CN206350064U - A kind of monitoring camera - Google Patents
A kind of monitoring camera Download PDFInfo
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- CN206350064U CN206350064U CN201621297800.5U CN201621297800U CN206350064U CN 206350064 U CN206350064 U CN 206350064U CN 201621297800 U CN201621297800 U CN 201621297800U CN 206350064 U CN206350064 U CN 206350064U
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Abstract
The utility model discloses a kind of monitoring camera, the component element long period for solving camera is in too high, the too low environment of environment temperature, causes component operation irregularity, so that there is exception in camera imaging, the problem of causing fuzzy pictures, influence monitoring effect, its drip irrigation device is：Installation lid is connected with circuit board, installation, which is covered, is provided with passage, install in lid and temperature-detecting device is installed, also include starter, maximum temperature comparison means, maximum temperature standard apparatus, maximum temperature control device, cooling device, minimum temperature comparison means, minimum temperature standard apparatus, minimum temperature control device, heater, a kind of monitoring camera of the present utility model, it will be cooled when the temperature of the circuit board in camera is too high, when the temperature of the circuit board in camera is too low, heating plate will be heated up, reduce camera and occur exception because of temperature, reduce the situation of fuzzy pictures, improve the effect of monitoring.
Description
Technical field
The utility model is related to a kind of monitoring device, more particularly to a kind of monitoring camera.
Background technology
Camera is also known as camera computer, computer eye, electronic eyes etc., is a kind of video input apparatus, is widely used
In terms of video conference, in real time tele-medicine and monitoring.In monitoring device, camera is to be mainly used to monitor external environment
A kind of equipment.
In the prior art, such as Publication No. CN203368600U Chinese patent, a kind of monitoring camera.The utility model
The monitoring camera provided, which not only has, is used to connecting the power adaptor interface of external power source, but also have simultaneously can be embedding
Enter caulking groove in the battery of battery, and preferentially taken the photograph by a power management chip using the power input of power adaptor interface for monitoring
Powered as the remaining chip of head and switch to the power supply using caulking groove in battery in the power input failure of power adaptor interface
Input to power for the remaining chip of monitoring camera.
Camera needs long-time in running order, is the equipment of extremely important monitoring, and camera is placed on for a long time
Outside, under the wrecking in burning sun and severe winter, is chronically at that environment temperature is too high, the too low component that can cause in camera, because
Cause operation irregularity for temperature change, so that exception occurs in camera imaging, cause fuzzy pictures, influence monitoring effect,
Also room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of monitoring camera, when the temperature of the circuit board in camera is too high just
It can be cooled, when the temperature of the circuit board in camera is too low, heating plate will be heated up, reduce camera because of temperature
Spend and abnormal, the situation of reduction fuzzy pictures occur, improve the effect of monitoring.
Above-mentioned technical purpose of the present utility model technical scheme is that：
It is connected with a kind of monitoring camera, including camera housing, the circuit board that is installed in housing, the circuit board
Lid is installed, the installation, which is covered, is provided with some passages, and the temperature detection fitted with circuit board is provided with the installation lid
Device, in addition to starter, maximum temperature comparison means, maximum temperature standard apparatus, maximum temperature control device, cooling dress
Put, minimum temperature comparison means, minimum temperature standard apparatus, minimum temperature control device, heater；
The cooling device is arranged at the lower end of circuit board and fitted with circuit board, and the cooling device is away from circuit board
Side is provided with the heat sink for being fixedly connected and being fitted with cooling device with camera housing, and the heater is arranged at circuit
The baffle plate for being fixedly connected and being fitted with heater with camera housing is additionally provided with the upper end of plate, the heater；
Starter, for closed temperature detection means, the current supply circuit of circuit board；
Temperature-detecting device, for detecting the temperature physical quantity of circuit board and temperature physical quantity being converted into temperature detection letter
Number；
Maximum temperature comparison means, is coupled to temperature-detecting device to receive temperature detection signal and export maximum temperature ratio
Compared with signal；
Maximum temperature standard apparatus, for providing the maximum temperature reference signal corresponding with the maximum temperature of circuit board extremely
Maximum temperature comparison means；
Maximum temperature control device, is coupled to maximum temperature comparison means to receive maximum temperature comparison signal and export most
High-temperature control signal；
Cooling device, is coupled to maximum temperature control device to receive maximum temperature control signal and in response to maximum temperature
Control signal is cooled down with realizing to circuit board；
Minimum temperature comparison means, is coupled to temperature-detecting device to receive temperature detection signal and export minimum temperature ratio
Compared with signal；
Minimum temperature standard apparatus, for providing the minimum temperature reference signal corresponding with the minimum temperature of circuit board extremely
Minimum temperature comparison means；
Minimum temperature control device, is coupled to minimum temperature comparison means to receive minimum temperature comparison signal and export most
Low temperature control signal；
Heater, is coupled to minimum temperature control device to receive minimum temperature control signal and in response to minimum temperature
Control signal is heated with realizing to circuit board；
It is described when the temperature that the temperature-detecting device detects circuit board is more than the temperature of maximum temperature standard apparatus
Cooling device starts to cool to circuit board；When the temperature that the temperature-detecting device detects circuit board is less than minimum temperature
During the temperature of standard apparatus, the heater starts to heat up to circuit board.
