CN213846065U - Non-electric alarm device for insulating rod operation method - Google Patents
Non-electric alarm device for insulating rod operation method Download PDFInfo
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- CN213846065U CN213846065U CN202022691928.2U CN202022691928U CN213846065U CN 213846065 U CN213846065 U CN 213846065U CN 202022691928 U CN202022691928 U CN 202022691928U CN 213846065 U CN213846065 U CN 213846065U
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Abstract
The utility model relates to a distribution network equipment field, concretely relates to electroless alarm device for insulator spindle operation method. It includes the main casing, be equipped with detection device on the main casing, alarm device and be used for detection device, the power of alarm device power supply, when detection device can not detect the signal of telecommunication of line equipment, detection device control alarm device sends alarm signal, still include the insulator spindle, the main casing is fixed or detachably installs the head at the insulator spindle, be equipped with linkage and locking portion on the main casing, move the main casing through the insulator spindle and hang linkage and establish on line equipment, locking portion locks linkage and then fixes the main casing on line equipment. An object of the utility model is to provide an electroless alarm device for insulator spindle operation method can realize when using the insulator spindle as the insulator spindle operation method of work utensil, carries out the purpose of real-time status monitoring to line equipment normal operating.
Description
Technical Field
The utility model relates to a distribution network equipment field, concretely relates to electroless alarm device for insulator spindle operation method.
Background
The live working of the power distribution network is an effective means for improving the reliability of power supply and the satisfaction degree of power utilization of users, and is a conventional mode for overhauling the power distribution network at present. When the distribution network is in live working, the line equipment of the working point is in a normal live working state, and the working personnel performs standard operation according to the safety operation requirement to ensure the personal safety of the working personnel. At this time, if single-phase or multi-phase power is not available due to sudden failure, operators are exposed to operation overvoltage and abnormal voltage rise due to potential power restoration and strong power transmission operation, the amplitude of the operation overvoltage is 3-4 times of the normal voltage value, insulation shielding breakdown is possibly caused, and personal injury and death of the operators are caused. In the live working process of an actual power distribution network, whether the operation line equipment runs normally, whether the operation line equipment breaks down or not and whether the operation line equipment is out of power are judged, and generally, the operation line equipment is judged by simply testing the power once through electroscopes with corresponding voltage grades before operation. In the whole process of live working, a corresponding real-time detection device is not used for monitoring whether the line equipment is in a normal running state, if the line equipment suddenly breaks down and has power failure due to non-live working during the live working, field working responsible persons and operating personnel cannot timely know whether the line or the equipment is in voltage loss due to wearing insulating protective tools on the field, and at the moment, a large potential safety hazard of overvoltage operation exists.
The date of the bulletin is 2020.5.15, among "a distribution network live working does with electroless alarm device" of patent publication No. CN210534977U, the distribution network live working that provides one kind and uses electroless alarm device during insulating gloves method operation, including the power, monitoring devices, alarm device and insulating blanket clamp, insulating blanket clamp includes holder and pivot, the holder includes handle and clamp, two clamp set up relatively and cooperate and form the centre gripping chamber, rotate handle control centre gripping chamber and open or close, play the effect of pressing from both sides tightly and fixing to shielding the apparatus, monitoring devices includes signal acquisition device, signal processing device and control module, signal processing device handles the signal of telecommunication that signal acquisition device gathered and sends the processing result to control module, control module judges that the signal of telecommunication is unusual when controlling alarm device works.
However, the above-mentioned devices are only used when live working is directly performed by using the insulating glove method, but when live working is performed by using the insulating rod working method of the distribution network in consideration of a safe distance on site, since live working is performed by contacting the line device using the insulating rod as a tool, the electroless alarm device in the above-mentioned patent cannot perform operations such as clamping, opening, fixing, and retracting through the insulating rod at a long distance. Therefore, there is a need for a non-electric alarm device that can be used in live working by the insulation bar working method.
