CN207053404U - A kind of alternating-current power supply circuit of the video monitoring apparatus with detection function - Google Patents
A kind of alternating-current power supply circuit of the video monitoring apparatus with detection function Download PDFInfo
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- CN207053404U CN207053404U CN201721052516.6U CN201721052516U CN207053404U CN 207053404 U CN207053404 U CN 207053404U CN 201721052516 U CN201721052516 U CN 201721052516U CN 207053404 U CN207053404 U CN 207053404U
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Abstract
The utility model discloses a kind of alternating-current power supply circuit of the video monitoring apparatus with detection function, including exchange centrally connected power supply power supply, for the current monitoring module by centrally connected power supply Power convert is exchanged as the voltage transformation module of low-tension supply and for carrying out current detecting to voltage transformation module, the current monitoring module includes controller and the client to be communicated with controller, and the output of the controller is terminated with parameter input module and alarm module.The utility model is simple in construction, reasonable in design, it is that eight tunnel low-tension supplies export that will exchange centrally connected power supply Power convert by eight road voltage transformation modules, meet video monitoring apparatus power demands, the output current of eight road voltage transformation modules is detected by current monitoring module simultaneously, so that staff can know the electric power thus supplied of every road video monitoring apparatus in time on the client, use is easy to operate, practical, using effect is good, is easy to promote the use of.
Description
Technical field
The utility model belongs to power supply technical field, and in particular to a kind of video monitoring apparatus with detection function
With alternating-current power supply circuit.
Background technology
The scene of video monitoring apparatus arrangement is more and more, and the number of video monitoring apparatus is also more and more.In order to meet
Safety in production, largely installed and used in large-scale place, video monitorings such as production plant area, office blocks at present.Video is supervised at present
Control device to realize using eight road camera head monitors more, but to realize eight road camera head monitors simultaneously, then there are following defect：
For needing the camera in explosion-proof place civil power 220V can not be used to provide power supply, it is necessary to powered using comparatively safe 12V DC
Or 24V Alternating Current Power Supplies, so can not centrally connected power supply, can only be that a camera matches somebody with somebody a power supply, not only onsite application is inconvenient,
And larger potential safety hazard be present.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided one kind carries
The video monitoring apparatus of detection function alternating-current power supply circuit, its is simple in construction, reasonable in design, passes through eight road voltage transformation lists
Exchange centrally connected power supply Power convert is eight tunnel low-tension supply outputs by member, is met video monitoring apparatus power demands, is passed through simultaneously
Current monitoring module detects the output current of eight road voltage transformation modules so that staff can know in time on the client
Per the electric power thus supplied of road video monitoring apparatus, use is easy to operate, practical, and using effect is good, is easy to promote the use of.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of video with detection function
Supervising device alternating-current power supply circuit, it is characterised in that：Including exchange centrally connected power supply power supply, for centrally connected power supply electricity will to be exchanged
Source is converted to the voltage transformation module of low-tension supply and the current monitoring unit for carrying out current detecting to voltage transformation module,
The voltage transformation module includes first voltage conversion module, second voltage conversion module, tertiary voltage conversion module, the 4th electricity
Press conversion module, the 5th voltage transformation module, the 6th voltage transformation module, the 7th voltage transformation module and the 8th voltage transformation mould
Block, the current monitoring unit include controller and the client to be communicated with controller, and the input of the controller is terminated with using
In detect the first current detection module of the first voltage conversion module output current, for detecting the second voltage conversion
Second current detection module of module output current, the 3rd electric current for detecting the tertiary voltage conversion module output current
It is detection module, the 4th current detection module for detecting the 4th voltage transformation module output current, described for detecting
5th current detection module of the 5th voltage transformation module output current, for detecting the 6th voltage transformation module output electricity
Stream the 6th current detection module, the 7th current detection module for detecting the 7th voltage transformation module output current and
For detecting the 8th current detection module of the 8th voltage transformation module output current, the output of the controller is terminated with
Parameter input module and alarm module.