Using such scheme, the temperature-detecting device on circuit board in camera housing is fitted in circuit board, makes temperature
The temperature of detection means detection is more accurate, while carrying out clamping installation by installing lid, and installs the through hole covered and sets, carries
High AC of the temperature-detecting device with the temperature of camera housing, makes the more accurate of temperature detection, cooling device and electricity
Road plate laminating improves the cooling effect to circuit board, while the setting of heat sink, improves spreading by hot property for cooling device,
Heat sink is fixedly connected with camera housing, is dismantled heat sink, and with changing conveniently, device for simultaneous heating is set
Circuit board just on put, directly component will not be influenceed, while when the temperatures cool of circuit board, Ke Yitong
Cross heater to be heated, improve the control to circuit board temperature, and heater is controlled by temperature-detecting device, it is cold
But device is operated, and is controlled the temperature of circuit board.
Preferably, the starter includes the starting switch electricity of the current supply circuit for closed temperature detection means
Road, startup open circuit is coupled to receive supply voltage and realize the first delay circuit of timing closing circuit board current supply circuit.
Using such scheme, starting switch circuit is exactly the circuit of an on-off action in circuit, and the first delay electricity
The setting on road, makes temperature-detecting device first start working, when the temperature of circuit board has been controlled in suitable temperature, circuit board
Starting working, serving the temperature effect for pre-adjusting circuit board, improve the service life of camera.
Preferably, the maximum temperature control device includes being coupled to maximum temperature comparison means to receive maximum temperature
Comparison signal simultaneously exports the maximum temperature on-off circuit of maximum temperature switching signal, is coupled to maximum temperature on-off circuit to receive
Maximum temperature switching signal is to receive maximum temperature switching signal and export maximum temperature control signal to the highest of cooling device
Temperature triggered circuit.
Using such scheme, the circuit of maximum temperature on-off circuit in circuit for an on-off action works as maximum temperature
It will be turned on when maximum temperature comparison signal of the on-off circuit to receive high level, and maximum temperature triggers circuit will
Trigger at once, cooling device is started working, now the temperature of circuit board is too high, it is necessary to which cooling device is carried out to circuit board
Cooling, it is practical.
Preferably, the maximum temperature control device also includes being coupled to maximum temperature on-off circuit to receive the highest temperature
Degree switching signal and the maximum temperature delay circuit for exporting maximum temperature time delayed signal, the maximum temperature triggering device are coupled to
Maximum temperature delay circuit is to receive maximum temperature time delayed signal and export maximum temperature control signal to cooling device.
Using such scheme, the setting of maximum temperature delay circuit makes temperature-detecting device detect after the temperature of circuit board,
It is compared by maximum temperature comparison means and output signal, while after maximum temperature on-off circuit output signal, the highest temperature
Spend delay circuit to start working, only after maximum temperature switching signal is received for a long time, can just trigger maximum temperature
Circuit is triggered, and improves the accuracy of electric circuit inspection.