SUMMERY OF THE UTILITY MODEL
To prior art's electroless alarm device can't use the not enough of carrying out remote operation on the insulator spindle operation method, the utility model aims to provide an electroless alarm device for insulator spindle operation method can realize carrying out real-time status monitoring's purpose to whether normal operating of line equipment when using the insulator spindle as the insulator spindle operation method of working apparatus.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an electroless alarm device for insulator spindle operation method, including the main casing, be equipped with detection device on the main casing, alarm device and be used for detection device, the power of alarm device power supply, when detection device can not detect the signal of telecommunication of line equipment, detection device control alarm device sends alarm signal, still include the insulator spindle, the head at the insulator spindle is installed at or detachably to main casing fixing, be equipped with suspension portion and locking portion on the main casing, it establishes suspension portion to hang on line equipment to remove the main casing through the insulator spindle, locking portion locks suspension portion and then fixes the main casing on line equipment.
By adopting the technical scheme, the main shell is moved by operating the insulating rod, the main shell is hung on the line equipment through the hanging part to form primary positioning, the hanging part is locked by the locking part to fix the main shell on the line equipment to prevent the device from falling off from the line equipment, the locking part can be a self-locking structure arranged on the main shell or a locking structure arranged on the insulating rod to realize locking effect through operating the insulating rod, the detection device detects electric signals (such as electromagnetic field) of the line equipment, if the electric signals cannot be detected, the alarm device is activated to give an alarm to remind an operator that the line equipment is in a single-phase or multi-phase power-free state, the operator has the risk of being exposed to operation overvoltage and abnormal voltage rising at this time, the device realizes real-time active monitoring of the line equipment at an operation point during operation of the insulating rod operation method by additionally installing the insulating rod on the power-free alarm part, when the line equipment is in a single-phase or multi-phase powerless state, an alarm can be given out in time.
The utility model discloses further set up to: the main shell is provided with a U-shaped hook which forms the hanging part, and the hook is hung on the line equipment. Through this setting, because the existence of couple, the main casing can be hung well and establish on circuit equipment, forms preliminary location.
The utility model discloses still further set up to: the hook is internally provided with a clamping tongue, the main shell is provided with a clamp spring, the clamping tongue is movably arranged at the opening of the hook through the clamp spring, and after the hook is hung on line equipment, the clamping tongue forms a locking part to clamp the line equipment so that the main shell is fixed on the line equipment. Through the arrangement, the clamping tongue and the clamp spring can form a self-locking structure, and after the hook is hung on line equipment, the clamping tongue automatically generates clamping force on the line equipment, so that the hook is locked with the line equipment without locking operation.
The utility model discloses still further set up to: the number of the clamping tongues is two, the two clamping tongues are symmetrically arranged on two opposite side walls of the hook, the distance between the two clamping tongues is gradually reduced from the opening of the hook to the inside of the hook, one ends of the clamping tongues are hinged to the opening of the hook, the other ends of the clamping tongues extend towards the inside of the hook, the middle parts of the clamping tongues are connected with the hook through clamp springs, the clamp springs provide elastic force for the two clamping tongues to be close to each other, and the circuit equipment is clamped between the two clamping tongues. Through this setting, the insulator spindle operation couple hangs the process back of going up line equipment, and line equipment extrudes the block tongue on both sides, compresses the jump ring, and two block tongues produce balanced clamping-force to line equipment automatically to lock the couple on line equipment, when will take off, only need upwards lift up the couple through the insulator spindle, can realize the separation of this device and line equipment, the block tongue is automatic playback under the effect of jump ring.
The utility model discloses still further set up to: the hook is provided with a guide groove at one end far away from the opening of the hook, the free ends of the clamping tongues are positioned in the guide groove, a limiting block is arranged in the middle of the guide groove, and the free ends of the two clamping tongues respectively abut against the two sides of the limiting block. Through this setting, the latch is by the in-process of circuit equipment extrusion, and the guide slot can provide the guide effect for the motion of latch, guarantees that the motion position of latch accords with predetermineeing, and the latch has had the restriction of guide slot as the atress piece simultaneously, also is difficult for taking off the couple.
