CN212277430U - Uninterrupted electricity meter changing device - Google Patents
Uninterrupted electricity meter changing device Download PDFInfo
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- CN212277430U CN212277430U CN202020863891.4U CN202020863891U CN212277430U CN 212277430 U CN212277430 U CN 212277430U CN 202020863891 U CN202020863891 U CN 202020863891U CN 212277430 U CN212277430 U CN 212277430U
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Abstract
The utility model discloses a no-power-off electricity-changing meter device, including the electric wire that inserts the ammeter, the fastener body, the short circuit device, wire connecting device and temperature-detecting device, the fastener body includes upper cover and lower cover, the upper cover passes through bolted connection with the lower cover, one side that the upper cover corresponds with the lower cover is equipped with the semi-circular through-hole of a plurality of, the lower cover is equipped with the semi-circular line hole that a plurality of and semi-circular through-hole match, semi-circular through-hole constitutes the clamping part of ammeter electric wire with semi-circular line hole, the fastener body passes through the clamping part and installs on the electric wire, wire connecting device installs on the fastener body, wire connecting device breaks the insulating skin of electric wire and is connected with the electrically conductive copper line of electric wire when installing on the fastener body, the short circuit device is installed. The utility model discloses a fastener body and short circuit device realize changing the ammeter constantly, and convenient and fast reduces the ammeter and changes the cycle for the electric wire netting user can normally use electricity at the change in-process of ammeter.
Description
Technical Field
The utility model relates to an equipment field is changed to the ammeter, especially relates to a constantly electric ammeter device of trading.
Background
At present, the electric wire netting company all can set up an ammeter to each user of electric wire netting, be used for taking notes this user's power consumption condition, and the ammeter is under long-term solarization rain, easy damage, need once change every year, just can guarantee the good operation of equipment, when changing the ammeter, because the electric current backward flow that inserts the ammeter case can not open a way, consequently need the outage to carry out the operation, and at outage operation in-process, the user can't carry out normal power supply, very big puzzlement has been brought for the user, and simultaneously, because the volume of changing relates to thousands of platforms, large in quantity, the power failure scope that causes, time, the cycle is also very big, consequently, need research and development a device, make the ammeter change in-process can not carry out the operation of cutting off the power supply.
For example, a "three-phase electric energy meter uninterruptible replacing device" disclosed in chinese patent literature has a publication number: CN208432649U, filing date thereof: 18 th of 2018, 05 and 18 th of month, the three-phase electric energy meter switching device comprises a wiring port adapter, a multifunctional comprehensive wire connector and a short connector, wherein the short connector is inserted into the multifunctional comprehensive wire connector, one end of the wiring port adapter is inserted into the three-phase electric energy meter, the other end of the wiring port adapter is connected with the multifunctional comprehensive wire connector, and the three-phase electric energy meter can be replaced without power outage by pulling out the short connector; the fixed piece for the wiring port adapter forms an integrally installed interface transition adapter according to the specific hole site coordinates of the terminal button box of the three-phase electric energy meter, so that the terminal button box of the three-phase electric energy meter is converted from original concave wiring into convex wiring, and a power plug which is typically similar to a three-phase electric appliance is formed; the multifunctional comprehensive wire connector is a multifunctional comprehensive wiring terminal row which integrates a three-phase power supply inlet and outlet wire, a socket for connecting a wiring port adapter of a three-phase electric energy meter and a self-locking mechanism matched with a short connector; the lower side of the three-phase power supply is provided with a wiring hole for fixing a three-phase power supply in-out wire pressing frame structure, the upper side of the three-phase power supply is provided with a wiring hole for fixing a three-phase electric energy meter through a wiring port adapter, and a short-circuit hole between each phase of in-out wires; the upper half handle of the short connector is made of insulating materials, and the lower half handle of the short connector is composed of a short copper plate and a locking screw. The change device of this application need be connected with the ammeter when changing, has increased the ammeter and has changed the degree of difficulty, can't measure the circuit behind the short circuit simultaneously and normally switch on, and whether the temperature is unusual, can't ensure staff's personal safety.
Disclosure of Invention
The utility model mainly solves the problems that the prior ammeter replacing device needs to be replaced when power is cut off and the temperature of short-circuit equipment cannot be detected; the utility model provides a constantly change ammeter device does not cut off the power supply and changes the ammeter, and the in-process user of changing the ammeter can normally use electricity, and convenient and fast reduces the ammeter and changes the cycle, detects the temperature of ammeter change in-process.