Preferably, the minimum temperature control device includes being coupled to minimum temperature comparison means to receive minimum temperature
Comparison signal simultaneously exports the minimum temperature on-off circuit of minimum temperature switching signal, is coupled to minimum temperature on-off circuit to receive
Minimum temperature switching signal is minimum to heater to receive minimum temperature switching signal and export minimum temperature control signal
Temperature triggered circuit.
Using such scheme, the circuit of minimum temperature on-off circuit in circuit for an on-off action works as minimum temperature
On-off circuit will be turned on receiving when low level minimum temperature comparison signal, and minimum temperature triggers circuit will
Trigger at once, heater is started working, now the temperature of circuit board is too high, it is necessary to which heater is carried out to circuit board
Heat temperature raising, it is practical.
Preferably, the minimum temperature control device also includes being coupled to minimum temperature on-off circuit to receive lowest temperature
Degree switching signal and the minimum temperature delay circuit for exporting minimum temperature time delayed signal, the minimum temperature triggering device are coupled to
Minimum temperature delay circuit is to receive minimum temperature time delayed signal and export minimum temperature control signal to heater.
Using such scheme, the setting of minimum temperature delay circuit makes temperature-detecting device detect after the temperature of circuit board,
It is compared by minimum temperature comparison means and output signal, while after minimum temperature on-off circuit output signal, lowest temperature
Spend delay circuit to start working, only after minimum temperature switching signal is received for a long time, can just trigger minimum temperature
Circuit is triggered, and improves the accuracy of electric circuit inspection.
Preferably, the maximum temperature control device is also coupled to the work shape for detecting maximum temperature control device
First instruction device of state.
Using such scheme, the setting of the first instruction device is indicated the working condition of maximum temperature control device,
Staff can understand the working condition of maximum temperature control device by the first instruction device.When circuit malfunctions,
Maintenance personal can carry out preliminary according to the instruction situation of the first instruction device to the working condition of maximum temperature control device
Judge, improve the maintenance efficiency of maintenance personal.
Preferably, the minimum temperature control device is also coupled to the work shape for detecting minimum temperature control device
Second instruction device of state.
Using such scheme, the setting of the second instruction device is indicated the working condition of minimum temperature control device,
Staff can understand the working condition of minimum temperature control device by the second instruction device.When circuit malfunctions,
Maintenance personal can carry out preliminary according to the instruction situation of the second instruction device to the working condition of minimum temperature control device
Judge, the maintenance efficiency for having carried maintenance personal low.
Preferably, the cooling device includes being coupled to maximum temperature control device to receive maximum temperature control signal
And export cooling switching signal cooling on-off circuit, be coupled to cooling on-off circuit with receive cooling switching signal and in response to
Switching signal is cooled down to realize the semiconductor chilling plate of cooling circuit board.
Using such scheme, cooling on-off circuit is in circuit as the circuit of on-off action, when maximum temperature controls to fill
Put after output maximum temperature control signal, cooling on-off circuit will be turned at once, fast response time, while and semiconductor refrigerating
Piece is corresponded, and reduces the extraneous interference to semiconductor chilling plate.
Preferably, the heater includes being coupled to minimum temperature control device to receive minimum temperature control signal
And export the heater switch circuit of heater switch signal, be coupled to heater switch circuit with receive heater switch signal and in response to
Heater switch signal is to realize the heating wire of heater circuit plate.
Using such scheme, on-off circuit is added in circuit as the circuit of on-off action, when minimum temperature controls to fill
Put after output minimum temperature control signal, heater switch circuit will be turned at once, fast response time, while with heating wire one by one
Correspondence, reduces the interference of outer bound pair electric heating extremely.
In summary, the utility model has the advantages that：
1st, the temperature of the circuit board in camera is adjusted, is heated and is cooled down automatically, reduces camera because of temperature
And there is abnormal, the situation of reduction fuzzy pictures, improve the effect of monitoring；
2nd, the first instruction device, the setting of the second instruction device, make maximum temperature control device, minimum temperature control device
Indicated, can clearly represent working condition.