The utility model discloses still further set up to: the main shell is provided with a screw hole, one end of the insulating rod is provided with a screw rod, the screw rod and the screw hole form threaded fit, the screw rod can be screwed into the hook from the opening of the hook, and the screw rod forms a locking part to clamp the line equipment so that the main shell is fixed on the line equipment. Through this setting, after the circuit equipment was hung to the couple, the insulator spindle was rotated for the screw rod precession in to the couple, the screw rod was close to the circuit equipment gradually so that main shell is fixed on circuit equipment with chucking circuit equipment, when will take off, the reverse rotation insulator spindle was with the screw rod downward screw-out couple, can follow this device of taking off on the circuit equipment.
The utility model discloses still further set up to: the afterbody of insulator spindle is equipped with insulating handle, and the cover is equipped with rain cover on the insulator spindle, separates the rain cover and is the decurrent loudspeaker form of opening. Through this setting, insulating handle makes things convenient for the operation of operation personnel, separates the rain cover simultaneously and has certain rain-proof effect, and the construction also can provide the guard action under rainwater weather.
The utility model discloses still further set up to: the detection device comprises an electric signal acquisition unit and an electric signal control unit, the electric signal acquisition unit comprises an electromagnetic field sensor for detecting electromagnetic field signals of line equipment, the acquisition end of the electromagnetic field sensor is a metal foil, and the metal foil is attached to the inner wall of the main shell. Through this setting, electromagnetic field sensor can gather line equipment signal under the condition of not with line equipment direct contact, takes non-contact induction mode, can be under the condition of not destroying this device or line equipment's external insulation, whether real-time supervision line equipment is in electrified normal operating conditions.
The utility model discloses still further set up to: the alarm device comprises a buzzer positioned in the main shell and/or an LED lamp capable of displaying outside the main shell. Through this setting, when detecting that line equipment is in under the electroless state, the buzzer sends the buzzing, perhaps LED lamp scintillation, perhaps two kinds of alarm signal send simultaneously, reminds the operation personnel stop work immediately, withdraws personnel.
The utility model discloses still further set up to: the self-checking device comprises a self-checking button arranged outside the main shell and a testing loop electrically connected with the electric signal acquisition unit, and the testing loop is conducted by pressing the self-checking button to check the working states of the detection device and the alarm device. Through the setting, in order to prevent the detection device and the alarm device from being broken down before the test, namely under the condition of not contacting the running line equipment before the use, after the switch of the device is opened, the self-checking button can be pressed, the test loop is conducted, namely, the electromagnetic field signal of the line equipment is collected by the analog electric signal collection unit of the conduction test loop, and the working loop electric connection is tested to be in a normal state by checking whether the alarm device is silent or not.
The utility model has the advantages that: 1) the main shell is moved by operating the insulating rod, the main shell is hung on the line equipment through the hanging part to form preliminary positioning, the hanging part is locked through the locking part, the main shell is fixed on the line equipment, the device is prevented from falling off the line equipment, the locking part can be a self-locking structure arranged on the main shell, and can also be a locking structure arranged on the insulating rod and realizing locking effect through operating the insulating rod, and the device realizes real-time active monitoring on the line equipment at an operation point during operation of the insulating rod by additionally installing the insulating rod on the non-electricity alarm part for hanging; 2) the electromagnetic field sensor can acquire line equipment signals under the condition of not directly contacting with line equipment, adopts a non-contact induction mode, can monitor whether the line equipment is in a normal running state with electricity or not in real time under the condition of not damaging the external insulation of the device or the line equipment, and sends out an alarm signal to remind operating personnel to stop working immediately and evacuate the personnel when detecting that the line equipment is out of electricity; 3) the device is provided with a self-checking device, namely, under the condition that the device does not contact the running line equipment before use, after a switch of the device is turned on, a self-checking button can be pressed to conduct a test loop, namely, an analog electric signal acquisition unit of the conduction test loop acquires an electromagnetic field signal of the line equipment, and whether the alarm device is silent is checked to test that the working loop is electrically connected in a normal state so as to prevent the detection device and the alarm device from being in fault before test.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 1 of the present invention at another viewing angle;
fig. 3 is a schematic view of the internal structure of the main shell in embodiment 1 of the present invention;
fig. 4 is a front view of embodiment 1 of the present invention;
fig. 5 is a left side view of embodiment 1 of the present invention;
fig. 6 is a plan view of embodiment 1 of the present invention;
fig. 7 is a schematic structural view of embodiment 2 of the present invention;
fig. 8 is a schematic structural diagram of embodiment 2 of the present invention at another viewing angle;
fig. 9 is a schematic view of the internal structure of the main casing in embodiment 2 of the present invention;
fig. 10 is a front view of embodiment 2 of the present invention;
fig. 11 is a left side view of embodiment 2 of the present invention.