The above technical problem of the present invention can be solved by the following technical solutions: a power-uninterrupted electricity-switching electric meter device comprises an electric wire connected into an electric meter, a wire clamp body, a short-circuit device, a wire connecting device and a temperature detection device, wherein the wire clamp body comprises an upper cover and a lower cover, the upper cover and the lower cover are connected through a bolt, one side of the upper cover, corresponding to the lower cover, is provided with a plurality of semicircular through holes, the lower cover is provided with a plurality of semicircular wire holes matched with the semicircular through holes, the semicircular through holes and the semicircular wire holes form a clamping part of the electric meter electric wire, the wire clamp body is arranged on the electric wire through the clamping part, the wire connecting device is arranged on the wire clamp body, when the wire connecting device is arranged on the wire clamp body, an insulating skin of the electric wire is broken and is connected with a conductive copper wire of the electric wire, the short-circuit device is arranged on the wire clamp body, the short-circuit device is connected, for detecting the shorting device temperature.
Preferably, the wire connecting device comprises a screw and a screwdriver, the wire clamp body is provided with a screw hole, the screwdriver installs the screw in the screw hole, the screw breaks the wire to make the screw contact with the wire electrified copper wire, the wire clamp body is provided with a user side wire loop interface on one side of the screw hole, the user side wire loop interface is electrically connected with the screw hole through an electrified contact piece, and the short-circuit device is installed in a matching way with the user side wire loop interface.
As preferred, the short circuit device include base member, four shorting bars, four insulating parts, promotion button, limit button, slide mechanism and pressing means, four the insulating part is installed on the base member, in the shorting bar installation insulating part, be equipped with the spout in the base member, slide mechanism passes through the spout and installs in the base member, four the shorting bar all is connected with slide mechanism, slide mechanism is equipped with the draw-in groove, pressing means passes through the draw-in groove and is connected with slide mechanism, promotion button installs on the base member, promotion button is connected with slide mechanism, limit button installs on the base member, limit button is connected with pressing means.
Preferably, the temperature detecting device includes a thermistor R11, a battery VCC1, a comparator U1, a pull-up resistor R22, a pull-up resistor R33, a light emitting diode D11, an optical receiver, a transistor VT11, a transistor VT22, a coil, a magnet, and an indicator light, one end of the thermistor R11 is connected to the battery VCC1, the other end of the thermistor R11 is connected to a first input terminal of the comparator U1, a second input terminal of the comparator U1 is inputted with a reference current signal Iref, an output terminal of the comparator U1 is connected to a base of the transistor VT11, a collector of the transistor VT11 is connected to the battery VCC1 via a pull-up resistor R22, an emitter of the transistor VT11 is grounded via a light emitting diode D11, the light emitting diode D11 is mounted on the base, the optical receiver is mounted on the base, the optical sensor is formed by matching with the light emitting diode D11, a base of the transistor VT22 is connected to the output terminal of the optical receiver, the collector of the triode VT22 is connected with the battery VCC1 through a pull-up resistor R33, the emitter of the triode VT22 is grounded through a coil, the magnet is installed on the sliding mechanism, the coil is installed in the base body and corresponds to the position of the magnet, and the indicator light is connected with the shorting bar.
Preferably, the screw comprises a head and a screw rod, the head is fixedly connected with the screw rod, and a linear notch is formed in the contact surface of the screw rod and the electric wire. The screw is twisted through the screwdriver, so that the screw rod of the screw rotates and enters the screw hole, the insulating skin of the electric wire is torn through the front end of the screw rod of the single notch, the screw rod is in contact with the electrified copper wire, and meanwhile, the single notch is easier to tear the insulating skin and is smaller in abrasion to the electrified copper wire.
Preferably, the screw comprises a head and a screw rod, the head is fixedly connected with the screw rod, and a cross-shaped notch is formed in the contact surface of the screw rod and the electric wire. The cross-shaped notch can rapidly tear the insulating skin, and the broken insulating skin range is larger.
Preferably, the upper cover and the lower cover are made of insulating materials. The safety of the operation is ensured.
Preferably, the screw hole structure further comprises an insulating cover and a convex block, the insulating cover is installed on one side of the screw hole, the convex block is installed on the other side of the screw hole, and the insulating cover is provided with a clamping groove matched with the convex block. After the ammeter is replaced, the insulating cover is clamped through the convex block and the clamping groove, the screw is covered, and safety is improved.
The utility model has the advantages that: (1) the ammeter is replaced without power failure through the wire clamp body and the short-circuit device, so that convenience and rapidness are realized, the ammeter replacement period is shortened, and a power grid user can normally use electricity in the ammeter replacement process; (2) the single notch of the screw is arranged, so that the insulating sheath of the wire is better broken, and the abrasion degree of the copper wire is reduced; (3) through the temperature detection device, the ammeter replacement process is safer and more reliable, and the personal safety of workers is effectively protected.
