CN209709689U - A kind of ammeter tripping control device - Google Patents
A kind of ammeter tripping control device Download PDFInfo
- Publication number
- CN209709689U CN209709689U CN201920931609.9U CN201920931609U CN209709689U CN 209709689 U CN209709689 U CN 209709689U CN 201920931609 U CN201920931609 U CN 201920931609U CN 209709689 U CN209709689 U CN 209709689U
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- switch
- ammeter
- arrearage
- control device
- power supply
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Abstract
The utility model proposes ammeter trip control device, be related to power electronics field.Ammeter tripping control device includes ammeter, first switch and the second switch, and first switch is prescribed with the arrearage of ammeter, second switch and power supply are electrically connected, and power supply is electrically connected by second switch with load；Ammeter be used for first switch in the closure state, if detecting subscriber arrearage, control arrearage prescribes and is changed into arrearage close point, so that second switch is changed into off-state by closed state；Ammeter is also used to when first switch is in an off state, if detecting subscriber arrearage, will not be controlled arrearage and be prescribed and be changed into arrearage close point, so that second switch continues to be kept closed.Staff by the utility model proposes ammeter trip control device first switch operation, the selection whether ammeter has arrearage automatic trip function may be implemented.Substantial length of operation is simple, and not having to have a power failure can operate, securely and reliably.
Description
Technical field
The utility model relates to power electronics fields, in particular to a kind of ammeter tripping control device.
Background technique
Currently, the large-scale popularization of smart grid is applied to people's production, life as economic society and science and technology continue to develop
Electricity consumption brings biggish convenience and quick.Existing ammeter generally has the function of arrearage automatic trip, but some places
When not needing the function of arrearage automatic trip in the later period, needs power failure operation, processing of taking out stitches, do over again time-consuming and laborious, and have operation
Risk.
Utility model content
The utility model solves the problems, such as to be whether how convenient, safe control ammeter has subscriber arrearage automatic trip
Function.
To solve the above problems, the technical solution of the utility model is achieved in that
In a first aspect, the utility model provides a kind of ammeter tripping control device, including ammeter, first switch and second open
It closes, first switch is prescribed with the arrearage of ammeter, second switch and power supply are electrically connected, and power supply is electrically connected by second switch and load
It connects.
Ammeter be used for first switch in the closure state, if detecting subscriber arrearage, control arrearage prescribes and is changed into
Arrearage close point, so that second switch is changed into off-state by closed state.
Ammeter is also used to when first switch is in an off state, if detecting subscriber arrearage, will not be controlled arrearage and be prescribed
It is changed into arrearage close point, so that second switch continues to be kept closed.
Compared with prior art, staff by the utility model proposes ammeter trip first the opening of control device
The selection whether ammeter has arrearage automatic trip function may be implemented in the operation of pass.Substantial length of operation is simple, does not have to the energy that has a power failure
Operation, securely and reliably.
Further, first switch uses miniature circuit breaker.
Further, second switch includes coil and normally-closed contact, and coil is electrically connected with first switch.Coil is used to owe
Expense prescribes when being changed into arrearage close point, and control normally-closed contact is changed into out contact.
Further, second switch uses breaker.
Further, ammeter tripping control device further includes third switch, and third switch is electric with power supply and second switch
Connection；
Second switch is used to be changed into off-state by closed state when third switch is in an off state, so that
Power supply stopping powers to the load.
Whether user can manually control power supply to load supplying by the operation switched to third.
Further, third switch uses button switch.
Further, ammeter tripping control device further include protection device, protection device and first switch, second switch and
Power supply is electrically connected.Short-circuit protection can be carried out to ammeter and load by protection device.
Further, protection device uses fuse.
Detailed description of the invention
Fig. 1 is a kind of block diagram of ammeter tripping control device provided by the embodiment of the utility model；
Fig. 2 is a kind of circuit diagram of ammeter tripping control device provided by the embodiment of the utility model；
Fig. 3 is the block diagram of another ammeter tripping control device provided by the embodiment of the utility model；
Fig. 4 is the block diagram of another ammeter provided by the embodiment of the utility model tripping control device；
Fig. 5 is the circuit diagram of another ammeter tripping control device provided by the embodiment of the utility model.
Description of symbols:
1- ammeter tripping control device；10- ammeter；11- arrearage prescribes；20- first switch；The first contact 21-；22-
Two contacts；30- second switch；40- third switch；50- protects device；2- power supply；3- load.
