CN113890191B - High-voltage display locking device with power supply module and inductive probe integrated - Google Patents
High-voltage display locking device with power supply module and inductive probe integrated Download PDFInfo
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- CN113890191B CN113890191B CN202111163930.5A CN202111163930A CN113890191B CN 113890191 B CN113890191 B CN 113890191B CN 202111163930 A CN202111163930 A CN 202111163930A CN 113890191 B CN113890191 B CN 113890191B
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- 239000000523 sample Substances 0.000 title claims abstract description 73
- 230000001939 inductive effect Effects 0.000 title claims description 31
- 230000006698 induction Effects 0.000 claims abstract description 67
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000000007 visual effect Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/05—Circuit arrangements or systems for wireless supply or distribution of electric power using capacitive coupling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses a high-voltage display locking device with a power supply module and an induction probe integrated, which comprises a device shell, a control module, a voltage induction probe, a power supply module, a voltage superposition module and a high-voltage locking display module. The control module and the voltage induction probe are both positioned on the outer surface of the device shell, the voltage induction probe is formed by splicing a plurality of voltage induction polar plates with different areas, the voltage induction polar plates are in one-to-one correspondence with a plurality of voltage input ends of the voltage superposition module and are respectively connected with one electronic switch, and the control module is respectively connected with control signal input ends of the electronic switches; the voltage output end of the voltage superposition module is connected with the power supply input end of the power supply module, the signal detection end of the high-voltage locking display module is connected with the voltage input end of the voltage superposition module in a one-to-one correspondence manner, and the power supply output end of the power supply module is connected with the power supply input end of the high-voltage locking display module. The invention makes the high-voltage display locking device more convenient and safer to use.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a high-voltage display locking device with a power supply module and an inductive probe integrated.
Background
The high-voltage live display locking device is mainly installed on a line grounding knife, a bus voltage transformer grounding knife, a switch cabinet and other places needing locking to be locked to realize forced locking, so that electrical misoperation is prevented, a control loop of corresponding equipment is connected through a locking contact of the high-voltage live display locking device to achieve the purpose of preventing live switching of the grounding knife, preventing mistaken entering of a live interval and improving the mistaken prevention performance of the switch equipment.
The current high-voltage live display locking device comprises a sensor and a host, wherein the sensor of the high-voltage live display locking device detects whether equipment is electrified or not in a mode of inductive coupling, capacitive coupling, direct contact with an electrified body and the like, a probe senses smaller voltage, the sensed voltage is input into the host, the host judges whether the equipment is electrified or not according to a voltage value, and when the host works, a 220V alternating current power supply is required to be connected and low-voltage power supply of the host is realized through a power conversion device. However, the external ac power supply needs not only an external power supply but also a corresponding power conversion circuit. On the basis, as the locking output contact of the high-voltage live display locking device is a direct-current control loop connected with equipment such as a ground knife, the high-voltage live display locking device is internally required to be simultaneously connected with an alternating-current power supply and a direct-current power supply, and the alternating-current power supply and the direct-current power supply are easy to cause alternating current to enter direct current when the equipment is replaced or wetted, so that a direct-current system of a transformer substation is failed. Therefore, the mode of adopting an external alternating current power supply is inconvenient, and the fault risk exists, so that the device is not safe to use.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the high-voltage display locking device with the integrated power supply module and the inductive probe is provided, so that the high-voltage display locking device is more convenient and safer to use.
In order to solve the problems, the invention adopts the following scheme:
a high-voltage display locking device with a power supply module and an induction probe integrated comprises a device shell, a control module, a voltage induction probe, a power supply module, a voltage superposition module and a high-voltage locking display module, wherein the power supply module, the voltage superposition module and the high-voltage locking display module are arranged in the device shell;
the control module and the voltage induction probes are arranged on the outer surface of the device shell, the voltage induction probes are formed by splicing a plurality of voltage induction polar plates with different areas, the voltage induction polar plates are in one-to-one correspondence with a plurality of voltage input ends of the voltage superposition module and are respectively connected with one electronic switch, and the control module is respectively connected with control signal input ends of the electronic switches;
the voltage output end of the voltage superposition module is connected with the power supply input end of the power supply module, the signal detection end of the high-voltage locking display module is connected with the voltage input end of the voltage superposition module in a one-to-one correspondence manner, and the power supply output end of the power supply module is connected with the power supply input end of the high-voltage locking display module.