Reference numerals: the main shell 101, the insulating rod 102, the insulating handle 103, the rain shield 104, the hook 105, the latch 106, the snap spring 107, the guide groove 108, the limiting block 109, the screw 110 and the pressing block 111.
Detailed Description
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention is further described with reference to the drawings and the specific embodiments.
Example 1: as shown in figures 1 to 6 of the drawings,
the utility model provides an electroless alarm device for insulator spindle operation method, whether be used for detecting circuit equipment in the electroless state, the electroless indicates voltage and the state of no current simultaneously promptly, the electrified indicates that there is voltage and electric current simultaneously promptly, including main casing 101, main casing 101 is made by ultraviolet resistance and high temperature resistant polypropylene or ABS material, be equipped with detection device on the main casing 101, alarm device, power and switch, the break-make of on-off control power, the power is for detection device, alarm device power supply, the farthest end of main casing 101 is provided with metal fixing device, form the electricity with the anodal or the lead-out wire of negative pole of power and be connected, alarm device can adopt bee calling organ, LED lamp etc. when detecting circuit equipment is in the electroless state, bee calling organ sends bee sound, or the LED lamp scintillation, or two kinds of alarm signal send audible and visual alarm simultaneously.
The detection device comprises an electric signal acquisition unit and an electric signal control unit, wherein the electric signal acquisition unit is used for acquiring and monitoring the electric signal of the line equipment in live working of the power distribution network in real time, the collected electric signals are transmitted to an electric signal control unit, the electric signal collection unit comprises an electromagnetic field sensor for detecting electromagnetic field signals of line equipment, the collection end of the electromagnetic field sensor is made of metal foil, generally copper foil, or other metal foils (gold, silver, aluminum and the like), the metal foil is attached to the inner wall of the main shell 101 and can be in a strip shape, a block shape and other unlimited forms, the electromagnetic field sensor can collect the signals of the line equipment without being in direct contact with the line equipment and adopts a non-contact induction mode, the device can monitor whether the line equipment is in the normal running state with electricity in real time under the condition of not damaging the external insulation of the device or the line equipment.
The electric signal control unit processes the electromagnetic field signals collected by the electromagnetic field sensor and is responsible for sending the converted electromagnetic field signals to the driving circuit, when the line equipment is in a normal operation state, the electromagnetic field signals are normal, the electric signal control unit selects not to start the driving circuit and does not send a starting signal to the alarm device, and the buzzer or the LED lamp does not act. When the line equipment is in a non-electricity state, the electromagnetic field signals in normal operation cannot be collected, the electric signal control unit selectively starts the driving circuit, the alarm device sends out starting signals to enable the buzzer or the LED light to send out alarm signals, and the buzzer rings or the LED light flickers to perform sound-light alarm.
This device still includes insulator spindle 102, insulator spindle 102 is made by epoxy, can formula as an organic whole or telescopic, be provided with the insulating handle 103 of rubber material at the insulator spindle 102 afterbody, make things convenient for the operating personnel to operate, the cover is equipped with rain cover 104 on the insulator spindle 102, it is the decurrent loudspeaker form of opening to separate rain cover 104, it has certain rain effect of separating to separate rain cover 104, the construction also can provide anti-creep electricity guard action under rainwater weather, also can set up the limit mark in minimum safe distance length department on insulator spindle 102, the limit mark can be with the colour mark, suggestion operating personnel keep minimum safe distance, guarantee safe operation. The insulating rod 102 and the main shell 101 can be fixedly connected or detachably assembled, a hanging portion and a locking portion are arranged on the main shell 101, an operator can hold the insulating rod 102 to move the main shell 101, the main shell 101 is hung on line equipment through the hanging portion to form preliminary positioning, and the locking portion further locks the hanging portion, so that the main shell 101 is fixed on the line equipment, and the device is prevented from falling off from the line equipment.