Drawings
Fig. 1 is a structural side view of a wire clamp body of the first embodiment.
Fig. 2 is a structural plan view of a wire clamp body of the first embodiment.
Fig. 3 is an external structural schematic diagram of the short-circuit device according to the first embodiment.
Fig. 4 is a schematic internal structure diagram of the shorting device according to the first embodiment.
Fig. 5 is a schematic circuit diagram of a temperature detection device according to a first embodiment.
Fig. 6 is a schematic structural view of a screw according to the first embodiment.
Fig. 7 is a schematic structural view of a screw according to the second embodiment.
In the figure, 1, an upper cover, 2, a lower cover, 3, a bolt, 4, a semicircular through hole, 5, a semicircular line hole, 6, a screw hole, 7, a user side electric wire loop interface, 8, a short-circuit device, 9, a push button, 10, a limit button, 11, an insulating piece, 12, a short-circuit rod, 13, a sliding mechanism, 14, a pressing mechanism, 15, a magnet, 16, a coil, 17, an optical receiver, 18, a screw head, 19, a screw rod, 20, a linear notch and 21, a cross-shaped notch are arranged.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
The first embodiment is as follows: a device for changing electricity without interrupting power supply is disclosed, as shown in figure 1 and figure 2, comprising an electric wire connected with an electric meter, a wire clamp body, a screw cutter, a temperature detection device, an insulation cover and a convex block, wherein the wire clamp body comprises an upper cover 1 and a lower cover 2, the upper cover 1 is connected with the lower cover 2 through a bolt 3, one side of the upper cover 1 corresponding to the lower cover 2 is provided with a plurality of semicircular through holes 4, the lower cover 2 is provided with a plurality of semicircular wire holes 5 matched with the semicircular through holes 4, the semicircular through holes 4 and the semicircular wire holes 5 form a clamping part of the electric wire of the electric meter, the wire clamp body is arranged on the electric wire through the clamping part, the upper end of the upper cover 1 is provided with a plurality of screw holes, the screw is matched with the screw holes, a current detection device is arranged on the screw cutter, the screw is twisted through the screw cutter, the screw is twisted into the screw hole, the electric wire, screw and electric wire circular telegram copper line contact, temperature-detecting device installs on the short circuit device for detect the short circuit device temperature, one side of screw hole is equipped with user side electric wire return circuit interface, and short circuit device 8 matches the installation with user side electric wire return circuit interface, and the inner wall of screw hole covers there is the circular telegram metal, and the preparation material of upper cover 1 and lower cover 2 is insulating material.
As shown in fig. 3 and 4, the short circuit device includes a base body, four shorting bars, four insulating parts, a push button, a limit button, a sliding mechanism 13 and a pressing mechanism 14, four insulating parts are installed on the base body, the shorting bar is installed in the insulating part, a sliding groove is arranged in the base body, the sliding mechanism 13 is installed in the base body through the sliding groove, the four shorting bars are all connected with the sliding mechanism 13, the sliding mechanism 13 is provided with a clamping groove, the pressing mechanism 14 is connected with the sliding mechanism 13 through the clamping groove, the push button is installed on the base body, the push button is connected with the sliding mechanism 13, the limit button is installed on the base body, the limit button is connected with the pressing mechanism 14, and the pressing mechanism 14 is in the shape of.
As shown in fig. 5, the temperature detecting apparatus includes a thermistor R11, a battery VCC1, a comparator U1, a pull-up resistor R22, a pull-up resistor R33, a light emitting diode D11, a light receiver 17, a transistor VT11, a transistor VT22, a coil 16, a magnet 15 and an indicator light, one end of the thermistor R11 is connected to the battery VCC1, the other end of the thermistor R11 is connected to a first input terminal of the comparator U1, a second input terminal of the comparator U1 inputs a reference current signal Iref, an output terminal of the comparator U1 is connected to a base terminal of the transistor VT11, a collector terminal of the transistor VT11 is connected to the battery VCC1 through the pull-up resistor R22, an emitter terminal of the transistor VT11 is grounded through the light emitting diode D11, a light emitting diode D11 is mounted on the base, the light receiver 17 is mounted on the base to match with the light emitting diode D11 to form a photosensor, a base terminal of the transistor VT11 is connected to the output terminal of the light receiving terminal of the transistor VT11, a collector terminal of the transistor VT 36, the emitter of the triode VT22 is grounded through the coil 16, the magnet 15 is installed on the sliding mechanism 13, the coil 16 is installed in the base body and corresponds to the position of the magnet 15, and the indicator light is connected with the shorting bar. Four shorting bars include the shorting bar of being connected with electric wire netting side live wire, the shorting bar of being connected with electric wire netting side zero line, the shorting bar of being connected with user side live wire and the shorting bar of being connected with user side zero line, electric wire netting side zero line shorting bar is connected with user side zero line shorting bar, electric wire netting side live wire shorting bar is connected with user side live wire shorting bar through the pilot lamp, when the user side electric wire return circuit interface of shorting bar access fastener body, the pilot lamp is bright.