In summary, the beneficial effects of the invention are as follows: the utility model provides a power module and integrated high voltage display blocking device of inductive probe changes the power supply mode of original use external alternating current power supply, and the voltage that directly utilizes voltage inductive probe induction is as the power supply of device for voltage inductive probe not only is used for electrified detection, can also be as the power supply source, and use the voltage induction polar plate concatenation that the area is different to form, the voltage class of the electrified equipment who is actually detected can be based on the effective inductive area that voltage inductive probe was used for supplying power of regulation voltage inductive probe control by the power input that electronic switch produced, thereby adapt to different application occasions, there is not the trouble risk that exchanges and scurry into direct current, use nimble intelligence, make high voltage display blocking device use more convenient, and is safer.
Drawings
FIG. 1 is a front view of a high voltage display lockout device of the present invention with a power module integrated with an inductive probe;
FIG. 2 is a front view of a high voltage display latch of the present invention with a power module integrated with an inductive probe;
FIG. 3 is a block diagram of a high voltage display locking device with a power module integrated with an inductive probe according to the present invention.
Description of the reference numerals:
1. a device housing; 2. a control module; 3. a voltage sensing probe; 4. a power module; 5. a voltage superposition module; 6. a high voltage lockout display module; 7. a voltage sensing electrode plate; 8. an electronic switch; 9. a groove; 10. a through hole; 11. a slide rail; 12. a slide block; 13. a key input module; 14. an audible and visual alarm device; 15. a voltage acquisition module; 16. a display screen; 141. a buzzer; 142. an indicator light.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 3, a high voltage display locking device with a power supply module and an inductive probe integrated comprises a device housing 1, a control module 2, a voltage inductive probe 3, a power supply module 4, a voltage superposition module 5 and a high voltage locking display module 6, wherein the power supply module 4, the voltage superposition module 5 and the high voltage locking display module 6 are arranged in the device housing 1;
the control module 2 and the voltage induction probe 3 are both arranged on the outer surface of the device shell 1, the voltage induction probe 3 is formed by splicing a plurality of voltage induction polar plates 7 with different areas, the voltage induction polar plates 7 are in one-to-one correspondence with a plurality of voltage input ends of the voltage superposition module 5 and are respectively connected with each other through an electronic switch 8, and the control module 2 is respectively connected with control signal input ends of the electronic switches 8;
the voltage output end of the voltage superposition module 5 is connected with the power supply input end of the power supply module 4, the signal detection end of the high-voltage locking display module 6 is connected with the voltage input end of the voltage superposition module 4 in a one-to-one correspondence manner, and the power supply output end of the power supply module 4 is connected with the power supply input end of the high-voltage locking display module 6.
From the above description, the beneficial effects of the invention are as follows: the utility model provides a power module and integrated high voltage display blocking device of inductive probe changes the power supply mode of original use external alternating current power supply, and the voltage that directly utilizes voltage inductive probe 3 to induce is the power supply of device, make voltage inductive probe 3 not only be used for electrified detection, can also be as the power supply source, and use the voltage induction polar plate 7 concatenation of area difference to form, the effective inductive area that voltage inductive probe 3 was used for supplying power can be adjusted according to the voltage class of the electrified equipment of actual detection to the power input that uses the electronic switch 8 to control its production, thereby adapt to different application occasions, there is not the trouble risk that exchanges scurry direct current, use nimble intelligence, make high voltage display blocking device use more conveniently, it is safer.
Further, one voltage induction polar plate 7 is a circular polar plate, and the other voltage induction polar plates 7 are annular polar plates which are different in size and concentric with the circular polar plate;
the circular ring-shaped polar plates and the circular polar plates are spliced in a staggered manner to form the circular voltage induction probe 3.
From the above description, the voltage sensing probe 3 is formed by splicing a circular polar plate and a plurality of circular polar plates, which is beneficial to realizing seamless splicing, and reaches the maximum sensing area with the minimum perimeter, thereby increasing the sensing effect of the probe. Along with the increase of the annular polar plate, the effective induction area of the probe is continuously increased and can be matched with the electronic switch 8 so as to be suitable for different voltage class application occasions according to actual needs, and the size of the power supply voltage is reasonably controlled while different equipment is electrified to be detected.
Further, a groove 9 with a size matched with that of the voltage induction probe 3 is arranged on the outer surface of the device shell 1;
a through hole 10 is formed at the bottom of the groove 9 corresponding to each voltage induction polar plate 7, and the voltage induction polar plates 7 are connected with the electronic switch 8 through the through holes 10;
the circular polar plates are fixed at corresponding positions in the grooves 9, and the circular polar plates are detachably connected with the circular polar plates and the adjacent circular polar plates.