Specific embodiment
It is understandable to enable the above objects, features, and advantages of the utility model to become apparent, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.
Fig. 1 is please referred to, for a kind of enforceable box of ammeter provided by the embodiment of the utility model tripping control device 1
Schematic diagram.Ammeter tripping control device 1 includes ammeter 10, first switch 20 and second switch 30, first switch 20 and ammeter
10 arrearage prescribes 11, second switch 30 and power supply 2 is electrically connected, and power supply 2 is electrically connected by second switch 30 with load 3.
In the present embodiment, power supply 2 can be understood as power grid, and load 3 can be understood as the electric appliance in each user dwelling.
In the present embodiment, ammeter 10 be used for first switch 20 in the closure state, if detecting subscriber arrearage, control
Arrearage processed prescribes 11 and is changed into arrearage close point, so that second switch 30 is changed into off-state by closed state.
It is appreciated that needing arrearage automatic trip function when the user of this area is ordinary user.Staff can be right
First switch 20 is operated, so that first switch 20 is in closed state.First switch 20 in the closure state, ammeter
10 arrearage automatic trip function is able to use.When ammeter 10 detects that subscriber arrearage, ammeter 10 will control its arrearage and prescribe 11
It is changed into arrearage close point, the circuit that ammeter 10 and second switch 30 are formed is access, there is electric current to provide to second switch 30, second
Switch 30 then can be changed into off-state by closed state, so that power supply 2 stops powering to load 3.
Further, in the present embodiment, ammeter 10 is also used to when first switch 20 is in an off state, if detecting
Subscriber arrearage, will not control arrearage and prescribe 11 and be changed into arrearage close point, so that second switch 30 continues to be kept closed.
It is appreciated that staff can be to first switch when the user of this area does not need arrearage automatic trip function
20 are operated, so that first switch 20 is in an off state.When first switch 20 is in an off state, the arrearage of ammeter 10
Automatic trip function can not use, i.e., ammeter 10 is without arrearage automatic trip function.When ammeter 10 detects subscriber arrearage, ammeter
10 arrearage prescribes 11 and will not act, and the circuit that ammeter 10 and second switch 30 are formed is open circuit, and second switch 30 is after continuation of insurance
Closed state before holding, so that power supply 2 continues to power to load 3.
As it can be seen that the operation by staff to the first switch 20 of ammeter tripping control device 1, may be implemented ammeter
Whether 10 have the selection of arrearage automatic trip function.Substantial length of operation is simple, and not having to have a power failure can operate, securely and reliably.
It referring to figure 2., is a kind of enforceable circuit diagram of ammeter shown in FIG. 1 tripping control device 1.First opens
Miniature circuit breaker can be used by closing 20.First switch 20 includes the first contact 21 and the second contact 22, and power supply 2 passes through the first contact
21 with the arrearage of ammeter 10 prescribe 11 or arrearage close point be electrically connected, the arrearage of ammeter 10 prescribe 11 or arrearage close point by second touching
Point 22 is electrically connected with second switch 30.
In the present embodiment, when first switch 20 in the closure state, the first contact 21 and the second contact 22 are to close
Conjunction state, in the non-arrearage of user, the circuit formed between power supply 2, second switch 30 and load 3 is access, and power supply 2 can be
Load 3 provides electric energy；In subscriber arrearage, the circuit formed between power supply 2, second switch 30 and load 3 is open circuit, power supply 2
Stop providing electric energy for load 3.When first switch 20 is in an off state, the first contact 21 and the second contact 22 are to disconnect
State, so that the circuit formed between power supply 2, ammeter 10 and second switch 30 is access, the arrearage of ammeter 10 is jumped automatically
Lock function can not use, and no matter whether the electricity charge of user are in arrearage state, and second switch 30 continues to be kept closed, make
Power supply 2 is obtained to continue to power to load 3.
Further, in the present embodiment, second switch 30 includes coil (not shown) and normally-closed contact (not shown), line
Circle is electrically connected with first switch 20.Coil is used for when arrearage prescribes 11 and is changed into arrearage close point, and control normally-closed contact is changed into
Open contact.