As shown in figure 6, the screw comprises a head part 18 and a screw rod 19, the head part 18 of the screw is fixedly connected with the screw rod 19, and the contact surface of the screw rod 19 and the electric wire is provided with a linear notch 20.
In the second embodiment, as shown in fig. 7, compared with the first embodiment, the present embodiment is different in that a cross-shaped notch 21 is formed on a contact surface of a screw 19 and an electric wire, and the rest of the structure is the same as that of the first embodiment.
In the concrete application, when the electric meter of the electric network user needs to be replaced by the electric network staff, the lower cover 2 of the utility model is aligned with the electric wire connected with the electric meter, the four semicircular wire holes 5 arranged on the lower cover 2 are connected with the electric network live wire, the electric network zero line, the user live wire and the user zero line connected with the electric meter in a clamping way, the electric wire is clamped and clamped on the other side of the electric wire through the upper cover 1 and the four semicircular through holes 4 arranged on the upper cover 1, the upper cover 1 and the lower cover 2 are tightly twisted by using bolts 3, the wire clamp body is arranged on the electric wire connected with the electric meter, the screw is twisted from the screw hole of the upper cover 1 by taking up the screw knife, the number of the twisted turns is counted, when the number of the twisted turns reaches five turns, the front end position of the screw rod just contacts with the surface of the insulating skin of the electric wire, at the moment, when the turns round, the insulating, copper wires wrapped by insulating covers leak out, the electrified copper wires are contacted with screws, the screws are metal with good electrification, limit buttons 10 on two sides of a short-circuit device 8 are pressed, hook heads of a pressing mechanism 14 come out of clamping grooves, so that short-connection rods 12 are not limited, the short-connection rods 12 are pushed out of an insulating piece 11 by pushing a push button 9, the short-connection rods 12 of the short-circuit device 8 are inserted into a user side wire loop interface on the side edge of a screw hole, an electrified contact sheet connected to the screw hole is installed inside the user side wire loop interface, the current of a power grid is transmitted to wires on the user side through the screws, metal sheets and the short-connection rods 12, when a thermistor R11 detects that the temperature exceeds a certain value, the current changes, after being compared with a reference current Iref, a comparator U1 outputs a high level to conduct a triode VT11, a light-emitting diode D11 is bright, and a light receiver 17 receives bright information, output a voltage signal, make triode VT22 switch on, coil 16 circular telegram has magnetism, adsorption magnet 15, it removes to drive slide mechanism 13, shorting bar and connection of electric lines disconnection, the pilot lamp goes out, suggestion staff's temperature is unusual, not only play the effect of temperature detection, the effect that has the switch simultaneously, the device is multiplexing, the cost is saved, under the normal condition of temperature, the electric current need not pass through the ammeter again, the user can normally use the electricity, the electric wire netting staff also can carry out the change of ammeter, the ammeter after the change is accomplished begins work, can demolish the shorting device, and the fastener body just can be installed on the electric wire always, use when conveniently changing the ammeter next time, reduce the cost, it is sealed to utilize insulating lid to cover the screw, play insulating protection's effect.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (8)
1. The utility model provides a do not cut off power supply and trade ammeter device, is including the electric wire that inserts the ammeter, its characterized in that still includes
The temperature detection device comprises a wire clamp body, a short-circuit device, a lead connecting device and a temperature detection device, wherein the wire clamp body comprises an upper cover and a lower cover, the upper cover is connected with the lower cover through bolts, a plurality of semicircular through holes are arranged on one side of the upper cover corresponding to the lower cover, the lower cover is provided with a plurality of semicircular wire holes matched with the semicircular through holes, the semicircular through holes and the semicircular wire holes form a clamping part of the electric meter wire, the wire clamp body is arranged on the wire through the clamping part, the wire connecting device is arranged on the wire clamp body, the wire connecting device breaks the insulating sheath of the wire and is connected with the conductive copper wire of the wire when being arranged on the wire clamp body, the short circuit device is installed on the wire clamp body and connected with the wire connecting device, and the temperature detection device is installed on the short circuit device and used for detecting the temperature of the short circuit device.
