively connected with a cathode of the sixth diode D6 and the ground, two ends of the ninth capacitor C9 are respectively connected with a cathode of the sixth diode D6 and the ground, an anode of the seventh diode D7 is grounded, a cathode of the seventh diode D7 is connected with a cathode of the sixth diode D6, and a cathode of the sixth diode D6 is connected with the main chip U1 so as to supply power to the main chip U1. The neutral line N is connected to the ground of all devices. The low-dropout linear voltage stabilization chip U3 is a low-dropout linear voltage stabilization chip with model number ME 6209A-50P. In specific implementation, other types of low dropout linear voltage stabilizing chips can be selected, and this embodiment is not limited.
The stable 12V direct current voltage is applied to the voltage input end of the low-dropout linear regulator chip U3. The output voltage of the voltage output end of the low-dropout linear voltage regulation chip U3 is protected by a sixth diode D6 (Schottky diode), then VCC (5V voltage) obtained later is filtered by an eighth capacitor C8 (filter capacitor), then the filtered voltage is stored by a ninth capacitor C9 (energy storage capacitor), the filtered voltage is regulated by a seventh diode D7 (voltage regulation diode), a power supply pin is supplied to a main chip U1, and the whole circuit is normally powered at the moment.
To sum up, the embodiment of the utility model provides a small-size reclosing lock includes inlet wire power supply circuit, main chip stand-by power supply circuit, control circuit, rectification voltage stabilizing circuit and steady voltage converting circuit, can realize the switching between sleep mode and the normal operating mode, will bring very big convenience in practical application.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A miniature reclosing lock is characterized by comprising:
the incoming line power circuit is used for providing voltage dependent resistor protection for a live line and a zero line;
the main chip standby power supply circuit is connected with the incoming line power supply circuit and used for providing standby power supply for the main chip through the live line and the zero line so as to enable the main chip to start working;
the control circuit is connected with the main chip standby power supply circuit and is used for not outputting signals to cut off the power supply of the rectification voltage stabilizing circuit when the main chip judges that the current mode is the sleep mode and outputting signals to switch on the power supply of the rectification voltage stabilizing circuit when the main chip judges that the current mode is switched to the normal working mode;
the rectification voltage stabilizing circuit is respectively connected with the incoming line power circuit and the control circuit and is used for outputting stable 12V direct-current voltage under the action of the incoming line power circuit and the control circuit;
and the voltage stabilizing conversion circuit is connected with the rectifying and voltage stabilizing circuit and is used for converting the stable 12V direct current voltage into the stable 5V direct current voltage so as to supply power to the main chip.
2. The miniature reclosing lock according to claim 1, wherein the incoming power circuit comprises a live wire, a neutral wire and a voltage dependent resistor, a first end of the voltage dependent resistor is connected to the live wire, and a second end of the voltage dependent resistor is connected to the neutral wire.
3. The miniature reclosure of claim 1, wherein the main chip standby power supply circuit comprises: the high-voltage fuse comprises a first diode, a first resistor, a second resistor and a first capacitor, wherein the anode of the first diode is connected with the live wire, the cathode of the first diode is connected with the first end of the first resistor, the second end of the first resistor is connected with the first end of the second resistor, the second end of the second resistor is connected with the first end of the first capacitor, the second end of the first capacitor is grounded, and the first end of the first capacitor is further connected with the main chip.
4. The miniature reclosure of claim 3, wherein the control circuit comprises: the cathode of the first diode is further connected with the first end of the third resistor and the first end of the fourth resistor respectively, the second end of the third resistor is connected with the first end of the fifth resistor, the second end of the fourth resistor is connected with the first end of the sixth resistor, the second end of the fifth resistor is connected with the first end of the seventh resistor, the second end of the seventh resistor is connected with the gate pole of the thyristor, the second end of the sixth resistor is connected with the anode of the thyristor, the first end of the seventh resistor is further connected with the collector electrode of the triode, the first end of the second capacitor is connected with the emitter electrode of the triode, the second end of the second capacitor is connected with the base electrode of the triode, and the first end of the second capacitor is grounded, and the second end of the second capacitor is connected with the first end of the eighth resistor, and the second end of the eighth resistor is connected with the main chip.