It can be seen from the above description that the circular polar plate is fixed in the groove 9, and the other circular polar plates are spliced and installed in a detachable connection manner, so that the circular polar plate is convenient to install and detach from the device, and the circular polar plates with other sizes can be replaced according to the actual use requirement, so that the use is flexible, and the voltage output of the whole voltage induction probe 3 can be accurately and conveniently controlled.
Further, sliding rails 11 and sliding blocks 12 are arranged on the side surfaces of the voltage induction polar plates 7 in a staggered mode;
one end of the sliding rail 11 in the rail direction is of a closed structure, and the adjacent voltage induction polar plates 7 are connected with the sliding block 12 in a sliding manner through the sliding rail 11.
As can be seen from the above description, the voltage induction polar plates 7 are connected by matching the sliding blocks 12 with the sliding rails 11, so that the combination is convenient and easy to detach.
Further, the device also comprises a key input module 13;
the key input module 13 is arranged on the outer surface of the device shell 1 and is connected with the control module 2;
the key input module 13 is used for controlling the on and off of each electronic switch 8 through the control module 2.
From the above description, when the device is in use, different voltage levels can be input through the key input module 13 to correspondingly control the electronic switch 8, so as to control the output voltage of the whole voltage sensing probe 3, thereby being capable of meeting different use requirements of users, being free to switch, and being more intelligent and convenient to use.
Further, the device also comprises an audible and visual alarm device 14;
the audible and visual alarm 14 is disposed on the outer surface of the device housing 1 and is connected to the high-pressure lock display module 6.
As can be seen from the above description, the audible and visual alarm device 14 can send out audible and visual alarm according to the detection result of the actual high-voltage locking display module 6, so as to intuitively and physically indicate the state of the electrified device, thereby assisting the work of the electrified operator to be smoothly performed and guaranteeing the personal safety of the electrified operator.
Further, the device also comprises a voltage acquisition module 15;
the voltage acquisition module 15 is respectively connected with the voltage output ends of the control module 2 and the voltage superposition module 5, and the control module 2 is connected with the audible and visual alarm device 14.
As can be seen from the above description, the audible and visual alarm is further configured to perform audible and visual alarm on the acquired result of the voltage output of the voltage superposition module 5 according to the voltage acquisition module 15 received by the control module 2, so as to avoid that the abnormal situation of the power supply of the device due to the failure of part of the voltage induction polar plates 7 cannot be found in time, and can assist the operator in performing the equipment maintenance work, thereby ensuring the safe and stable operation of the equipment.
Further, the audible and visual alarm 14 includes a buzzer 141 and an indicator light 142;
the high-voltage locking display module 6 is respectively connected with the buzzer 141 and the indicator light 142;
the buzzer 141 and the indicator lamp 142 are disposed separately on the outer surface of the device housing 1.
As can be seen from the above description, the audible prompt is given in the form of a buzzer, and the audible prompt is matched with the light of the indicator light 142 to achieve a physical indication effect which is easy to catch, so that the alarm information can be perceived by the operator as soon as possible.
Further, a display screen 16;
the display screen 16 is disposed on the outer surface of the device housing 1 and is connected to the control module 2.
From the above description, the display screen 16 may be used to display live detection results or internal operation status information of the device, so as to facilitate maintenance of the device by operators.
Further, the voltage sensing probe 3 is a near field coupling probe.
As is apparent from the above description, the electrification state of the device can be accurately detected by using the near-field coupling method without directly contacting the electrification detecting device, but by using the electromagnetic induction coupling method.
Referring to fig. 1 and 3, a first embodiment of the present invention is as follows:
the high-voltage display locking device with the integrated power supply module and the induction probe comprises a device shell 1, a control module 2, a display screen 16, a key input module 13, a voltage induction probe 3, a power supply module 4, a voltage superposition module 5 and a high-voltage locking display module 6, wherein the power supply module, the voltage superposition module 5 and the high-voltage locking display module 6 are arranged in the device shell 1, as shown in fig. 1 and 3. The control module 2 and the voltage induction probe 3 are both arranged on the outer surface of the device shell 1, the voltage induction probe 3 is formed by splicing a plurality of voltage induction polar plates 7 with different areas, the voltage induction polar plates 7 are in one-to-one correspondence with a plurality of voltage input ends of the voltage superposition module 5 and are respectively connected with one electronic switch 8, and the control module 2 is respectively connected with a plurality of control signal input ends of the electronic switches 8. The voltage output end of the voltage superposition module 5 is connected with the power supply input end of the power supply module 4, the signal detection end of the high-voltage locking display module 6 is connected with the voltage input end of the voltage superposition module 4 in a one-to-one correspondence manner, and the power supply output end of the power supply module 4 is connected with the power supply input end of the high-voltage locking display module 6. The display screen 16 is disposed on the outer surface of the device housing 1 and is connected to the control module 2. The key input module 13 is arranged on the outer surface of the device shell 1 and is connected with the control module 2; the key input module 13 is used for controlling the on and off of each electronic switch 8 through the control module 2.