Brief description of the drawings
Fig. 1 is the scheme of installation of camera；
Fig. 2 is the sectional view of camera；
Fig. 3 is the circuit theory diagrams of starter in the present embodiment；
Fig. 4 is maximum temperature comparison means, maximum temperature standard apparatus, maximum temperature control device, the in the present embodiment
The circuit connection diagram of one instruction device, cooling device；
Fig. 5 is minimum temperature comparison means, minimum temperature standard apparatus, minimum temperature control device, the in the present embodiment
The circuit connection diagram of two instruction devices, heater.
In figure：1st, camera housing；2nd, circuit board；The 3rd, lid is installed；4th, passage；5th, temperature-detecting device；6th, dress is started
Put；7th, maximum temperature comparison means；8th, maximum temperature standard apparatus；9th, maximum temperature control device；10th, cooling device；11st, most
Low temperature comparison means；12nd, minimum temperature standard apparatus；13rd, minimum temperature control device；14th, heater；15th, heat sink；
16th, baffle plate；17th, starting switch circuit；18th, the first delay circuit；19th, maximum temperature on-off circuit；20th, maximum temperature triggering electricity
Road；21st, maximum temperature delay circuit；22nd, minimum temperature on-off circuit；23rd, minimum temperature triggers circuit；24th, minimum temperature is prolonged
When circuit；25th, the first instruction device；26th, the second instruction device；27th, on-off circuit is cooled down；28th, semiconductor chilling plate；29th, add
Thermal switch circuit；30th, heating wire；31st, pillar.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, 2, a kind of monitoring camera disclosed in the present embodiment, monitoring camera is arranged on pillar 31, prison
Control camera includes being provided with some components on camera housing 1, the circuit board 2 being installed in housing, circuit board 2.
As shown in Fig. 2 the lower end of camera housing 1 is provided with heat sink 15, heat sink 15 is made up of metal, and heat sink
15 with the clamping of camera housing 1, semiconductor chilling plate 28, semiconductor chilling plate 28 are bonded with by heat conductive silica gel on heat sink 15
Model TEC1-12730T125, semiconductor chilling plate 28 do not need any refrigerant, can continuously work, and no pollution sources do not have
Have rotary part, gyroscopic action will not be produced, no slide unit is a kind of solid sheet, do not shaken during work, noise, the longevity
Life length, installs easy.Semiconductor chilling plate 28 is electric current transducing matrix part, by the control of input current, and high accuracy can be achieved
Temperature control.The thermal inertia of semiconductor chilling plate 28 is very small, freezes, heats the time quickly, empty in the good cold end of hot-side heat dissipation
In the case of load, it is powered less than one minute, cooling piece is with regard to that can reach maximum temperature difference.The temperature range of semiconductor chilling plate 28, from
Positive 90 DEG C of temperature can be realized for 130 DEG C to negative temperature.And the colling end of semiconductor chilling plate 28 passes through heat conductive silica gel with circuit board 2
Bonding, heating end and the heat sink 15 of semiconductor chilling plate 28 bind, and improve radiating efficiency.Circuit board 2, semiconductor chilling plate
28th, heat sink 15 is bolted to connection to camera housing 1.
As shown in Fig. 2 temperature-detecting device 5 is arranged at the upper end of circuit board 2 and fitted with circuit board 2, by installing lid 3
Clamping is carried out with circuit board 2, installs and is provided with some circular passages 4 on lid 3.
It is connected as shown in Fig. 2 heating wire 30 is arranged at the upper end of circuit board 2 and contradicted with camera housing 1, heating wire 30
For the silk thread of resistance heating, heating wire 30 is fixed by baffle plate 16, and baffle plate 16 is matched somebody with somebody with camera housing 1 by bolt thread
Close, and baffle plate 16 supports for metal.
As shown in figure 3, be provided with LED 1 on circuit board 2, starter 6 include starting switch circuit 17,
First delay circuit 18, starting switch circuit 17 is switch S, and the first delay circuit 18 is time relay KT1.Circuit board 2
One end is connected with the negative electrode of LED 1, and the anode of light emitting diode is connected with power supply VCC, the other end of circuit board 2
It is connected with time relay normally opened contact KT1-1 one end, the time relay normally opened contact KT1-1 other end and ground GND connect
Connect.Power supply VCC one end is connected with switching S one end, and the switch S other end is connected with time relay KT1 one end.