2. The uninterruptible power supply ammeter device of claim 1, wherein the wire connecting device comprises a screw and a screwdriver, the wire clamp body is provided with a screw hole, the screw is installed in the screw hole through the screwdriver, the screw is twisted to break the electric wire, so that the screw is in contact with the electrified copper wire of the electric wire, the wire clamp body is provided with a user side electric wire loop interface on one side of the screw hole, the user side electric wire loop interface is electrically connected with the screw hole through an electrified contact piece, and the short circuit device is installed in a matching manner with the user side electric wire loop interface.
3. The uninterruptible power supply ammeter device according to claim 1 or 2, wherein the shorting device comprises a base body, four shorting bars, four insulating members, a push button, a limit button, a sliding mechanism and a pressing mechanism, four insulating members are mounted on the base body, the shorting bars are mounted in the insulating members, a sliding groove is formed in the base body, the sliding mechanism is mounted in the base body through the sliding groove, four shorting bars are connected with the sliding mechanism, the sliding mechanism is provided with a clamping groove, the pressing mechanism is connected with the sliding mechanism through the clamping groove, the push button is mounted on the base body and connected with the sliding mechanism, the limit button is mounted on the base body and connected with the pressing mechanism.
4. The uninterruptible power supply electricity switching device according to claim 3, wherein the temperature detecting means comprises a thermistor R11, a battery VCC1, a comparator U1, a pull-up resistor R22, a pull-up resistor R33, a light emitting diode D11, a light receiver, a transistor VT11, a transistor VT22, a coil, a magnet and an indicator light, one end of the thermistor R11 is connected to the battery VCC1, the other end of the thermistor R11 is connected to a first input terminal of the comparator U1, a second input terminal of the comparator U1 inputs a reference current signal Iref, an output terminal of the comparator U1 is connected to a base terminal of the transistor VT11, a collector terminal of the transistor VT11 is connected to the battery VCC1 through the pull-up resistor R22, an emitter terminal of the transistor VT11 is grounded through a light emitting diode D11, the light emitting diode D11 is mounted on the substrate, the light receiver is mounted on the substrate and matched with the light emitting diode D11 to form a photoelectric sensor, the base electrode of the triode VT22 is connected with the output end of the optical receiver, the collector electrode of the triode VT22 is connected with the battery VCC1 through a pull-up resistor R33, the emitter electrode of the triode VT22 is grounded through a coil, the magnet is installed on the sliding mechanism, the coil is installed in the base body and corresponds to the position of the magnet, and the indicator light is connected with the shorting bar.
5. The uninterruptible power supply ammeter device of claim 2, wherein the screw comprises a head and a screw, the head is fixedly connected with the screw, and a linear notch is formed in a contact surface of the screw and the electric wire.
6. The uninterruptible power supply ammeter device as claimed in claim 2, wherein the screw comprises a head and a screw, the head is fixedly connected with the screw, and a cross-shaped notch is formed in a contact surface of the screw and the electric wire.
7. The uninterruptible power supply apparatus according to claim 1, wherein the upper cover and the lower cover are made of insulating materials.
8. The uninterruptible power supply electricity conversion meter device according to claim 1, further comprising an insulating cover and a projection, wherein the insulating cover is mounted on one side of the screw hole, the projection is mounted on the other side of the screw hole, and the insulating cover is provided with a clamping groove matched with the projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020863891.4U CN212277430U (en) | 2020-05-21 | 2020-05-21 | Uninterrupted electricity meter changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020863891.4U CN212277430U (en) | 2020-05-21 | 2020-05-21 | Uninterrupted electricity meter changing device |
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| Publication Number | Publication Date |
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| CN212277430U true CN212277430U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020863891.4U Active CN212277430U (en) | 2020-05-21 | 2020-05-21 | Uninterrupted electricity meter changing device |
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| CN (1) | CN212277430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063975A (en) * | 2021-03-15 | 2021-07-02 | 泉州亿兴电力工程建设有限公司泉州经济技术开发区分公司 | Short-circuit device for lead of electric energy meter and uninterrupted disassembling method for electric energy meter |
-
2020
- 2020-05-21 CN CN202020863891.4U patent/CN212277430U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113063975A (en) * | 2021-03-15 | 2021-07-02 | 泉州亿兴电力工程建设有限公司泉州经济技术开发区分公司 | Short-circuit device for lead of electric energy meter and uninterrupted disassembling method for electric energy meter |
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