A kind of above-mentioned alternating-current power supply circuit of the video monitoring apparatus with detection function, it is characterised in that：It is described
First voltage conversion module includes double-point double-throw switch S1, voltage-regulator diode ZD1 and transformer T1, the double-point double-throw switch S1
The first stationary contact connect with exchanging the live wire ACL of centrally connected power supply power supply, the second stationary contact of the double-point double-throw switch S1 with
The zero line ACN of exchange centrally connected power supply power supply connects, the first movable contact of the double-point double-throw switch S1 respectively with voltage-regulator diode
ZD1 negative electrode and one end of transformer T1 primary sides connect, the second movable contact of the double-point double-throw switch S1 respectively with voltage stabilizing two
Pole pipe ZD1 anode and the other end of transformer T1 primary sides connect, one end ground connection of the transformer T1 secondary, the transformer
The other end of T1 secondary connects with the first current detection module.
A kind of above-mentioned alternating-current power supply circuit of the video monitoring apparatus with detection function, it is characterised in that：It is described
First current detection module includes electric capacity C1, fuse LU1 and current sensor U1, the output of the first voltage conversion module
Two-way is divided at end, is grounded all the way through electric capacity C1, and another way connects with fuse LU1 one end, the other end of the fuse LU1 and
Current sensor U1 connects, and the current sensor U1 connects with controller.
A kind of above-mentioned alternating-current power supply circuit of the video monitoring apparatus with detection function, it is characterised in that：It is described
Controller is connected to first serial communication module, and the client is terminated with for being connected and communicating with the first serial communication module
Two serial communication modulars.
A kind of above-mentioned alternating-current power supply circuit of the video monitoring apparatus with detection function, it is characterised in that：It is described
It is 220V alternating currents to exchange centrally connected power supply power supply.
The utility model has advantages below compared with prior art：
1st, it is of the present utility model simple in construction, reasonable in design, realize and using easy to operate.
2nd, it is eight tunnel low-tension supplies that the utility model will exchange centrally connected power supply Power convert by eight road voltage transformation modules
Output, the output voltage of eight road voltage transformation modules is the working power of video monitoring apparatus, meets that video monitoring apparatus supplies
Electric demand.
3rd, the utility model detects the output current of eight road voltage transformation modules by current monitoring unit, and will output electricity
Output current value is transferred to client by value. transfer to controller, controller, facilitates staff to check and manage so that work
The electric power thus supplied of every road video monitoring apparatus can be known in time on the client by making personnel.
In summary, the utility model is simple in construction, reasonable in design, will be exchanged by eight road voltage transformation modules and concentrate confession
Electric Power convert is eight tunnel low-tension supply outputs, meets video monitoring apparatus power demands, while examine by current monitoring unit
Survey the output current of eight road voltage transformation modules so that staff can know every road video monitoring dress in time on the client
The electric power thus supplied put, use is easy to operate, practical, and using effect is good, is easy to promote the use of.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit connecting relation figure of the utility model first voltage conversion module and the first current detection module.
Description of reference numerals:
1-controller；2-parameter input module；3-alarm module；
4-first serial communication module；5-second serial communication module；6-client；
7-exchange centrally connected power supply power supply；8-first voltage conversion module；
9-the first current detection module；10-second voltage conversion module；
11-the second current detection module；12-tertiary voltage conversion module；
13-the three current detection module；14-the four voltage transformation module；
15-the four current detection module；16-the five voltage transformation module；
17-the five current detection module；18-the six voltage transformation module；
19-the six current detection module；20-the seven voltage transformation module；
21-the seven current detection module；22-the eight voltage transformation module；
23-the eight current detection module.