The main shell 101 is provided with a U-shaped hook 105, the hook 105 forms the hanging part, the hook 105 is hung on the line equipment, and due to the hook 105, the main shell 101 can be well hung on the line equipment to form primary positioning.
A latch tongue 106 is arranged in the hook 105, a clamp spring 107 is arranged on the main shell 101, the latch tongues 106 are movably arranged at the opening of the hook 105 through the clamp spring 107, after the hook 105 is hung on line equipment, a locking part formed by the latch tongues 106 clamps the line equipment so as to fix the main shell 101 on the line equipment, the number of the latch tongues 106 is two, the two latch tongues 106 are symmetrically arranged on two opposite side walls of the hook 105, the distance between the two latch tongues 106 is gradually reduced from the opening of the hook 105 to the inside of the hook 105, one end of each latch tongue 106 is hinged at the opening of the hook 105, the other end of each latch tongue 106 extends towards the inside of the hook 105, one end of the hook 105 far away from the opening of the hook 105 is provided with a guide groove 108, the free end of each latch tongue 106 is positioned in the guide groove 108, a limit block 109 is arranged in the middle of the guide groove 108, the free ends of the two latch tongues 106 are respectively abutted against two sides of the limit block 109, and the middle of each latch tongue 106 is connected with the hook 105 through the clamp spring 107, the snap spring 107 provides the two latch tongues 106 with an elastic force approaching each other, and the line device is held between the two latch tongues 106. The latch 106 and the snap spring 107 can form a self-locking structure, after the insulating rod 102 operates the hook 105 to hang the line device, the line device pushes the latch 106 at two sides open, the snap spring 107 is compressed, the guide groove 108 can provide a guiding function for the movement of the latch 106, the movement position of the latch 106 is ensured to be in accordance with the preset position, meanwhile, the latch 106 is used as a stress piece, the limit of the guide groove 108 is achieved, the latch 105 is not easy to disengage, the two latches 106 can automatically generate balanced clamping force for the line device, so that the hook 105 is locked on the line device, when the hook is taken down, the insulating rod 102 is only required to be moved to lift up the hook 105, the separation of the device and the line device can be achieved, the latch 106 can automatically return to the position under the effect of the snap spring 107, short-distance leaving operation is not required in the prior art, and the insulating rod 102 is suitable for long-distance clamping, opening, fixing, withdrawing and the like.
When this embodiment is implemented, electrician passes through climbing tools such as climbers (board of ascending a height), climb to suitable position on the pole, use earlier that the electroscope is clear and definite not have voltage to the electrified body that probably touches in the operation scope and grounding body, accomodate after the electroscope, use this device again, open the switch at first, owing to not having detected line equipment yet this moment, the alarm sends the chimes of doom, wear insulating gloves, hold insulating handle 103 operation, hang main shell 101 on the line equipment of operation through couple 105, latch 106 locks main shell 101 and line equipment, insulating rod 103 follows main shell 101 and also is in the state of hanging, do not have special circumstances promptly, main shell 101 and insulating rod 103 are continuous together all the time when using.
During operation, if electromagnetic field signals generated when the line equipment normally operates are collected, the alarm device is in a silent state and does not give an alarm. When the line equipment is in single-phase or multi-phase power-free state, the electric signal acquisition unit cannot acquire electromagnetic field signals of normal operation of the line equipment, the electric signal control unit selects to start the driving signals and the driving circuit to perform electro-acoustic conversion, so that the buzzer rings or the LED lamplight flickers to send out alarm signals to prompt and inform field operators that the line equipment is in power-free state. The operation personnel are exposed to the risks of operation overvoltage and abnormal voltage rise at this time, the operation personnel are reminded to stop working immediately, withdraw timely and actively contact with the operation and maintenance personnel to confirm the condition of the line equipment, the risk window period of the operation personnel exposed to the operation overvoltage which possibly occurs is reduced and shortened to the maximum extent, the safety environment of the distribution network live working process is greatly improved, and the risk perception capability of the distribution network live working site is improved.