It is appreciated that the coil of second switch 30 is prescribed by the second contact 22 of first switch 20 and the arrearage of ammeter 10
11 or the electrical connection of arrearage close point, power supply 2 be electrically connected by the normally-closed contact of second switch 30 with loading 3.
When first switch 20 in the closure state, if ammeter 10 detects subscriber arrearage, the arrearage of ammeter 10 prescribes 11
Translate into arrearage close point, the coil of second switch 30 can then obtain it is electric, coil it is electric after, can be controlled by galvanomagnetic-effect normally closed
Contact is changed into out contact, so that power supply 2 stops as 3 power supply of load.
When first switch 20 is in closed state and the non-arrearage of user or first switch 20 are in an off state, ammeter 10
Arrearage prescribe 11 and not will do it transformation, the coil of second switch 30 does not have electric current to pass through, and the contact of second switch 30 continues as
Initial normally-closed contact, so power supply 2 can power to load 3.
Further, second switch 30 can use breaker, can also use relay.
It referring to figure 3., is the enforceable side of another kind of ammeter provided by the embodiment of the utility model tripping control device 1
Frame schematic diagram.Further include on the basis of ammeter tripping control device 1 shown in Fig. 3 ammeter tripping control device 1 shown in Fig. 1
Third switch 40, third switch 40 are electrically connected with power supply 2 and second switch 30.
In the present embodiment, second switch 30 is used for when third switch 40 is in an off state, and is changed by closed state
For off-state, so that power supply 2 stops powering to load 3.User can be manually controlled by the operation to third switch 40
Whether power supply 2 powers to load 3.
It is appreciated that power supply 2, third switch 40, second switch 30 and load 3 are sequentially connected electrically, first switch 20 and electricity
Source 2 and second switch 30 are electrically connected, the arrearage of ammeter 10 prescribe 11 or arrearage close point be electrically connected with first switch 20.
Specifically, power supply 2, third switch 40, second switch 30 and load 3 are sequentially connected electrically, and the first of first switch 20
Contact 21 is electrically connected between power supply 2 and third switch 40, and the second contact 22 of first switch 20 is electrically connected with second switch 30,
First contact 21 by the arrearage of ammeter 10 prescribe 11 or arrearage close point be electrically connected with the second contact 22.
In the present embodiment, when the non-arrearage of user or when ammeter 10 is without arrearage automatic trip function, user needs power supply 2
Stop powering to load 3, user can carry out pressing operation, pressing operation of the third switch 40 in user to third switch 40
Under, off-state can be changed by closed state, so that power supply 2, third switch 40, second switch 30 and load 3 are formed
Circuit be open circuit.If user needs to restore 2 pairs of power supply loads, 3 power supply, user can be carried out again third switch 40
Pressing operation, third switch 40 can be changed into closed state by off-state, in turn under the pressing operation again of user
So that the circuit that power supply 2, third switch 40, second switch 30 and load 3 are formed is access.
In the present embodiment, third switch 40 can use button switch.
It referring to figure 4., is another enforceable side of ammeter provided by the embodiment of the utility model tripping control device 1
Frame schematic diagram.Further include on the basis of ammeter tripping control device 1 shown in Fig. 4 ammeter tripping control device 1 shown in Fig. 1
Device 50 is protected, protection device 50 is electrically connected with first switch 20, second switch 30 and power supply 2.It is appreciated that passing through protection
Device 50 can carry out short-circuit protection to ammeter 10 and load 3.
For example, can be produced in the circuit loop of ammeter tripping control device 1 when short trouble occurs for ammeter 10 or load 3
Raw excessive electric current is protected when the electric current in the circuit loop of ammeter tripping control device 1 is more than the specified value of protection device 50
Protect device 50 makes solution fuse with the heat that itself is generated, and then disconnects the company of power supply 2 and first switch 20 and second switch 30
It connects.
In the present embodiment, protection device 50 can use fuse.
It referring to figure 5., is the circuit diagram of another ammeter tripping control device 1 provided by the utility model.Fig. 5 institute
It further include third switch 40 and guarantor on the basis of the ammeter tripping control device 1 shown ammeter tripping control device 1 shown in Fig. 2
Protect device 50.