Embodiment
As shown in figure 1, the utility model includes exchange centrally connected power supply power supply 7, for exchange centrally connected power supply power supply 7 to be changed
Voltage transformation module for low-tension supply and the current monitoring unit for carrying out current detecting to voltage transformation module, the electricity
Converter unit is pressed to include first voltage conversion module 8, second voltage conversion module 10, the electricity of tertiary voltage conversion module the 12, the 4th
Press conversion module 14, the 5th voltage transformation module 16, the 6th voltage transformation module 18, the 7th voltage transformation module 20 and the 8th electricity
Conversion module 22 is pressed, the current monitoring unit includes controller 1 and the client 6 to be communicated with controller 1, the controller 1
Input be terminated with for detect the output current of first voltage conversion module 8 the first current detection module 9, for detecting
Second current detection module 11 of the output current of second voltage conversion module 10, for detecting the tertiary voltage become mold changing
3rd current detection module 13 of the output current of block 12, for detect the output current of the 4th voltage transformation module 14 the 4th
Current detection module 15, the 5th current detection module 17 for detecting the output current of the 5th voltage transformation module 16, use
In detect the 6th current detection module 19 of the output current of the 6th voltage transformation module 18, for detecting the 7th voltage
7th current detection module 21 of the output current of conversion module 20 and export electricity for detecting the 8th voltage transformation module 22
8th current detection module 23 of stream, the output of the controller 1 are terminated with parameter input module 2 and alarm module 3.
In the present embodiment, the exchange centrally connected power supply power supply 7 is 220V alternating currents.
During actual use, because video monitoring apparatus needs 24V Alternating Current Power Supplies, therefore by first voltage conversion module 8,
Second voltage conversion module 10, tertiary voltage conversion module 12, the 4th voltage transformation module 14, the 5th voltage transformation module 16,
220 alternating currents are converted to eight by the 6th voltage transformation module 18, the 7th voltage transformation module 20 and the 8th voltage transformation module 22
Road 24V Alternating Current Power Supplies, meet the power demands of video monitoring apparatus.
The output current of the first voltage conversion module 8 is detected by the first current detection module 9 and electric current will be detected
Value is transferred to controller 1, and the output current of the second voltage conversion module 10 is detected simultaneously by the second current detection module 11
Detection current value is transferred to controller 1, the tertiary voltage conversion module 12 is detected by the 3rd current detection module 13
Detection current value is simultaneously transferred to controller 1 by output current, and detecting the 4th voltage by the 4th current detection module 15 becomes
Change the mold the output current of block 14 and detection current value is transferred to controller 1, detected by the 5th current detection module 17 described
Detection current value is simultaneously transferred to controller 1 by the output current of the 5th voltage transformation module 16, passes through the 6th current detection module
Detection current value is simultaneously transferred to controller 1 by the output current of 19 detection the 6th voltage transformation modules 18, passes through the 7th electricity
Stream detection module 21 detects the output current of the 7th voltage transformation module 20 and detection current value is transferred into controller 1,
The output current of the 8th voltage transformation module 22 is detected by the 8th current detection module 23 and transmits detection current value
To controller 1, controller 1 is transferred to client 6 by current value is detected, and facilitates staff to check and manage so that work people
Member can know the electric power thus supplied of every road video monitoring apparatus in time in client 6.
As shown in Fig. 2 in the present embodiment, the first voltage conversion module 8 includes double-point double-throw switch S1, the pole of voltage stabilizing two
Pipe ZD1 and transformer T1, the first stationary contact of the double-point double-throw switch S1 and the live wire ACL phases for exchanging centrally connected power supply power supply 7
Connect, the second stationary contact of the double-point double-throw switch S1 connects with exchanging the zero line ACN of centrally connected power supply power supply 7, and the double-pole is double
Throw switch S1 the first movable contact connects with voltage-regulator diode ZD1 negative electrode and one end of transformer T1 primary sides respectively, described double
Double-pole double throw switch S1 the second movable contact connects with voltage-regulator diode ZD1 anode and the other end of transformer T1 primary sides respectively,
One end ground connection of the transformer T1 secondary, the other end of the transformer T1 secondary connect with the first current detection module 9.