As shown in figure 3, temperature-detecting device 5 includes resistance RT, resistance R4, resistance R4 is divider resistance, and resistance RT is just
The resistance of thermistor and model the MF58 series of temperature coefficient, the time relay KT1 other end and resistance RT one end
Connection, the resistance RT other end is connected with resistance R4 one end, and the resistance R4 other end is connected with ground GND.
As shown in Figure 3,4, maximum temperature comparison means 7 is comparator N1, comparator N1 model LM324, the highest temperature
Spending standard apparatus 8 includes resistance R1, resistance R2, resistance R3.Comparator N1 inverting input and resistance RT, resistance R4 connection
Point connection, the in-phase input end of comparator is connected with resistance R3 one end, resistance R3 other end one end respectively with resistance R1,
Resistance R2 one end connection, the resistance R1 other end is connected with power supply VCC, and the resistance R2 other end is connected with ground GND.
As shown in figure 4, maximum temperature control device 9 include maximum temperature on-off circuit 19, maximum temperature delay circuit 21,
Maximum temperature triggers circuit 20 is constituted, maximum temperature on-off circuit 19 be triode Q1, triode Q1 for NPN type triode and
Model 2SC4019, maximum temperature delay circuit 21 is time relay KT2, and maximum temperature triggers circuit 20 is relay
KM1, the first instruction device 25 is Light-Emitting Diode LED2.Comparator N1 output end is connected with triode Q1 base stage, three poles
Pipe Q1 emitter stage is connected with ground GND, and triode Q1 colelctor electrode is connected with time relay KT2 one end, the time relay
The KT2 other end is connected with the negative electrode of LED 2, and the anode of LED 2 is connected with power supply VCC, the time
Relay normally open contact KT2-1 one end is connected with power supply VCC, the time relay normally opened contact KT2-1 other end and relay
Device KM1 one end connection, the relay KM1 other end is connected with ground GND.
As shown in figure 4, cooling device 10 includes cooling on-off circuit 27, semiconductor chilling plate 28, on-off circuit 27 is cooled down
Including resistance R5, triode Q2, triode Q2 is the triode and model 2SC4019, relay normally open contact KM1- of NPN type
1 one end is connected with power supply VCC one end, and the relay normally open contact KM1-1 other end is connected with resistance R5 one end, resistance
The R5 other end is connected with triode Q2 base stage, and triode Q2 emitter stage be connected with ground GND, triode Q2 colelctor electrode and
One end connection of semiconductor chilling plate 28, the other end of semiconductor chilling plate 28 is connected with power supply VCC.
As shown in Fig. 3,5, minimum temperature comparison means 11 is comparator N2, comparator N2 model LM324, lowest temperature
Spending standard apparatus 12 includes resistance R6, resistance R7, resistance R7.Comparator N2 in-phase input end and resistance R4, resistance RT company
Contact is connected, and comparator N2 inverting input is connected with resistance R6 one end, and the resistance R6 other end is respectively with resistance R7's
One end, resistance R8 one end connection, the resistance R7 other end are connected with power supply VCC, and the resistance R8 other end is connected with ground GND.
As shown in figure 5, minimum temperature control device 13 includes minimum temperature on-off circuit 22, minimum temperature delay circuit
24th, minimum temperature triggers circuit 23.Minimum temperature on-off circuit 22 be triode Q3, triode Q3 for NPN type triode and
Model 2SC4019, minimum temperature delay circuit 24 is time relay KT3, and minimum temperature triggers circuit 23 is relay
KM2, the second instruction device 26 is LED 3.Comparator N2 output end is connected with triode Q3 base stage, three poles
Pipe Q3 emitter stage is connected with ground GND, and triode Q3 colelctor electrode is connected with time relay KT3 one end, the time relay
The KT3 other end is connected with the negative electrode of LED 3, and the anode of LED 3 is connected with power supply VCC, the time
Relay normally open contact KT3-1 one end is connected with power supply VCC, the time relay normally opened contact KT3-1 other end and relay
Device KM2 one end connection, the relay KM2 other end is connected with ground GND.