In the present embodiment, one end of device 50 is protected to be electrically connected with power supply 2, the other end of protection device 50 is opened with third
It closes 40 one end and one end of the first contact 21 is electrically connected, one end that the other end of the first contact 21 prescribes 11 with arrearage is electrically connected
It connects, the other end that arrearage prescribes 11 is electrically connected with one end of the second contact 22, the other end second switch 30 of the second contact 22
Coil electrical connection, the other end of third switch 40 are electrically connected with one end of the normally-closed contact of second switch 30, second switch 30
The other end of normally-closed contact is electrically connected with load 3.
The working principle of ammeter tripping control device 1 is specific as follows:
If the ammeter tripping corresponding user of control device 1 needs arrearage automatic trip function, staff can be to the
One switch 20 is operated, so that the first contact 21 and the second contact 22 are in closed state.In the first contact 21 and second
Contact 22 is in closed state and third switch 40 in the closure state, and the arrearage automatic trip function of ammeter 10 can make
With.When ammeter 10 detects that the electricity charge of the user are arrearage state, ammeter 10, which will control its arrearage and prescribe 11, is changed into arrearage
Close point, power supply 2, first switch 20, ammeter 10 and second switch 30 the circuit that is formed of coil access is changed by open circuit, second
The coil of switch 30 can then obtain it is electric, coil it is electric after, normally-closed contact can be controlled by galvanomagnetic-effect and be changed into and hold contact, in turn
So that power supply 2 stops as 3 power supply of load.When ammeter 10 detect the user the electricity charge be non-arrearage state when, if the user it
Preceding is arrearage state, and ammeter 10, which will control its arrearage close point and be changed into arrearage, prescribes 11, power supply 2, first switch 20,10 and of ammeter
The circuit that the coil of second switch 30 is formed is changed into open circuit by access, the coil losing electricity of second switch 30, second switch 30
The contact contact You Kai is changed into normally-closed contact, so power supply 2 can power to load 3.When ammeter 10 detects the electricity of the user
When Fei Weiwei arrearage state, if being non-arrearage state before the user, the arrearage of ammeter 10, which prescribes 11, not will do it transformation yet, the
The coil of two switches 30 does not have electric current to pass through, and the contact of second switch 30 continues as initial normally-closed contact, so power supply 2 can
Continue to power to load 3.
If the ammeter tripping corresponding user of control device 1 does not need arrearage automatic trip function, staff can be right
First switch 20 is operated, so that the first contact 21 and the second contact 22 are in off-state.In the first contact 21 and
Two contacts 22 be in an off state and third switch 40 in the closure state, ammeter 10 is without arrearage automatic trip function.Work as electricity
When table 10 detects that the electricity charge of the user are arrearage state, the arrearage of ammeter 10, which prescribes 11, not will do it transformation, power supply 2, first
The circuit that the coil of switch 20, ammeter 10 and second switch 30 is formed is open circuit, and the coil no current of second switch 30 passes through, the
The contact of two switches 30 continues as initial normally-closed contact, so power supply 2 can power to load 3.When ammeter 10 detects this
When the electricity charge of user are non-arrearage state, the arrearage of ammeter 10, which prescribes 11, not will do it transformation, power supply 2, first switch 20, ammeter
10 and the circuit that is formed of coil of second switch 30 be open circuit, the coil no current of second switch 30 passes through, second switch 30
Contact continues as initial normally-closed contact, so power supply 2 can power to load 3.In other words, it is jumped automatically in ammeter 10 without arrearage
When lock function, no matter whether the electricity charge of user are arrearage state, and power supply 2 can power to load 3.
When ammeter 10 has the function of arrearage automatic trip and the non-arrearage of user, and in ammeter 10 without arrearage automatic trip
When function, if user needs to stop powering to load 3 to power supply 2, user can carry out pressing operation, third to third switch 40
Switch 40 can be changed into off-state by closed state, so that power supply 2, third switch 40, second under the pressing operation of user
The circuit formed between the normally-closed contact and load 3 of switch 30 is open circuit, and then realizes that power supply 2 stops powering to load 3.If with
The power supply of 2 pairs of power supply loads 3 of recovery is thought at family, and user can carry out pressing operation again, third switch to third switch 40
40 under the pressing operation again of user, can be changed into closed state by off-state, so that power supply 2, third are opened
The circuit for closing 3 formation of 40, second switch 30 and load is access, and then restores the power supply of 2 pairs of power supply loads 3.