During actual use, first voltage conversion module 8, second voltage conversion module 10, tertiary voltage conversion module 12,
Four voltage transformation modules 14, the 5th voltage transformation module 16, the 6th voltage transformation module 18, the 7th voltage transformation module 20 and
The circuit structure of eight voltage transformation modules 22 is identical.Realize transformer T1 with exchanging centrally connected power supply electricity by double-point double-throw switch S1
The connection and shut-off in source 7, voltage-regulator diode ZD1 play a part of voltage stabilizing, when ripple occurs for the voltage of exchange centrally connected power supply power supply 7
It is dynamic, or when other reasons cause each point variation in voltage in circuit, due to voltage-regulator diode ZD1 effect so that transformer T1 two
The voltage at end will be held essentially constant.Transformer T1 plays a part of voltage transformation, and 220 alternating currents are converted into 24V alternating currents,
And serve the effect of security isolation.
As shown in Fig. 2 in the present embodiment, first current detection module 9 includes electric capacity C1, fuse LU1 and electric current
Sensor U1, the other end of the transformer T1 secondary divide two-way, are grounded all the way through electric capacity C1, and another way is with fuse LU1's
One end connects, and the other end of the fuse LU1 connects with current sensor U1, the current sensor U1 and the phase of controller 1
Connect.
During actual use, the first current detection module 9, the second current detection module 11, the 3rd current detection module 13,
Four current detection modules 15, the 5th current detection module 17, the 6th current detection module 19, the 7th current detection module 21 and
The circuit structure of eight current detection modules 23 is identical.Fuse LU1 protective current sensors U1 is not injured by overcurrent, electric current
Sensor U1 plays a part of detecting transformer T1 secondary output currents, and the output current detected is transferred into controller 1.
In the present embodiment, the controller 1 is connected to first serial communication module 4, and the client 6 is connected to and described first
The second serial communication module 5 that serial communication modular 4 is connected and communicated.
When it is implemented, by the input current threshold value of parameter input module 2, pass through the electricity of first voltage conversion module 8, second
Press conversion module 10, tertiary voltage conversion module 12, the 4th voltage transformation module 14, the electricity of the 5th voltage transformation module the 16, the 6th
220 alternating currents are converted to eight road 24V and handed over by pressure conversion module 18, the 7th voltage transformation module 20 and the 8th voltage transformation module 22
Stream power supply, detects the output current of the first voltage conversion module 8 by the first current detection module 9 and will detect current value
Controller 1 is transferred to, the output current of the second voltage conversion module 10 is detected by the second current detection module 11 and incited somebody to action
Detection current value is transferred to controller 1, and the defeated of the tertiary voltage conversion module 12 is detected by the 3rd current detection module 13
Go out electric current and detection current value is transferred to controller 1, the 4th voltage transformation is detected by the 4th current detection module 15
Detection current value is simultaneously transferred to controller 1 by the output current of module 14, and described the is detected by the 5th current detection module 17
Detection current value is simultaneously transferred to controller 1 by the output current of five voltage transformation modules 16, passes through the 6th current detection module 19
Detect the output current of the 6th voltage transformation module 18 and detection current value is transferred to controller 1, pass through the 7th electric current
Detection module 21 detects the output current of the 7th voltage transformation module 20 and detection current value is transferred into controller 1, leads to
The 8th current detection module 23 is crossed to detect the output current of the 8th voltage transformation module 22 and be transferred to detection current value
Controller 1, controller 1 are transferred to client 6 by current value is detected, facilitate staff to check and manage so that staff
The electric power thus supplied of every road video monitoring apparatus can be known in time in client 6.When detection current value is more than current threshold,
Controller 1 sends control command and alarmed to alarm module 3, alarm module 3, reminds staff to check fault in time.
It is described above, only it is embodiment of the present utility model, not the utility model is imposed any restrictions, it is every according to this
Any simple modification, change and the equivalent structure change that utility model technical spirit is made to above example, still fall within
In the protection domain of technical solutions of the utility model.
