CN105203818A - High-voltage-protection type anti-theft power measuring box - Google Patents
High-voltage-protection type anti-theft power measuring box Download PDFInfo
- Publication number
- CN105203818A CN105203818A CN201510644434.XA CN201510644434A CN105203818A CN 105203818 A CN105203818 A CN 105203818A CN 201510644434 A CN201510644434 A CN 201510644434A CN 105203818 A CN105203818 A CN 105203818A
- Authority
- CN
- China
- Prior art keywords
- box
- phase
- voltage
- guard box
- chamber door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a high-voltage-protection type anti-theft power measuring box. The measuring box is placed in a protection box body, and a protection box has a certain protection effect on the measuring box; the side of the protection box is provided with an air outlet hole, so that emission of heat in the measuring box is facilitated; a baffle can prevent rain water or dust from entering the protection box through the air outlet hole; when a box door is closed, the box door extrudes an elastic switch to be closed, an alarm cannot ring, when the box door is opened, the elastic switch is reset, the alarm rings, and therefore the measuring box has the electricity stealing preventing function; V/V wiring is adopted by two voltage transformers, primary taps of the voltage transformers are connected to an A phase, a B phase and a C phase through fuse pipes, and the two voltage transformers can be prevented from being burned up due to overload through the high-voltage fuse pipes configured on the voltage transformers; it is guaranteed that power is continuously supplied through a configured special power transformer, and therefore the phenomenon that a circuit breaker cannot trip due to the fact that any one phase of the A phase, the B phase and the C phase is failed can be prevented.
Description
Technical field
The present invention relates to a kind of high voltage protective type theft protection electric metering box.
Background technology
Existing High-voltage measuring box, lack the overload protection function for voltage transformer (VT), and, the power supply winding formed by the Secondary Winding of power transformer, also can lose power supply supply because of the overload of power transformer, cause isolating switch because dead electricity can not trip; Existing batch meter is easy to stolen in addition, also makes troubles to routine work while of damnous.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned defect, and provide a kind of high voltage protective type theft protection electric metering box, this electric metering box has high voltage protective function; casing serviceable life can be extended; avoid damage, there is heat sinking function simultaneously, and antitheft object can also be reached.
In order to solve the problems of the technologies described above; design feature of the present invention is: the outer cup of described batch meter is equipped with guard box; the both sides of described guard box are equipped with louvre; the baffle plate of downward-sloping setting is all connected with directly over each louvre; described guard box comprises casing and is hinged on the chamber door of side, box opening portion; described box opening portion opposite side is provided with cavity; in this cavity, alarm is installed; described alarm controls opening and closing by elastic switch; and this elastic switch stretches out towards chamber door direction, is provided with lock body between chamber door and casing.Metering casing comprises two voltage transformer (VT) and two current transformers, and two voltage transformer (VT) adopt V/V wiring, and the elementary tap of two voltage transformer (VT) is connected on A.B.C three-phase respectively after fuse tube, is provided with power transformer special in batch meter; Described power transformer special is connected in B, C two-phase; The output voltage of described power transformer special is 220V; The Secondary Winding of two described current transformers has the tap of different no-load voltage ratio, exports different ER effect ratios.
Described guard box selects transparent material to make, and is convenient to the observation to batch meter.
The top of described guard box is provided with suspension part, and described suspension part is provided with through hole, is convenient to guard box to hang place.。
Adopt the advantageous effect after such scheme to be: batch meter is placed with in protection casing, and guard box has certain protective effect to batch meter, and batch meter can be avoided impaired, extend batch meter serviceable life; The sidepiece of guard box is provided with venthole, is convenient to the discharge of heat in batch meter; The both sides of guard box are equipped with and are positioned at above venthole and the baffle plate of downward-sloping setting, and baffle plate can prevent rainwater or dust from entering in guard box by venthole; When chamber door is closed, chamber door extruding elastic switch is closed, and alarm can not ring, and when chamber door is opened, elastic switch resets, and alarm rings, and can play the effect of warning, make batch meter possess anti-stealing electricity function when non-working person opens chamber door; Two voltage transformer (VT) adopt V/V wiring, and the elementary tap of two voltage transformer (VT) is connected on A, B, C three-phase respectively after fuse tube, by the high-voltage fuse pipe of self configuration, and can the overload burning of available protecting two voltage transformer (VT).Meanwhile, by the power transformer special be equipped with, guaranteeing a direct power supply, when can prevent because pressing A, B, C three-phase arbitrary to break down mutually, causing isolating switch not trip.