As shown in figure 5, heater 14 includes heater switch circuit 29, heating wire 30.Heater switch circuit 29 includes electricity
R9, triode Q4 are hindered, triode Q4 is the triode and model 2SC4019, the one of relay normally open contact KM2-1 of NPN type
End is connected with power supply VCC one end, and the relay normally open contact KM2-1 other end is connected with resistance R9 one end, resistance R9's
The other end is connected with triode Q4 base stage, and triode Q4 emitter stage is connected with ground GND, triode Q4 colelctor electrode and heating
One end connection of silk, the other end of heater strip is connected with power supply VCC.
The course of work：
1st, after S closures are switched, temperature-detecting device 5 obtains electric, and resistance RT is detected to the temperature of circuit board 2, simultaneously
Time relay KT1 obtains electric, trigger, now circuit board 2 must not electricity, Light-Emitting Diode LED1 do not work；
2nd, when the temperature of circuit board 2 is higher than maximum temperature, the maximum temperature comparison signal of comparator N1 output high level,
Comparator N2 exports low level minimum temperature comparison signal；
3rd, now, triode Q1 base stage receives the maximum temperature comparison signal conducting of high level, time relay KT2
Obtain electric, LED 2 starts to light, after delay a period of time, relay normally open contact KT2-1 closures, relay KM1
Obtain electric, relay normally open contact KM1-1 closures, triode Q2 base stage is received to be turned on after high level, now semiconductor refrigerating
Piece 28 is started working, and circuit board 2 is cooled.And triode Q3 base stage receives low level minimum temperature comparison signal
It is not turned on, time relay KT3 must not be electric, and LED 3 does not light, and relay normally open contact KT3-1 dead electricity disconnects,
Relay KM2 must not be electric, and relay normally open contact KM1-1 dead electricity is disconnected, and triode Q2 base stage is received not to be led after low level
Logical, now heating wire 30 does not work；
4th, after time relay KT1 delays terminate, the normally opened contact KT1-1 closures of the time relay, circuit board 2 starts
Work, LED 1 starts luminous instruction；
5th, when the temperature of circuit board 2 is less than minimum temperature, the comparator N1 low level maximum temperature comparison signal of output,
Comparator N2 exports the minimum temperature comparison signal of high level；
6th, now, triode Q1 base stage receives low level maximum temperature comparison signal and is not turned on, the time relay
KT2 must not be electric, and LED 2 does not light, and relay normally open contact KT2-1 dead electricity disconnects, and relay KM1 must not be electric, after
Electrical equipment normally opened contact KM1-1 dead electricity is disconnected, and triode Q2 base stage is received to be not turned on after low level, now semiconductor chilling plate
28 do not work.And triode Q3 base stage is turned on after receiving the minimum temperature comparison signal of high level, time relay KT3 is obtained
Electricity, LED 3 lights, after delay a period of time, and relay normally open contact KT3-1 closures, relay KM2 obtains electric, after
Electrical equipment normally opened contact KM1-1 is closed, and triode Q2 base stage is received to be turned on after high level, and now heating wire 30 works, to electricity
Road plate 2 just heat；
7th, when the temperature of circuit board 2 is less than maximum temperature, and the temperature of circuit board 2 is higher than minimum temperature, comparator N1 output
Low level maximum temperature comparison signal, comparator N2 exports low level minimum temperature comparison signal
8th, now, triode Q1 base stage receives low level maximum temperature comparison signal and is not turned on, the time relay
KT2 must not be electric, and LED 2 does not light, and relay normally open contact KT2-1 dead electricity disconnects, and relay KM1 must not be electric, after
Electrical equipment normally opened contact KM1-1 dead electricity is disconnected, and triode Q2 base stage is received to be not turned on after low level, now semiconductor chilling plate
28 do not work.And triode Q3 base stage receives low level minimum temperature comparison signal and is not turned on, time relay KT3 is not
Obtain electric, LED 3 does not light, relay normally open contact KT3-1 dead electricity disconnects, relay KM2 must not electricity, relay
Normally opened contact KM1-1 dead electricity is disconnected, and triode Q2 base stage is received to be not turned on after low level, and now heating wire 30 does not work,
The temperature of circuit board 2 is normal.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (10)
1. a kind of monitoring camera, including camera housing (1), the circuit board (2) that is installed in housing, it is characterized in that：It is described