After the operation is finished and when the operation point is left, the insulating gloves are worn, the insulating handle 103 is held, the insulating rod 102 is operated to take down the main shell 101, the switch is closed, and the continuous real-time active monitoring in the operation process is finished.
This embodiment can judge whether line equipment is in three-phase electroless or single-phase ground connection when unusual, and every looks all uses this device on operation point three-phase wire during the operation, and alarm device only judges this looks wire has or not voltage, and when alarm device who uses on operation point three-phase wire all sent alarm signal, then explains that three-phase power loss has taken place this moment, when the operation point only sends alarm signal on certain looks wire, then explains that single-phase power loss has taken place this moment, single-phase ground connection condition promptly.
Example 2: based on the structure in embodiment 1, the difference lies in the structure of the locking portion, as shown in fig. 7 to 11,
be equipped with the screw on the main casing 101, the one end of insulator spindle 102 is equipped with screw rod 110, screw rod 110 forms screw-thread fit with the screw, after circuit equipment was hung to couple 105, certain antitorque ability has been possessed, when rotating insulator spindle 102 promptly, couple 105 can not follow insulator spindle 102 and rotate on circuit equipment always, screw rod 110 can be by couple 105 opening part precession in to couple 105, a briquetting 111 is installed to screw rod 110's head, briquetting 111 is close to circuit equipment gradually so that main casing 101 is fixed on circuit equipment with chucking circuit equipment, when will taking off, reverse rotation insulator spindle 102, with briquetting 111 screw-out couple 105 downwards, can follow this device from circuit equipment.
Example 3: based on the structure of the above embodiment, a self-checking device is added in this embodiment, the self-checking device includes a self-checking button disposed outside the main casing 101 and a testing loop electrically connected to the electrical signal acquisition unit, and the testing loop is conducted by pressing the self-checking button to check the working states of the detection device and the alarm device.
In order to prevent the detection device and the alarm device from breaking down before use and leading to the fact that correct real-time active monitoring can not be carried out on the power-on and power-off conditions of the operating line equipment after hanging, the embodiment is provided with the self-checking device, after a switch is turned on before use, the alarm device gives out sound and light alarm because the operating line equipment is not used, at the moment, a self-checking button is pressed, a power supply gives a normal electromagnetic field signal to an electric signal acquisition unit through a test loop and sends the signal to an electric signal control module, namely, the working condition of the operating line equipment during normal operation is monitored in a simulation mode, and the electric signal control module controls the alarm device to stop working, so that the normal functions of all parts are judged.
Example 4: based on the structure of above embodiment, be provided with wireless data communication module on the main casing 101 in this embodiment, can feed back the line equipment operational data that the signal of telecommunication collection unit gathered to distribution network automation main website or exclusive high in the clouds through wireless transmission's form and preserve, supply distribution network regulation operation and maintenance department or safety supervision management department to carry out real-time analysis.
The above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.
Claims (10)
1. The utility model provides an electroless alarm device for insulator spindle operation method, including main casing (101), be equipped with detection device on main casing (101), alarm device and be used for detection device, the power of alarm device power supply, when detection device can not detect the signal of telecommunication of line equipment, detection device control alarm device sends alarm signal, characterized by, still include insulator spindle (102), main casing (101) are fixed or detachably installs the head at insulator spindle (102), be equipped with on main casing (101) and hang portion and locking portion, move main casing (101) through insulator spindle (102) and hang the portion and establish on line equipment, locking portion locks the portion and then fixes main casing (101) on line equipment.
2. The electroless alarm device for the insulation rod working method according to claim 1, wherein the main housing (101) has a U-shaped hook (105), the hook (105) forms the hanging portion, and the hook (105) is hung on a line device.