In this embodiment, the use process of the high-voltage display locking device is as follows:
first, the device is installed on the equipment. The user inputs the voltage grade actually belonged to by the equipment through the key input module 13, and then the control module 2 adjusts the switching condition of each electronic switch 8 according to the input content, namely controls the actual voltage output of the voltage induction probe 3 so as to ensure that the power supply of the high-voltage display locking device is normal;
secondly, in the actual electrification detection process, the voltage induction probe 3 correspondingly generates output voltage when sensing electrification of equipment, and the voltage output of a part of voltage induction polar plates 7 is overlapped to form the actual voltage output of the voltage induction probe 3 by the voltage superposition module 5 for charging the power supply module 4; the power supply module 4 supplies power to the high-voltage locking display module 6; the high-voltage locking display module 6 judges that the equipment is electrified after detecting that the voltage sensing probe 3 outputs voltage, and outputs a judging result.
In this embodiment, the voltage sensing probe 3 is a near field coupling probe, and detects the charged device by using a near field coupling method.
Referring to fig. 2, a second embodiment of the present invention is as follows:
on the basis of the first embodiment, as shown in fig. 2, one voltage induction polar plate 7 is a circular polar plate, and the rest voltage induction polar plates 7 are circular polar plates which are different in size and concentric with the circular polar plate. The circular ring-shaped polar plates and the circular polar plates are spliced in a staggered manner to form the circular voltage induction probe 3. In other equivalent embodiments, the voltage sensing electrode plate 7 can be designed into other shapes such as square, triangle, etc.
In this embodiment, as shown in fig. 2, for easy installation, the outer surface of the device housing 1 is provided with a groove 9 which is adapted to the voltage sensing probe 3. The bottom of the groove 9 is provided with a through hole 10 corresponding to each voltage induction polar plate 7, and the voltage induction polar plates 7 are connected with the electronic switch 8 through the through holes 10. The circular polar plates are fixed at corresponding positions in the grooves 9, and the circular polar plates are detachably connected with the circular polar plates and the adjacent circular polar plates.
In this embodiment, the side surfaces of the voltage induction polar plates 7 are provided with sliding rails 11 and sliding blocks 12 in a staggered distribution manner; one end of the sliding rail 11 in the rail direction is of a closed structure, and the adjacent voltage induction polar plates 7 are connected with the sliding block 12 in a sliding manner through the sliding rail 11. In other equivalent embodiments, the adjacent voltage sensing electrode plates 7 may be connected and fixed by other connection methods such as snap connection.
Referring to fig. 3, a third embodiment of the present invention is as follows:
the high-voltage display locking device with the power supply module and the induction probe integrated is based on the first or second embodiment, as shown in fig. 3, and further comprises a voltage acquisition module 15 and an audible and visual alarm device 14 consisting of a buzzer 141 and an indicator light 142. The voltage acquisition module 15 is respectively connected with the voltage output ends of the control module 2 and the voltage superposition module 5, and the control module 2 is connected with the audible and visual alarm device 14. The high-pressure locking display module 6 is respectively connected with the buzzer 141 and the indicator light 142. The buzzer 141 and the indicator lamp 142 are disposed separately on the outer surface of the device housing 1.
In this embodiment, the voltage acquisition module 15, the control module 2 and the audible and visual alarm device 14 cooperate to monitor in real time whether the voltage output of the voltage superposition module 5 is normal or not, and perform audible and visual alarm when detecting that the output is abnormal, so as to help operators to timely detect the abnormal power supply condition of some devices, and ensure the reliability of power supply of the voltage sensing probe 3.
In summary, the invention discloses a high-voltage display locking device integrating a power supply module and an inductive probe, which changes the original power supply mode using an external alternating current power supply, directly uses the voltage induced by the voltage inductive probe as the power supply of the device, so that the voltage inductive probe is not only used for live detection, but also can be used as a power supply source, and is formed by matching and splicing voltage inductive polar plates with different areas through sliding rails and sliding blocks, the power supply input generated by the voltage inductive probe is controlled by an electronic switch, and the effective induction area of the voltage inductive probe for power supply can be adjusted according to the voltage level of the actually detected live equipment, thereby adapting to different application occasions, having no fault risk of alternating current channeling-in direct current, being provided with an audible and visual alarm device consisting of a buzzer and an indicator lamp, being convenient to maintain, flexible and intelligent to use, and enabling the high-voltage display locking device to be more convenient and safer to use.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant technical field, are included in the scope of the present invention.