Installation lid (3) is connected with circuit board (2), described install is provided with some passages (4) on lid (3), described to install in lid (3)
The temperature-detecting device (5) fitted with circuit board (2) is installed, in addition to starter (6), maximum temperature comparison means (7),
Maximum temperature standard apparatus (8), maximum temperature control device (9), cooling device (10), minimum temperature comparison means (11), most
Low temperature standard apparatus (12), minimum temperature control device (13), heater (14)；
The cooling device (10) is arranged at the lower end of circuit board (2) and fitted with circuit board (2), and the cooling device (10) is remote
Side from circuit board (2) is provided with the heat sink that is fixedly connected and is fitted with cooling device (10) with camera housing (1)
(15), the heater (14) is arranged on the upper end of circuit board (2), the heater (14) and is additionally provided with and camera
The baffle plate (16) that housing (1) is fixedly connected and fitted with heater (14)；
Starter (6), for closed temperature detection means (5), the current supply circuit of circuit board (2)；
Temperature-detecting device (5), for detecting the temperature physical quantity of circuit board (2) and temperature physical quantity being converted into temperature detection
Signal；
Maximum temperature comparison means (7), is coupled to temperature-detecting device (5) to receive temperature detection signal and export maximum temperature
Comparison signal；
Maximum temperature standard apparatus (8), for providing the maximum temperature reference signal corresponding with the maximum temperature of circuit board (2)
To maximum temperature comparison means (7)；
Maximum temperature control device (9), is coupled to maximum temperature comparison means (7) to receive maximum temperature comparison signal and export
Maximum temperature control signal；
Cooling device (10), is coupled to maximum temperature control device (9) to receive maximum temperature control signal and in response to highest
Temperature control signals are cooled down with realizing to circuit board (2)；
Minimum temperature comparison means (11), is coupled to temperature-detecting device (5) to receive temperature detection signal and export lowest temperature
Spend comparison signal；
Minimum temperature standard apparatus (12), the minimum temperature benchmark letter corresponding with the minimum temperature of circuit board (2) for providing
Number to minimum temperature comparison means (11)；
Minimum temperature control device (13), is coupled to minimum temperature comparison means (11) to receive minimum temperature comparison signal and defeated
Go out minimum temperature control signal；
Heater (14), is coupled to minimum temperature control device (13) to receive minimum temperature control signal and in response to minimum
Temperature control signals are heated with realizing to circuit board (2)；
When the temperature that the temperature-detecting device (5) detects circuit board (2) is more than the temperature of maximum temperature standard apparatus (8)
When, the cooling device (10) starts to cool to circuit board (2)；When the temperature-detecting device (5) detects circuit board
(2) when temperature is less than the temperature of minimum temperature standard apparatus (12), the heater (14) starts to carry out circuit board (2)
Heating.
2. a kind of monitoring camera according to claim 1, it is characterized in that：The starter (6) includes being used to close
The starting switch circuit (17) of the current supply circuit of temperature-detecting device (5), startup open circuit is coupled to receive supply voltage simultaneously
Realize first delay circuit (18) of timing closing circuit board (2) current supply circuit.
3. a kind of monitoring camera according to claim 1, it is characterized in that：The maximum temperature control device (9) includes
Maximum temperature comparison means (7) is coupled to receive maximum temperature comparison signal and export the highest temperature of maximum temperature switching signal
Spend on-off circuit (19), be coupled to maximum temperature on-off circuit (19) to receive maximum temperature switching signal to receive maximum temperature
Switching signal simultaneously exports maximum temperature control signal to the maximum temperature triggers circuit (20) of cooling device (10).
4. a kind of monitoring camera according to claim 3, it is characterized in that：The maximum temperature control device (9) is also wrapped
Include and be coupled to maximum temperature on-off circuit (19) to receive maximum temperature switching signal and export maximum temperature time delayed signal most
High-temperature delay circuit (21), the maximum temperature triggering device is coupled to maximum temperature delay circuit (21) to receive the highest temperature
Degree time delayed signal simultaneously exports maximum temperature control signal to cooling device (10).