5. The miniature reclosure of claim 4, wherein the rectifying and voltage stabilizing circuit comprises: the rectifying unit is connected with the incoming line power circuit, the voltage stabilizing unit is connected with the control circuit, and the rectifying unit is connected with the voltage stabilizing unit.
6. The miniature reclosure of claim 5, wherein the commutation unit comprises: the anode of the second diode is connected with the live wire, the cathode of the second diode is connected with the first end of the ninth resistor, the second end of the ninth resistor is connected with the first end of the third capacitor, and the second end of the third capacitor is grounded.
7. The miniature reclosure of claim 6, wherein the voltage stabilizing unit comprises: the constant-voltage constant-current control circuit comprises a third diode, a fourth diode, a fifth diode, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a seventeenth resistor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an inductor, an NMOS (N-channel metal oxide semiconductor) tube and a constant-voltage constant-current control chip;
the drain electrode of the NMOS tube is connected with the first end of the third capacitor, the source electrode of the NMOS tube is connected with the current sampling end of the constant-voltage constant-current control chip, the two ends of the tenth resistor are respectively connected with the grid electrode of the NMOS tube and the grid electrode driving end of the constant-voltage constant-current control chip, the two ends of the eleventh resistor are respectively connected with the grid electrode and the source electrode of the NMOS tube, the two ends of the twelfth resistor are respectively connected with the source electrode and the ground of the NMOS tube, the two ends of the thirteenth resistor are respectively connected with the source electrode and the common ground, the cathode of the thyristor is connected with the power supply end of the constant-voltage constant-current control chip, the power supply end of the constant-voltage constant-current control chip is connected with the first end of the fourth capacitor, and the two ends of the fourteenth resistor are respectively connected with the second end of the fourth capacitor and the, two ends of the fifth capacitor are respectively connected with a first end of a fourteenth resistor and a second end of the fourteenth resistor, the first end of the fourteenth resistor is connected with a common ground end, and the ground end of the constant-voltage constant-current control chip is connected with the common ground end;
the anode of the third diode is grounded, the cathode of the third diode is grounded, the anode of the fourth diode is grounded, the cathode of the fourth diode is grounded, the first end of the inductor is grounded, the second end of the fourteenth resistor is connected with the first end of the fifteenth resistor, the second end of the fifteenth resistor is connected with the first end of the sixteenth resistor, the second end of the sixteenth resistor is connected with the second end of the inductor, the two ends of the seventeenth resistor are respectively connected with the second end of the inductor and grounded, the two ends of the sixth capacitor are respectively connected with the second end of the inductor and grounded, the two ends of the seventh capacitor are respectively connected with the second end of the inductor and grounded, the anode of the fifth diode is grounded, and the cathode of the fifth diode is connected with the second end of the inductor.
8. The miniature reclosure of claim 7, wherein the voltage regulation switching circuit comprises: the voltage input end of the low-voltage-difference linear voltage stabilizing chip is connected with the second end of the inductor, the voltage output end of the low-voltage-difference linear voltage stabilizing chip is connected with the anode of the sixth diode, the grounding end of the low-voltage-difference linear voltage stabilizing chip is grounded, the two ends of the eighth capacitor are respectively connected with the cathode of the sixth diode and grounded, the two ends of the ninth capacitor are respectively connected with the cathode of the sixth diode and grounded, the anode of the seventh diode is grounded, the cathode of the seventh diode is connected with the cathode of the sixth diode, and the cathode of the sixth diode is connected with the main chip so as to supply power to the main chip.
9. The miniature reclosure of claim 1, wherein the master chip is a microcontroller type HC89S003F 4.
10. The miniature reclosure according to claim 8, wherein the constant voltage constant current control chip is a constant voltage constant current control chip with model number BP6519, and the low dropout linear regulator chip is with model number ME 6209A-50P.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921514505.4U CN210201549U (en) | 2019-09-11 | 2019-09-11 | Small-size reclosing lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921514505.4U CN210201549U (en) | 2019-09-11 | 2019-09-11 | Small-size reclosing lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210201549U true CN210201549U (en) | 2020-03-27 |
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ID=69865568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921514505.4U Active CN210201549U (en) | 2019-09-11 | 2019-09-11 | Small-size reclosing lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210201549U (en) |
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2019
- 2019-09-11 CN CN201921514505.4U patent/CN210201549U/en active Active
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