In sum, the present invention has high voltage protective function, can extend casing serviceable life, avoids damage, has heat sinking function simultaneously, and can also reach antitheft object.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail:
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the structural drawing of guard box;
Fig. 3 is the structural representation after guard box removes chamber door;
Fig. 4 is the left view of guard box;
Fig. 5 is that alarm is when opening and the fiting relation figure of chamber door;
Fig. 6 is that alarm is when cutting out and the fiting relation figure of chamber door;
Fig. 7 is the circuit theory diagrams of an embodiment of the present invention.
Embodiment
As shown in figs 1 to 6, this high voltage protective type theft protection electric metering box, the outer cup of batch meter 1 is equipped with guard box 12; metering casing is placed with in guard box 12; guard box 12 pairs of batch meters have certain protective effect, and batch meter can be avoided impaired, extend batch meter serviceable life.The both sides of guard box 12 are equipped with louvre 21, and existing batch meter is all generally be made up of metal material, and each electrical equipment can produce a lot of heat in the course of the work, and after adopting said structure, heat can be shed by louvre 21.All be connected with the baffle plate 22 of downward-sloping setting directly over each louvre 21, baffle plate 22 can prevent rainwater or dust from being entered in guard box 12 by venthole.Guard box 12 comprises casing and is hinged on the chamber door 24 of side, box opening portion; box opening portion opposite side is provided with cavity; alarm 55 is installed in this cavity; alarm 55 controls opening and closing by elastic switch 56; and this elastic switch 56 stretches out towards chamber door 24 direction, is provided with lock body between chamber door 24 and casing.When chamber door 24 is closed, chamber door 24 extrudes elastic switch 56 and closes, and alarm 55 can not ring, and when chamber door 24 is opened, elastic switch 56 resets, alarm 55 sound.The effect of warning can be played when non-working person opens chamber door.Guard box selects transparent material to make, and is convenient to the observation to batch meter.The top of guard box 12 is provided with suspension part 111, and suspension part 111 is provided with through hole.
See the structural representation of the circuit theory diagrams of an embodiment of the present invention of accompanying drawing 7 and an embodiment of the present invention of accompanying drawing 1, the high voltage protective type Multifunctional metering box that the present invention relates to, batch meter is integrated pouring type, comprise two voltage transformer (VT) and two current transformers, two voltage transformer (VT) adopt V/V wiring, the elementary tap of two voltage transformer (VT) is respectively through fuse tube---A phase fuse tube 1, B phase fuse tube 3, C phase fuse tube 6---be connected to A, B, on C three-phase, power transformer special 7 is provided with in batch meter, preferably, power transformer special 7 is connected to B, in C two-phase, and then, preferably, the output voltage of power transformer special 7 is 220V, in order to meet the need of work of isolating switch.
See accompanying drawing 1, described batch meter is integrated pouring type, there is shown the surface structure of mutual inductor, comprise A phase fuse tube 1, B phase fuse tube 3, C phase fuse tube 6, be positioned at middle power transformer special 7, the top of batch meter is provided with A connect line end 4, the C of line end 2, B that connect and connects line end 5, and the input and output being respectively used to A, B, C three-phase connect.The invention is not restricted to above-mentioned embodiment, those skilled in the art, under the premise without departing from the spirit and scope of the present invention, some changes and modification can be done.Protection scope of the present invention should be as the criterion with claim of the present invention.
Claims (4)
1. a high voltage protective type theft protection electric metering box; it is characterized in that: the outer cup of described batch meter is equipped with guard box; the both sides of described guard box are equipped with louvre; the baffle plate of downward-sloping setting is all connected with directly over each louvre; described guard box comprises casing and is hinged on the chamber door of side, box opening portion; described box opening portion opposite side is provided with cavity; in this cavity, alarm is installed; described alarm controls opening and closing by elastic switch; and this elastic switch stretches out towards chamber door direction, is provided with lock body between chamber door and casing.