5. a kind of monitoring camera according to claim 1, it is characterized in that：The minimum temperature control device (13) includes
Minimum temperature comparison means (11) is coupled to receive minimum temperature comparison signal and export the minimum of minimum temperature switching signal
Temperature switch circuit (22), it is coupled to minimum temperature on-off circuit (22) to receive minimum temperature switching signal to receive lowest temperature
Degree switching signal simultaneously exports minimum temperature control signal to the minimum temperature triggers circuit (23) of heater (14).
6. a kind of monitoring camera according to claim 5, it is characterized in that：The minimum temperature control device (13) is also wrapped
Include and be coupled to minimum temperature on-off circuit (22) to receive minimum temperature switching signal and export minimum temperature time delayed signal most
Low temperature delay circuit (24), the minimum temperature triggering device is coupled to minimum temperature delay circuit (24) to receive lowest temperature
Degree time delayed signal simultaneously exports minimum temperature control signal to heater (14).
7. a kind of monitoring camera according to claim 1, it is characterized in that：The maximum temperature control device (9) goes back coupling
It is connected to the first instruction device (25) of the working condition for detecting maximum temperature control device (9).
8. a kind of monitoring camera according to claim 1, it is characterized in that：The minimum temperature control device (13) goes back coupling
It is connected to the second instruction device (26) of the working condition for detecting minimum temperature control device (13).
9. a kind of monitoring camera according to claim 1, it is characterized in that：The cooling device (10) includes being coupled to most
High-temperature control device (9) with receive maximum temperature control signal and export cooling switching signal cooling on-off circuit (27),
Cooling on-off circuit (27) is coupled to receive cooling switching signal and in response to cooling switching signal to realize cooling circuit board
(2) semiconductor chilling plate (28).
10. a kind of monitoring camera according to claim 1, it is characterized in that：The heater (14) includes being coupled to
Minimum temperature control device (13) is to receive minimum temperature control signal and export the heater switch circuit of heater switch signal
(29) heater switch circuit (29), is coupled to receive heater switch signal and heat electricity in response to heater switch signal to realize
The heating wire (30) of road plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621297800.5U CN206350064U (en) | 2016-11-30 | 2016-11-30 | A kind of monitoring camera |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621297800.5U CN206350064U (en) | 2016-11-30 | 2016-11-30 | A kind of monitoring camera |
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| CN206350064U true CN206350064U (en) | 2017-07-21 |
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| CN201621297800.5U Expired - Fee Related CN206350064U (en) | 2016-11-30 | 2016-11-30 | A kind of monitoring camera |
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| CN (1) | CN206350064U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277337A (en) * | 2017-08-09 | 2017-10-20 | 重庆万建电子工程有限责任公司重庆第分公司 | A kind of video camera |
| CN109143738A (en) * | 2018-08-23 | 2019-01-04 | 杭州华耕土地规划设计咨询有限公司 | A kind of rotary canted shot device |
| CN109688312A (en) * | 2019-01-14 | 2019-04-26 | 刘玉婷 | A kind of intelligent security-protecting and monitoring camera |
| CN116339278A (en) * | 2022-11-24 | 2023-06-27 | 威凯检测技术有限公司 | Intelligent kitchen electric circuit control board detection system and evaluation method |
-
2016
- 2016-11-30 CN CN201621297800.5U patent/CN206350064U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277337A (en) * | 2017-08-09 | 2017-10-20 | 重庆万建电子工程有限责任公司重庆第分公司 | A kind of video camera |
| CN109143738A (en) * | 2018-08-23 | 2019-01-04 | 杭州华耕土地规划设计咨询有限公司 | A kind of rotary canted shot device |
| CN109688312A (en) * | 2019-01-14 | 2019-04-26 | 刘玉婷 | A kind of intelligent security-protecting and monitoring camera |
| CN109688312B (en) * | 2019-01-14 | 2021-01-19 | 安徽沧浪网络科技有限公司 | Intelligent security monitoring camera |
| CN116339278A (en) * | 2022-11-24 | 2023-06-27 | 威凯检测技术有限公司 | Intelligent kitchen electric circuit control board detection system and evaluation method |
| CN116339278B (en) * | 2022-11-24 | 2023-12-12 | 威凯检测技术有限公司 | Intelligent kitchen electric circuit control board detection system and evaluation method |
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