3. The electroless alarm device for the insulation rod operation method as claimed in claim 2, wherein a latch tongue (106) is arranged in the hook (105), a snap spring (107) is arranged on the main casing (101), the latch tongue (106) is movably arranged at an opening of the hook (105) through the snap spring (107), and after the hook (105) is hung on a line device, the latch tongue (106) forms the locking part to clamp the line device so that the main casing (101) is fixed on the line device.
4. The electroless alarm device for the insulation rod operation method according to claim 3, wherein the number of the clamping tongues (106) is two, the two clamping tongues (106) are symmetrically arranged on two opposite side walls of the hook (105), the distance between the two clamping tongues (106) is gradually reduced from the opening of the hook (105) to the inside of the hook (105), one end of each clamping tongue (106) is hinged to the opening of the hook (105), the other end of each clamping tongue (106) extends into the hook (105), the middle part of each clamping tongue (106) is connected with the hook (105) through a clamping spring (107), the clamping spring (107) provides elastic force for the two clamping tongues (106) to be close to each other, and the line equipment is clamped between the two clamping tongues (106).
5. The electroless alarm device for the insulation rod working method according to claim 4, wherein one end of the hook (105) far away from the opening of the hook (105) is provided with a guide groove (108), the free ends of the clamping tongues (106) are positioned in the guide groove (108), the middle of the guide groove (108) is provided with a limiting block (109), and the free ends of the two clamping tongues (106) respectively abut against two sides of the limiting block (109).
6. The electroless alarm device for the insulation rod working method according to claim 1, wherein the main housing (101) is provided with a screw hole, one end of the insulation rod (102) is provided with a screw rod (110), the screw rod (110) is in threaded fit with the screw hole, the screw rod (110) can be screwed into the hook (105) from the opening of the hook (105), and the screw rod (110) forms the locking part to clamp the line equipment so that the main housing (101) is fixed on the line equipment.
7. The electroless alarm device for the insulation rod operation method as claimed in claim 1, wherein an insulation handle (103) is arranged at the tail part of the insulation rod (102), a rain shielding cover (104) is sleeved on the insulation rod (102), and the rain shielding cover (104) is in a horn shape with a downward opening.
8. The electroless alarm device for the insulation rod working method according to any one of claims 1 to 7, wherein the detection device comprises an electric signal acquisition unit and an electric signal control unit, the electric signal acquisition unit comprises an electromagnetic field sensor for detecting an electromagnetic field signal of line equipment, the acquisition end of the electromagnetic field sensor is a metal foil, and the metal foil is attached to the inner wall of the main shell (101).
9. The non-electric alarm device for insulation rod working method according to claim 8, wherein the alarm device comprises a buzzer inside the main casing (101) and/or an LED lamp that can be displayed outside the main casing (101).
10. The electroless alarm device for the insulation rod working method according to claim 8, further comprising a self-checking device, wherein the self-checking device comprises a self-checking button arranged outside the main shell (101) and a testing loop electrically connected with the electric signal acquisition unit, and the testing loop is conducted by pressing the self-checking button to check the working states of the detection device and the alarm device.
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CN202022691928.2U CN213846065U (en) | 2020-11-19 | 2020-11-19 | Non-electric alarm device for insulating rod operation method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114899757A (en) * | 2022-05-17 | 2022-08-12 | 南京汉启智能科技有限公司 | A intelligent insulator spindle instrument suit for 10kV joins in marriage net live working |
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2020
- 2020-11-19 CN CN202022691928.2U patent/CN213846065U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114899757A (en) * | 2022-05-17 | 2022-08-12 | 南京汉启智能科技有限公司 | A intelligent insulator spindle instrument suit for 10kV joins in marriage net live working |
CN115693495A (en) * | 2022-11-11 | 2023-02-03 | 国网江苏省电力有限公司超高压分公司 | Safety distance warning device for overhead line and using method thereof |
CN115693495B (en) * | 2022-11-11 | 2024-03-26 | 国网江苏省电力有限公司超高压分公司 | Overhead line safety distance alarm device and use method thereof |
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