Claims (5)
- A kind of 1. alternating-current power supply circuit of the video monitoring apparatus with detection function, it is characterised in that：Concentrated including exchange Power supply (7), for will exchange centrally connected power supply power supply (7) be converted to the voltage transformation module of low-tension supply and for voltage Converter unit carries out the current monitoring unit of current detecting, and the voltage transformation module includes first voltage conversion module (8), the Two voltage transformation modules (10), tertiary voltage conversion module (12), the 4th voltage transformation module (14), the 5th voltage transformation module (16), the 6th voltage transformation module (18), the 7th voltage transformation module (20) and the 8th voltage transformation module (22), the electric current Monitoring unit includes controller (1) and the client (6) to be communicated with controller (1), and the input of the controller (1) is terminated with using In detect the first current detection module (9) of first voltage conversion module (8) output current, for detecting second electricity Press second current detection module (11) of conversion module (10) output current, for detecting the tertiary voltage conversion module (12) 3rd current detection module (13) of output current, for detect the 4th voltage transformation module (14) output current the 4th Current detection module (15), the 5th current detection module for detecting the 5th voltage transformation module (16) output current (17), for detecting the 6th current detection module (19) of the 6th voltage transformation module (18) output current, for detecting 7th current detection module (21) of the 7th voltage transformation module (20) output current and for detecting the 8th voltage 8th current detection module (23) of conversion module (22) output current, the output of the controller (1) are terminated with parameter input Module (2) and alarm module (3).
- 2. according to a kind of alternating-current power supply circuit of the video monitoring apparatus with detection function described in claim 1, it is special Sign is：The first voltage conversion module (8) includes double-point double-throw switch S1, voltage-regulator diode ZD1 and transformer T1, described Double-point double-throw switch S1 the first stationary contact connects with exchanging the live wire ACL of centrally connected power supply power supply (7), the double-point double-throw switch S1 the second stationary contact connects with exchanging the zero line ACN of centrally connected power supply power supply (7), and the first of the double-point double-throw switch S1 is dynamic tactile Point connects with voltage-regulator diode ZD1 negative electrode and one end of transformer T1 primary sides respectively, and the second of the double-point double-throw switch S1 Movable contact connects with voltage-regulator diode ZD1 anode and the other end of transformer T1 primary sides respectively, the transformer T1 secondary One end is grounded, and the other end of the transformer T1 secondary connects with the first current detection module (9).
- 3. according to a kind of alternating-current power supply circuit of the video monitoring apparatus with detection function described in claim 1, it is special Sign is：First current detection module (9) includes electric capacity C1, fuse LU1 and current sensor U1, the first voltage The output end of conversion module (8) divides two-way, is grounded all the way through electric capacity C1, and another way connects with fuse LU1 one end, the guarantor The dangerous silk LU1 other end connects with current sensor U1, and the current sensor U1 connects with controller (1).
- 4. according to a kind of alternating-current power supply circuit of the video monitoring apparatus with detection function described in claim 1, it is special Sign is：The controller (1) is connected to first serial communication module (4), and the client (6) is connected to leads to the first serial The second serial communication module (5) that letter module (4) is connected and communicated.
- 5. according to a kind of alternating-current power supply circuit of the video monitoring apparatus with detection function described in claim 1, it is special Sign is：The exchange centrally connected power supply power supply (7) is 220V alternating currents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052516.6U CN207053404U (en) | 2017-08-22 | 2017-08-22 | A kind of alternating-current power supply circuit of the video monitoring apparatus with detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721052516.6U CN207053404U (en) | 2017-08-22 | 2017-08-22 | A kind of alternating-current power supply circuit of the video monitoring apparatus with detection function |
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| Publication Number | Publication Date |
|---|---|
| CN207053404U true CN207053404U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721052516.6U Active CN207053404U (en) | 2017-08-22 | 2017-08-22 | A kind of alternating-current power supply circuit of the video monitoring apparatus with detection function |
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| CN (1) | CN207053404U (en) |
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2017
- 2017-08-22 CN CN201721052516.6U patent/CN207053404U/en active Active
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