2. measure casing and comprise two voltage transformer (VT) and two current transformers, two voltage transformer (VT) adopt V/V wiring, and the elementary tap of two voltage transformer (VT) is connected on A.B.C three-phase respectively after fuse tube, is provided with power transformer special in batch meter; Described power transformer special is connected in B, C two-phase; The output voltage of described power transformer special is 220V; The Secondary Winding of two described current transformers has the tap of different no-load voltage ratio, exports different ER effect ratios.
3. high voltage protective type theft protection electric metering box according to claim 1, is characterized in that: described guard box selects transparent material to make.
4. high voltage protective type theft protection electric metering box according to claim 1, it is characterized in that: the top of described guard box is provided with suspension part, described suspension part is provided with through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644434.XA CN105203818A (en) | 2015-10-09 | 2015-10-09 | High-voltage-protection type anti-theft power measuring box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510644434.XA CN105203818A (en) | 2015-10-09 | 2015-10-09 | High-voltage-protection type anti-theft power measuring box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105203818A true CN105203818A (en) | 2015-12-30 |
Family
ID=54951601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510644434.XA Pending CN105203818A (en) | 2015-10-09 | 2015-10-09 | High-voltage-protection type anti-theft power measuring box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105203818A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891568A (en) * | 2016-06-30 | 2016-08-24 | 国网山东省电力公司济南供电公司 | Burglarproof metering cabinet capable of warning in real time |
| CN106370899A (en) * | 2016-08-26 | 2017-02-01 | 张振堂 | Enclosed multifunctional high-voltage metering cabinet |
| CN108540173A (en) * | 2018-01-28 | 2018-09-14 | 淮安信息职业技术学院 | A kind of power-line carrier network cladding system based on the daily circuit of power distribution network |
-
2015
- 2015-10-09 CN CN201510644434.XA patent/CN105203818A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891568A (en) * | 2016-06-30 | 2016-08-24 | 国网山东省电力公司济南供电公司 | Burglarproof metering cabinet capable of warning in real time |
| CN106370899A (en) * | 2016-08-26 | 2017-02-01 | 张振堂 | Enclosed multifunctional high-voltage metering cabinet |
| CN108540173A (en) * | 2018-01-28 | 2018-09-14 | 淮安信息职业技术学院 | A kind of power-line carrier network cladding system based on the daily circuit of power distribution network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104617571B (en) | A kind of electronic electric equipment over-voltage and over-current protector | |
| CN105203818A (en) | High-voltage-protection type anti-theft power measuring box | |
| CN103248057A (en) | Intelligent cabinet type reactive power compensation device | |
| CN201821024U (en) | Pole-mounted power distribution box in rural power network | |
| CN203951060U (en) | A kind of comprehensive distribution box | |
| CN205724499U (en) | Distribution box awning | |
| CN206471706U (en) | A kind of high pressure ring switchgear | |
| CN103811239B (en) | Fuse switch | |
| CN203179828U (en) | Household fuse box | |
| CN207939044U (en) | Construction site distribution box | |
| CN202488002U (en) | Vehicle-mounted movable type intelligent power supply and distribution integrated equipment | |
| CN208923647U (en) | A kind of multiple field heat-dissipation switch cabinet | |
| CN208580978U (en) | A kind of dual power supply distribution box | |
| CN208112225U (en) | A kind of SPD back-up protection device of new principle structure | |
| CN207218056U (en) | A kind of new model terminal combination box | |
| CN201732995U (en) | High-voltage metering cubicle | |
| CN206712274U (en) | A kind of power distribution equipment | |
| CN205985818U (en) | Novel high voltage distributor box | |
| CN202474549U (en) | Distribution and transformation Low-voltage protection switch box | |
| CN206349682U (en) | A kind of solid loop-net cabinet | |
| CN208874271U (en) | A kind of electric equipment protecting means | |
| CN203135434U (en) | Neutral point virtual grounding device | |
| CN204792666U (en) | Fuse -element malfunction alerting ware | |
| CN203014110U (en) | Wiring device based on leakage protection design | |
| CN209216815U (en) | A kind of fall insurance, which pushes away safely, puts device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151230 |
|
| WD01 | Invention patent application deemed withdrawn after publication |