Claims (10)
1. The high-voltage display locking device with the integrated power supply module and the induction probe is characterized by comprising a device shell, a control module, a voltage induction probe, a power supply module, a voltage superposition module and a high-voltage locking display module, wherein the power supply module, the voltage superposition module and the high-voltage locking display module are arranged in the device shell;
the control module and the voltage induction probes are arranged on the outer surface of the device shell, the voltage induction probes are formed by splicing a plurality of voltage induction polar plates with different areas, the voltage induction polar plates are in one-to-one correspondence with a plurality of voltage input ends of the voltage superposition module and are respectively connected with one electronic switch, and the control module is respectively connected with control signal input ends of the electronic switches;
the voltage output end of the voltage superposition module is connected with the power supply input end of the power supply module, the signal detection end of the high-voltage locking display module is connected with the voltage input end of the voltage superposition module in a one-to-one correspondence manner, and the power supply output end of the power supply module is connected with the power supply input end of the high-voltage locking display module.
2. The high-voltage display locking device integrated with a power supply module and an induction probe according to claim 1, wherein one voltage induction polar plate is a circular polar plate, and the rest voltage induction polar plates are circular polar plates which are different in size and are concentric with the circular polar plate;
and the circular ring-shaped polar plates and the circular polar plates are spliced in a staggered manner to form the circular voltage induction probe.
3. The high-voltage display locking device integrated with a power supply module and an induction probe according to claim 2, wherein a groove with a size matched with that of the voltage induction probe is arranged on the outer surface of the device shell;
the bottom of the groove is provided with a through hole corresponding to the position of each voltage induction polar plate, and the voltage induction polar plates are connected with the electronic switch through the through holes;
the circular polar plates are fixed at corresponding positions in the grooves, and the circular polar plates are detachably connected with the circular polar plates and the adjacent circular polar plates.
4. The high-voltage display locking device integrated with a power supply module and an induction probe according to claim 3, wherein sliding rails and sliding blocks are arranged on the side surface of the voltage induction polar plate in a staggered manner;
one end of the sliding rail in the rail direction is of a closed structure, and the adjacent voltage induction polar plates are connected with the sliding block in a sliding manner through the sliding rail.
5. The high voltage display locking device integrated with an inductive probe of claim 1, further comprising a key input module;
the key input module is arranged on the outer surface of the device shell and is connected with the control module;
the key input module is used for controlling the on and off of each electronic switch through the control module.
6. The high voltage display locking device integrated with an inductive probe of claim 1, further comprising an audible and visual alarm;
the audible and visual alarm device is arranged on the outer surface of the device shell and is connected with the high-pressure locking display module.
7. The high voltage display locking device integrated with an inductive probe of claim 6, further comprising a voltage acquisition module;
the voltage acquisition module is respectively connected with the control module and the voltage output end of the voltage superposition module, and the control module is connected with the audible and visual alarm device.
8. The high-voltage display locking device integrated with a power supply module and an inductive probe according to claim 6, wherein the audible and visual alarm device comprises a buzzer and an indicator light;
the high-voltage locking display module is respectively connected with the buzzer and the indicator lamp;
the buzzer and the indicator light are arranged on the outer surface of the device shell in a separated mode.
9. The high voltage display lockout device of claim 1, further comprising a display screen;
the display screen is arranged on the outer surface of the device shell and is connected with the control module.
10. The high voltage display lockout device of claim 1 wherein the voltage sensing probe is a near field coupling probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111163930.5A CN113890191B (en) | 2021-09-30 | 2021-09-30 | High-voltage display locking device with power supply module and inductive probe integrated |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111163930.5A CN113890191B (en) | 2021-09-30 | 2021-09-30 | High-voltage display locking device with power supply module and inductive probe integrated |
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| CN113890191A CN113890191A (en) | 2022-01-04 |
| CN113890191B true CN113890191B (en) | 2024-04-05 |
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| Title |
|---|
| 用于输电线路监测设备的一种电场感应取能电源;何宁辉;张佩;吴旭涛;李秀广;刘正阳;杨正涛;;电源学报;20200930(05);全文 * |
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| CN113890191A (en) | 2022-01-04 |
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