In conclusion the utility model provides a kind of ammeter tripping control device, including ammeter, first switch and second open
It closes, first switch is prescribed with the arrearage of ammeter, second switch and power supply are electrically connected, and power supply is electrically connected by second switch and load
It connects.Ammeter be used for first switch in the closure state, if detecting subscriber arrearage, control arrearage, which prescribes, to be changed into arrearage and closes
Point, so that second switch is changed into off-state by closed state.Ammeter is also used to when first switch is in an off state,
If detecting subscriber arrearage, arrearage will not be controlled and prescribed it is changed into arrearage close point, so that second switch continues to remain closed shape
State.
As it can be seen that staff by the utility model proposes ammeter trip control device first switch operation,
The selection whether ammeter has arrearage automatic trip function may be implemented.Substantial length of operation is simple, and not having to have a power failure can operate, safety
Reliably.
Meanwhile the operation that user is switched by the third of the ammeter tripping control device to the utility model, it can be manual
Whether control power supply powers to the load, and no matter user whether arrearage, whether ammeter have the function of arrearage automatic trip, by the
The operation of three switches can control power supply stopping and power to the load, further assured that the Electrical Safety of user.
In ammeter or load short circuit event can occur for the protection device of ammeter tripping control device provided by the utility model
When barrier, device is protected so that solution is fused with the heat that itself is generated, disconnects the connection of power supply and first switch and the second switch, into
And prevent ammeter or load short circuits bring hidden danger.
Although the utility model discloses as above, the utility model is not limited to this.Anyone skilled in the art, In
It does not depart from the spirit and scope of the utility model, can make various changes or modifications, therefore the protection scope of the utility model
It should be defined by the scope defined by the claims..
Claims (8)
- The control device 1. a kind of ammeter trips, which is characterized in that including ammeter, first switch and the second switch, described first is opened Pass is prescribed with the arrearage of the ammeter, the second switch and power supply are electrically connected, the power supply by the second switch and Load electrical connection；The ammeter be used for the first switch in the closure state, if detecting subscriber arrearage, control the arrearage and open Point is changed into arrearage close point, so that the second switch is changed into off-state by closed state；The ammeter is also used to when the first switch is in an off state, if detecting subscriber arrearage, will not be controlled described Arrearage, which prescribes, is changed into arrearage close point, so that the second switch continues to be kept closed.
- The control device 2. ammeter as described in claim 1 trips, which is characterized in that the first switch uses miniature open circuit Device.
- The control device 3. ammeter as described in claim 1 trips, which is characterized in that the second switch includes coil and normally closed Contact, the coil are electrically connected with the first switch；The coil is used for when the arrearage prescribes and is changed into arrearage close point, is controlled the normally-closed contact and is changed into out contact.
- The control device 4. ammeter as claimed in claim 3 trips, which is characterized in that the second switch uses breaker.
- The control device 5. ammeter as described in claim 1 trips, which is characterized in that the ammeter tripping control device further includes Third switch, the third switch are electrically connected with the power supply and the second switch；The second switch is used to be changed into off-state by closed state when third switch is in an off state, with So that the power supply stops to the load supplying.
- The control device 6. ammeter as claimed in claim 5 trips, which is characterized in that the third switch uses button switch.
- The control device 7. ammeter as described in claim 1 trips, which is characterized in that the ammeter tripping control device further includes Device is protected, the protection device is electrically connected with the first switch, the second switch and the power supply.
- The control device 8. ammeter as claimed in claim 7 trips, which is characterized in that the protection device uses fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931609.9U CN209709689U (en) | 2019-06-19 | 2019-06-19 | A kind of ammeter tripping control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920931609.9U CN209709689U (en) | 2019-06-19 | 2019-06-19 | A kind of ammeter tripping control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209709689U true CN209709689U (en) | 2019-11-29 |
Family
ID=68650859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920931609.9U Active CN209709689U (en) | 2019-06-19 | 2019-06-19 | A kind of ammeter tripping control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209709689U (en) |
-
2019
- 2019-06-19 CN CN201920931609.9U patent/CN209709689U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 17 and 22, Fenglin Road, Cicheng Town, Jiangbei District, Ningbo, Zhejiang 315000 Patentee after: Ningbo Aokes Intelligent Technology Co.,Ltd. Address before: No. 17 and 22, Fenglin Road, Cicheng Town, Jiangbei District, Ningbo, Zhejiang 315000 Patentee before: NINGBO AUX HIGH TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |